特性
- 支持 TrustZone 的 80MHz Arm Cortex-M33
- 支持 BGO 的 512KB 双区块闪存
- 支持 32KB 奇偶校验和 32KB ECC 的 64KB SRAM
- 8KB 数据闪存
- 168µA/MHz 工作电流、1.65µA 待机电流
- 3.5µS 内快速唤醒（从 MOCO）
- 6 个 SCI 多功能串口（UART、简单 SPI、简单 I2C）
- 2 个支持 32kHz 的低功耗 UART 接口
- 独立SPI/I2C 多主接口
- I3C 接口
- USB 2.0 FS
- CAN FD
- 支持 XIP 的四线 SPI
- 32 位和 16 位定时器，32 位超低功耗定时器
- 2 x 看门狗定时器
- 实时时钟 (RTC)
- 12 位 ADC 和 12 位 DAC
- 低功耗模拟比较器
- 温度传感器
- 8 x 48 段码 LCD 驱动器
- 12 通道电容式触摸
- 串行音频接口 (SSI)
- 高级安全引擎支持：TRNG、唯一 ID、AES、ECC、SHA
RA4L1 Block Diagram
描述
瑞萨电子 RA4L1 MCU 产品组，低功耗 32 位微控制器 (MCU)，基于支持 TrustZone® 的 Arm® Cortex®-M33 (CM33) 内核，实现了低工作电压、低功耗与高性能的理想平衡。 RA4L1 的工作电压低至 1.6V，待机电流低至 1.65µA，并具有多种低功耗功能，用户能够根据应用要求来动态优化功耗/性能。
RA4L1 MCU 具有低功耗功能，例如段码 LCD 显示驱动器和高级安全引擎，以及 RTC、ADC 和定时器。 此 MCU 集成了 CAN FD、USB 2.0 FS（无需外部晶振）、I2C/I3C 和低功耗 UART 等通信接口，因此非常适合用于工业自动化、家电、智能家居、消费品、楼宇/家居自动化和医疗/保健应用。
RA4L1 提供一系列标准 LQFP 和 QFN 封装选项，以及多种节省尺寸的 BGA 和 CSP 选项，可支持 -40 到 125 °C 的工作温度。 RA4L1 MCU 提供瑞萨电子灵活软件包 (FSP) 和一整套软硬件开发工具的全面支持。
产品参数
| 属性 | 值 |
|---|---|
| Main CPU | Arm Cortex-M33 |
| Program Memory (KB) | 256, 512 |
| RAM (KB) | 64 |
| Carrier Type | Full Carton (Tray), Full Tray (Tray), Tape & Reel |
| Supply Voltage (V) | 1.6 - 3.6 |
| I/O Ports | 37, 51, 55, 56, 85 |
| DRAM I/F | No |
| Temp. Range (°C) | Ta = -40 to +105, Ta= -40 to +125, Ta = -40 to +125, Tj= -40 to +125 |
| Operating Freq (Max) (MHz) | 80 |
| Ethernet speed | No |
| EtherCat (ch) (#) | 0 |
| USB FS (host ch/device ch) | ( 1 / 1 ) |
| USB HS (host ch/device ch) | ( 0 / 0 ) |
| USB SS (host ch/device ch) | ( 0 / 0 ) |
| SCI or UART (ch) | 6 |
| SPI (ch) | 1 |
| I2C (#) | 1 |
| CAN (ch) | 0 |
| CAN-FD (ch) | 1 |
| Wireless | No |
| SDHI (ch) | 0 |
| High Resolution Output Timer | No |
| PWM Output (pin#) | 12 |
| 32-Bit Timer (ch) | 4 |
| 16-Bit Timer (ch) (#) | 4 |
| Standby operable timer | Yes |
| Asynchronous General Purpose Timer / Interval Timer (ch) | 2 |
| 16-Bit A/D Converter (ch) | 0 |
| 14-Bit A/D Converter (ch) | 0 |
| 12-Bit A/D Converter (ch) | 10, 12, 13, 16 |
| 24-Bit Sigma-Delta A/D Converter (ch) | 0 |
| 12-Bit D/A Converter (ch) | 1 |
| 8-Bit D/A Converter (ch) | 0 |
| Capacitive Touch Sensing Unit (ch) | 8, 9, 12 |
| Image Codec | No |
| Segment LCD Controller | Yes |
| Security & Encryption | Unique ID, TRNG, AES256, ECC256, SHA256 |
产品对比
| RA4L1 | RA4M3 | |
| Supply Voltage | 1.6 - 3.6 | 2.7 - 3.6 |
| Temp. Range (°C) | Ta = -40 to +105, Ta= -40 to +125, Ta = -40 to +125, Tj= -40 to +125 | Ta= -40 to +85, Ta=-40 to +105 |
| Pkg. Type | CSP, HWQFN, LFBGA, LQFP, QFN | LFBGA, LQFP |
| Segment LCD Controller | Yes | No |
| CAN-FD (ch) | 1 | 0 |
| I3C (ch) | 1 | 0 |
应用方框图
 | 中端温控器 支持 Wi‑Fi、集成传感器和智能家居连接功能的中端温控器，提升舒适度与能效。 |
 | 低成本温控器 经过成本优化的温控器设计，提供直观的操作体验，并灵活支持常见的 UI 元件、传感器和 HVAC 控制。 |
 | 适用于电梯和 HMI 的金属电容式触摸屏（集成 NFC 功能） 电梯控制系统采用时尚流畅的金属电容式触摸屏，结合 CAN FD 可靠通信与 NFC 安全验证，打造高端、安全、用户友好的体验。 |
 | 无线肺量计 无线肺量计可追踪肺部健康指标，并具有蓝牙/Wi-Fi 连接和 NFC 充电功能。 |
 | 符合 CSA Aliro 标准的中端智能锁 这款智能门锁平台专为支持 Aliro 标准而设计，在提供安全访问的同时，实现优化的功耗表现。 |
其他应用
- 电器、小型电器、家电
- 智能家居和楼宇自动化：门禁系统、内部通话系统、恒温器、安全面板、警报传感器、智能锁、语音识别
- 办公自动化：资产管理、打印机、二维码读取器、指纹扫描器
- 医疗保健：心率监测仪、血糖仪、血氧仪、血压监护仪
- 人工智能语音识别应用
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RL78/L12
Compact LCD Microcontrollers with Low Power Consumption, Suitable for Small Appliances and Healthcare Devices
数据手册
| 器件号 | 状态 | 样品 | Longevity | 库存 | 封装 | 预算价格（美元） | Carrier Type | Family Name | Series Name | Group Name | CPU Architecture | Main CPU | Sub CPU | Floating Point Unit | Bit Length | Program Memory (KB) | Data Flash (KB) | RAM (KB) | ECC SRAM | Lead Count (#) | Pitch (mm) | Pkg. Dimensions (mm) | Number of Supply Voltage(s) (#) | Supply Voltage (V) | I/O Ports | DMAC or DTC | DMA (ch) | Temperature Sensor (ch) (#) | Power-On Reset | Watchdog Timer (ch) | External Memory Bus (bit) | DRAM I/F | 3D GPU | Accelerator | MOQ | Temp. Range (°C) | External Interrupt Pins (#) | LVD or PVD | Operating Freq (Max) (MHz) | Sub-clock (32.768 kHz) | On-chip Oscillator | Ethernet speed | Ethernet (ch) | EtherCat (ch) (#) | USB Ports (#) | USB FS (host ch/device ch) | USB HS (host ch/device ch) | USB SS (host ch/device ch) | PCI Express (generation and ch) | SCI or UART (ch) | SPI (ch) | QSPI (ch) | OSPI (ch) | I2C (#) | I3C (ch) | CAN (ch) | CAN-FD (ch) | Wireless | IrDA | LIN (#) | SDHI (ch) | High Resolution Output Timer | PWM Output (pin#) | 32-Bit Timer (ch) | 16-Bit Timer (ch) (#) | 8-Bit Timer (ch) | Standby operable timer | Asynchronous General Purpose Timer / Interval Timer (ch) | RTC | 16-Bit A/D Converter (ch) | 14-Bit A/D Converter (ch) | 12-Bit A/D Converter (ch) | 10-Bit A/D Converter (ch) | 24-Bit Sigma-Delta A/D Converter (ch) | 16-Bit D/A Converter (ch) | 12-Bit D/A Converter (ch) | 10-Bit D/A Converter (ch) (#) | 8-Bit D/A Converter (ch) | Analog Comparator (ch) | OPAMP (ch) (#) | PGA (ch) | Capacitive Touch Sensing Unit (ch) | Graphics LCD Controller | MIPI Interfaces (DSI) (ch) | MIPI Interfaces (CSI) (ch) | Camera I/F (Parallel) | Image Codec | 2D Drawing Engine | Segment LCD Controller | SSI (ch) | Security & Encryption | Debug Interface | Moisture Sensitivity Level (MSL) | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R7FA4L1BB3CAG#BC0 | Active | N/A | TBD | 缺货 | LFBGA | 1ku | $2.75 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 256KB | 8KB | 64KB | Yes | 100# | 0.5mm | 7 x 7 x 1.3 | 1# | 1.6 - 3.6 | 85 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 2080 | Ta = -40 to +105 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 12 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | TAIWAN | JAPAN |
| R7FA4L1BB3CAH#BC0 | Active | N/A | TBD | 缺货 | LFBGA | 1ku | $2.53 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 256KB | 8KB | 64KB | Yes | 64# | 0.65mm | 5.5 x 5.5 x 1.4 | 1# | 1.6 - 3.6 | 55 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 3328 | Ta = -40 to +105 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 12 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 8 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | TAIWAN | JAPAN |
| R7FA4L1BB4CFL#BA0 | Active | N/A | TBD | 缺货 | LFQFP | 1ku | $2.23 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 256KB | 8KB | 64KB | Yes | 48# | 0.5mm | 7 x 7 x 1.7 | 1# | 1.6 - 3.6 | 37 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 2000 | Ta= -40 to +125 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 10 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 8 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | CHINA | JAPAN |
| R7FA4L1BB4CFM#BA0 | Active | N/A | TBD | 缺货 | LFQFP | 1ku | $2.53 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 256KB | 8KB | 64KB | Yes | 64# | 0.5mm | 10 x 10 x 1.7 | 1# | 1.6 - 3.6 | 51 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 1280 | Ta= -40 to +125 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 12 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 8 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | CHINA | JAPAN |
| R7FA4L1BB4CFP#BA0 | Active | N/A | TBD | 缺货 | LFQFP | 1ku | $2.75 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 256KB | 8KB | 64KB | Yes | 100# | 0.5mm | 14 x 14 x 1.7 | 1# | 1.6 - 3.6 | 85 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 720 | Ta= -40 to +125 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 12 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | CHINA | JAPAN |
| R7FA4L1BB4CNE#BA0 | Active | N/A | TBD | 缺货 | HWQFN | 1ku | $2.23 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 256KB | 8KB | 64KB | Yes | 48# | 0.5mm | 7 x 7 x 0.8 | 1# | 1.6 - 3.6 | 37 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 3328 | Ta= -40 to +125 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 10 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 8 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | TAIWAN | JAPAN |
| R7FA4L1BD3CAG#BC0 | Active | Available | TBD | 缺货 | LFBGA | 1ku | $3.26 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 512KB | 8KB | 64KB | Yes | 100# | 0.5mm | 7 x 7 x 1.3 | 1# | 1.6 - 3.6 | 85 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 2080 | Ta = -40 to +105 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 12 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | TAIWAN | JAPAN |
| R7FA4L1BD3CAH#BC0 | Active | Available | TBD | 有库存 | LFBGA | 1ku | $3.04 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 512KB | 8KB | 64KB | Yes | 64# | 0.65mm | 5.5 x 5.5 x 1.4 | 1# | 1.6 - 3.6 | 55 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 3328 | Ta = -40 to +105 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 12 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 8 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | TAIWAN | JAPAN |
| R7FA4L1BD4CFL#BA0 | Active | Available | TBD | 缺货 | LFQFP | 1ku | $2.75 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 512KB | 8KB | 64KB | Yes | 48# | 0.5mm | 7 x 7 x 1.7 | 1# | 1.6 - 3.6 | 37 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 2000 | Ta= -40 to +125 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 10 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 8 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | CHINA | JAPAN |
| R7FA4L1BD4CFM#BA0 | Active | Available | TBD | 缺货 | LFQFP | 1ku | $3.04 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 512KB | 8KB | 64KB | Yes | 64# | 0.5mm | 10 x 10 x 1.7 | 1# | 1.6 - 3.6 | 51 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 1280 | Ta= -40 to +125 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 12 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 8 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | CHINA | JAPAN |
| R7FA4L1BD4CFP#BA0 | Active | Available | TBD | 缺货 | LFQFP | 1ku | $3.26 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 512KB | 8KB | 64KB | Yes | 100# | 0.5mm | 14 x 14 x 1.7 | 1# | 1.6 - 3.6 | 85 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 720 | Ta= -40 to +125 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 12 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | CHINA | JAPAN |
| R7FA4L1BD4CFP#UA0 | Active | N/A | 缺货 | LFQFP | Full Tray (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 512KB | 8KB | 64KB | Yes | 100# | 0.5mm | 14 x 14 x 1.7 | 1# | 1.6 - 3.6 | 85 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 90 | Ta= -40 to +125 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 12 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | ||||
| R7FA4L1BD4CNE#BA0 | Active | Available | TBD | 缺货 | HWQFN | 1ku | $2.75 | Full Carton (Tray) | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 512KB | 8KB | 64KB | Yes | 48# | 0.5mm | 7 x 7 x 0.8 | 1# | 1.6 - 3.6 | 37 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 3328 | Ta = -40 to +125 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 10 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 8 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 3 | TAIWAN | JAPAN |
| R7FA4L1BB4CDB#HC0 | Preview | N/A | TBD | 缺货 | CSP | 1ku | $2.63 | Tape & Reel | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 256KB | 8KB | 64KB | Yes | 72# | 0.4mm | 3.64 x 4.28 x 0.55 | 1# | 1.6 - 3.6 | 56 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 2000 | Tj= -40 to +125 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 13 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 9 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 1 | KOREA | JAPAN |
| R7FA4L1BD4CDB#HC0 | Preview | N/A | TBD | 缺货 | CSP | 1ku | $3.68 | Tape & Reel | RA | RA4 | RA4L1 | Arm | Arm Cortex-M33 | No | Single | 32 | 512KB | 8KB | 64KB | Yes | 72# | 0.4mm | 3.64 x 4.28 x 0.55 | 1# | 1.6 - 3.6 | 56 | DMAC&DTC | 8 | 1# | Yes | 2 | No | No | No | No | 2000 | Tj= -40 to +125 | 14# | Yes | 80MHz | Yes | Yes | No | 0 | 0 | 1# | ( 1 / 1 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 6 | 1 | 1 | 0 | 1# | 1 | 0 | 1 | No | Yes | 1# | 0 | No | 12 | 4 | 4# | 0 | Yes | 2 | Yes | 0 | 0 | 13 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 9 | No | 0 | 0 | No | No | No | Yes | 1ch | Unique ID, TRNG, AES256, ECC256, SHA256 | SWD | 1 | KOREA | JAPAN |
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RL78/L12
Compact LCD Microcontrollers with Low Power Consumption, Suitable for Small Appliances and Healthcare Devices
数据手册
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- 手册 - 硬件英语RA4L1 Group User's Manual: HardwareRECOMMENDEDThe RA4L1 group is a general-purpose 32-bit MCU equipped with an Arm Cortex-M33 running at 80 MHz, which achieves the ideal balance of low-voltage operation, low power consumption, and high performance, and is also available in a small package lineup, making it suitable for applications that emphasize power saving and miniaturization. The RA4L1 group hardware manual clearly explains low-power modes, analog functions, peripheral control functions, and power supply/pin specifications.
- 数据手册英语RA4L1 Group DatasheetRECOMMENDEDThe RA4L1 group is a general-purpose 32-bit MCU equipped with an Arm Cortex-M33 running at 80MHz, which achieves the ideal balance of low-voltage operation, low power consumption, and high performance, and is also available in a small package lineup, making it suitable for applications that emphasize power saving and miniaturization. This document provides an overview of the product specifications and the electrical characteristics of the RA4L1 group.
- 应用说明英语PDF 3.85 MB R11AN0496EU0230 Rev.2.30 2026年4月29日Learn how Renesas MCU security is built around integrated security engines. The RA family includes various types, which can be identified in each MCU’s hardware manual. These engines operate in two modes: Compatibility and Protected. This application note defines both and outlines their use cases.相关文件：
- 其他英语This document provides supplementary explanations of the peripheral functions chapter of the hardware manual for RA microcontrollers based on frequently asked questions.相关文件：
- 其他英语This document provides supplementary explanations of the electrical characteristics chapter of the hardware manual for RA microcontrollers based on frequently asked questions.相关文件：
- 应用说明英语PDF 668 KB R20AN0787EU0111 Rev.1.11 2026年4月09日The EK-RA4L1 example project bundle demonstrates how to write code for various Renesas Flexible Software Package (FSP) modules supported by the EK-RA4L1 kit. It includes multiple example projects that highlight peripheral usage and system functionality, while leveraging the optimized, scalable, and high‑quality FSP for embedded system design.
- 应用说明英语PDF 2.21 MB R01AN8279EU0100 Rev.1.00 2026年3月31日Learn how to use MCU boot firmware features and supporting tools to implement SFP on RA4 MCUs. By following this guide, developers will apply the provided guidelines and procedures, and gain an understanding of key SFP operations, including firmware image encryption and device lifecycle management (DLM), enabling a secure and structured starting point for development.
- 应用说明英语PDF 283 KB R01AN6054EJ0160 Rev.1.60 2026年3月03日Recommended operating conditions are provided to help prevent device damage in Renesas RA family MCUs when injection current is introduced at I/O pins by external factors. The document outlines the maximum allowable injection current for each RA product and explains how to calculate appropriate series resistors to limit injection current, providing design guidelines for system development.
- 其他英语RA4L1 Group Handbook for RA4L1RECOMMENDEDThe RA4L1 Group handbook organizes the necessary information and materials for product development by each development phase. Please make use of it during the planning and development stages within the RA4L1 Group.
- 应用说明英语PDF 2.35 MB R11AN0473EU0221 Rev.2.21 2025年11月21日Learn how to inject plaintext keys into RA MCUs using various security engines operating in Compatibility Mode. This application note details the protection of the Root of Trust, emphasizing secure key storage through hardware unique keys (HUK) and isolated cryptographic operations within the security engine. The security engines support multiple cryptographic algorithms and key handling methods, enabling secure and efficient key management.相关文件：
- 应用说明英语PDF 4.61 MB R01AN6787EU0110 Rev.1.10 2025年10月27日Renesas RA Family MCUs implement boot mode, which provides access to built-in firmware that allows the system configuration to be interrogated and updated. Boot mode can be entered through a serial port, USB virtual COM port or SWD/JTAG interface. The ability to connect to boot mode via SWD/JTAG enhances convenience, whilst serial/USB connections retain compatibility with existing production programming tools.相关文件：
- 应用说明英语PDF 402 KB R11AN0498EU0130 Rev.1.30 2025年10月09日AI 生成的摘要: The document explains the two operational modes, highlighting their advantages and disadvantages, and provides practical guidance for selecting and using each mode. It also includes reference links to Renesas RA Family Application Projects that demonstrate these modes with detailed examples of the related FSP module usage.
- 数据手册英语RA4L1 Group DatasheetRECOMMENDEDThe RA4L1 group is a general-purpose 32-bit MCU equipped with an Arm Cortex-M33 running at 80MHz, which achieves the ideal balance of low-voltage operation, low power consumption, and high performance, and is also available in a small package lineup, making it suitable for applications that emphasize power saving and miniaturization. This document provides an overview of the product specifications and the electrical characteristics of the RA4L1 group.
- 手册 - 硬件英语RA4L1 Group User's Manual: HardwareRECOMMENDEDThe RA4L1 group is a general-purpose 32-bit MCU equipped with an Arm Cortex-M33 running at 80 MHz, which achieves the ideal balance of low-voltage operation, low power consumption, and high performance, and is also available in a small package lineup, making it suitable for applications that emphasize power saving and miniaturization. The RA4L1 group hardware manual clearly explains low-power modes, analog functions, peripheral control functions, and power supply/pin specifications.
- 其他英语RA4L1 Group Handbook for RA4L1RECOMMENDEDThe RA4L1 Group handbook organizes the necessary information and materials for product development by each development phase. Please make use of it during the planning and development stages within the RA4L1 Group.
推荐文档 (3)
- 数据手册英语RA4L1 Group DatasheetRECOMMENDEDThe RA4L1 group is a general-purpose 32-bit MCU equipped with an Arm Cortex-M33 running at 80MHz, which achieves the ideal balance of low-voltage operation, low power consumption, and high performance, and is also available in a small package lineup, making it suitable for applications that emphasize power saving and miniaturization. This document provides an overview of the product specifications and the electrical characteristics of the RA4L1 group.
数据手册 (1)
- 手册 - 硬件英语RA4L1 Group User's Manual: HardwareRECOMMENDEDThe RA4L1 group is a general-purpose 32-bit MCU equipped with an Arm Cortex-M33 running at 80 MHz, which achieves the ideal balance of low-voltage operation, low power consumption, and high performance, and is also available in a small package lineup, making it suitable for applications that emphasize power saving and miniaturization. The RA4L1 group hardware manual clearly explains low-power modes, analog functions, peripheral control functions, and power supply/pin specifications.
- 快速入门指南英语
- 指南中文相关文件：
手册和指南 (4)
- 应用说明英语PDF 3.85 MB R11AN0496EU0230 Rev.2.30 2026年4月29日Learn how Renesas MCU security is built around integrated security engines. The RA family includes various types, which can be identified in each MCU’s hardware manual. These engines operate in two modes: Compatibility and Protected. This application note defines both and outlines their use cases.相关文件：
- 应用说明英语PDF 668 KB R20AN0787EU0111 Rev.1.11 2026年4月09日The EK-RA4L1 example project bundle demonstrates how to write code for various Renesas Flexible Software Package (FSP) modules supported by the EK-RA4L1 kit. It includes multiple example projects that highlight peripheral usage and system functionality, while leveraging the optimized, scalable, and high‑quality FSP for embedded system design.
- 应用说明英语PDF 2.21 MB R01AN8279EU0100 Rev.1.00 2026年3月31日Learn how to use MCU boot firmware features and supporting tools to implement SFP on RA4 MCUs. By following this guide, developers will apply the provided guidelines and procedures, and gain an understanding of key SFP operations, including firmware image encryption and device lifecycle management (DLM), enabling a secure and structured starting point for development.
- 应用说明英语PDF 283 KB R01AN6054EJ0160 Rev.1.60 2026年3月03日Recommended operating conditions are provided to help prevent device damage in Renesas RA family MCUs when injection current is introduced at I/O pins by external factors. The document outlines the maximum allowable injection current for each RA product and explains how to calculate appropriate series resistors to limit injection current, providing design guidelines for system development.
- 应用说明英语PDF 2.35 MB R11AN0473EU0221 Rev.2.21 2025年11月21日Learn how to inject plaintext keys into RA MCUs using various security engines operating in Compatibility Mode. This application note details the protection of the Root of Trust, emphasizing secure key storage through hardware unique keys (HUK) and isolated cryptographic operations within the security engine. The security engines support multiple cryptographic algorithms and key handling methods, enabling secure and efficient key management.相关文件：查看更多 (25)
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- 其他英语This document provides supplementary explanations of the peripheral functions chapter of the hardware manual for RA microcontrollers based on frequently asked questions.相关文件：
- 其他英语This document provides supplementary explanations of the electrical characteristics chapter of the hardware manual for RA microcontrollers based on frequently asked questions.相关文件：
- 其他英语RA4L1 Group Handbook for RA4L1RECOMMENDEDThe RA4L1 Group handbook organizes the necessary information and materials for product development by each development phase. Please make use of it during the planning and development stages within the RA4L1 Group.
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Renesas Boards & Kits
EK-RA4L1
有效
RA4L1 MCU 群组评估套件
EK-RA4L1 评估套件可通过瑞萨电子的灵活软件包 (FSP) 和 e2 studio IDE，帮助用户轻松评估 RA4L1 MCU 产品组的特性，并开发嵌入式系统应用程序。 用户可利用丰富的板载功能及其自选的热门生态系统插件，将创意变为现实。
入门指南
运行快速入门示例项目
- EK-RA4L1 开发板预编程了快速入门示例项目（EK-RA4L1 示例项目包中提供的源代码）。
- 使用连接到 5V 电源的微型 USB 设备电缆，通过 USB 调试端口 （J10） 为 EK-RA4L1 板供电。 白色电源 LED 指示灯将会亮起。
- 快速入门示例项目将开始运行，蓝色用户 LED 灯将开始闪烁。
- 请参阅... 阅读详情
RSSK-RA4L1
有效
RA4L1 电容式触摸评估系统
RA4L1 电容式触摸评估系统使用户能够轻松评估瑞萨电子提供的触摸解决方案。 您可以使用套件中的电路板和软件即刻开始评估，开箱即用。
注意：RA4L1 MCU 支持 Secure Factory Programming 功能。但 RA4L1 电容式触摸评估系统套件不支持该功能。
Partner Boards & Kits
Evaluation
RA Family Microcontroller Board
NEWThis solution provides a general-purpose evaluation board featuring Renesas RA Family microcontrollers. It is available as a standalone evaluation board or as part of functional kits supporting applications such as CAN, touch key interfaces, and brushless motor control.
Provided By:
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Partner Solutions
- 软件包中文RA 可扩展性强的配置软件包 (FSP)RECOMMENDEDFSP 是一款增强型软件包，旨在为使用瑞萨电子 RA 系列 Arm 微控制器的嵌入式系统设计提供简单易用且可扩展性强的高质量软件。
- IDE 和编码工具英语Arm® Keil® MDK is a comprehensive software development solution for Arm-based microcontrollers, including RA Family MCUs, containing all the components that you need to create, build, and debug embedded applications.提供商: Arm® Keil® MDK Arm®
- IDE 和编码工具中文IAR Embedded Workbench for Arm 是 IAR 为 Arm 开发环境打造的一体化嵌入式开发平台，它拥有完善的工具链，涵盖高度优化的 C/C++ 编译器、调试器和分析工具等。提供商: IAR Systems
- 解决方案工具包英语In developing embedded system using the capacitive touch sensor of MCUs, you can easily setup initial configurations of the touch interface as well as process the tuning of sensors, and reduce development time. [Plugin for Renesas IDE "e2 studio"] [Standalone Version] [Support MCU/MPU:RA, RL78, RX, Renesas Synergy™]
- 解决方案工具包英语The Renesas RA Smart Configurator (RA SC) is a desktop application that helps you in configuring software systems (including a Board Support Package (BSP), drivers, RTOS, and middleware) for RA-Family MCUs when you are using a third-party IDE and toolchain.
- 解决方案工具包英语Key wrapping tool for key management systems using Renesas security IP. Enables secure installation and update of user application and device lifecycle management (DLM) keys.
- 仿真器英语On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX, RISC-V MCU]
- 仿真器英语On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX, RISC-V MCU]
- 仿真器英语With their outstanding performance, robustness, and ease of use, J-Link debug probes are widely recognized as the market-leading debug probes today.提供商: SEGGER
- 编程器（单元/软件）英语On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Renesas Flash Programmer] [Support MCU/MPU and devices: RE, RX, RL78, RH850, RISC-V MCU, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver]
- 编程器（单元/软件）英语On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Renesas Flash Programmer] [Support MCU/MPU and devices: RX, RL78, RISC-V MCU, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver]
- 编程器（单元/软件）英语Flash memory programmer [Programming software: Dedicated GUI-based software, the "FP6 Terminal"] [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, SuperH RISC engine, V850, 78K, R8C]
- 编程器（单元/软件）中文闪存编程软件【支持 MCU/MPU 和设备：RA、RE、RX、RL78、RH850、RISC-V MCU, Renesas Synergy、DA1453x、DA1459x、DA1469x、DA1470x、DA148xx、电源管理、Renesas USB Power Delivery 系列、电机驱动器/执行器驱动器 IC、V850、78K0R、78K0】
- 软件包中文RA 可扩展性强的配置软件包 (FSP)RECOMMENDEDFSP 是一款增强型软件包，旨在为使用瑞萨电子 RA 系列 Arm 微控制器的嵌入式系统设计提供简单易用且可扩展性强的高质量软件。
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- 软件包中文RA 可扩展性强的配置软件包 (FSP)RECOMMENDEDFSP 是一款增强型软件包，旨在为使用瑞萨电子 RA 系列 Arm 微控制器的嵌入式系统设计提供简单易用且可扩展性强的高质量软件。
- IDE 和编码工具英语Arm® Keil® MDK is a comprehensive software development solution for Arm-based microcontrollers, including RA Family MCUs, containing all the components that you need to create, build, and debug embedded applications.提供商: Arm® Keil® MDK Arm®
- IDE 和编码工具中文IAR Embedded Workbench for Arm 是 IAR 为 Arm 开发环境打造的一体化嵌入式开发平台，它拥有完善的工具链，涵盖高度优化的 C/C++ 编译器、调试器和分析工具等。提供商: IAR Systems
- 解决方案工具包英语In developing embedded system using the capacitive touch sensor of MCUs, you can easily setup initial configurations of the touch interface as well as process the tuning of sensors, and reduce development time. [Plugin for Renesas IDE "e2 studio"] [Standalone Version] [Support MCU/MPU:RA, RL78, RX, Renesas Synergy™]查看更多 (16)
软件与工具 (16)
- 示例代码英语Learn how to define the RA Family MCU debug capability and serial programming capability by the device lifecycle states. Device Lifecycle Management (DLM) is the management of the process by which a product goes from inception to development to production and then eventually end-of-life.相关文件：
- 示例代码英语The EK-RA4L1 example project bundle demonstrates how to write code for various Renesas Flexible Software Package (FSP) modules supported by the EK-RA4L1 kit. The sample code provides ready‑to‑build reference implementations that illustrate peripheral operation and system behavior, enabling developers to quickly evaluate FSP features and accelerate embedded application development.
- 示例代码英语Learn how to inject plaintext keys into RA MCUs using security engines operating in Compatibility Mode. Example projects for various MCUs and security engines demonstrate plaintext key injection with Renesas Flexible Software Package (FSP) APIs and PSA Certified Crypto APIs.相关文件：
- 示例代码英语The accompanying demo code, provided in Python, demonstrates how to access and interact with the boot mode on RA4 and RA6 MCU Family devices that are based on Cortex-M33 and implement Device Lifecycle Management (DLM) capabilities. It serves as a practical example for developers to see the boot mode interface in action, showing step-by-step procedures for communication and control.相关文件：
- 示例代码英语Learn how to create an application project using the MCUboot Module in Protected Mode on the Renesas EK-RA6M4 board with FSP v6.1.0. The intended audience includes product developers, product manufacturers, product support, and end users who are involved in designing application systems involving the use of a secure bootloader.相关文件：查看更多 (11)
样例程序 (11)
模拟模型 (1)
- Application Specific SW中文Enables adaptive pedestrian traffic light control by detecting and counting pedestrians and calculating wait times in real-time, with no network connection required. Runs entirely at the edge on the Renesas RA8P1 MCU, accelerated by the Arm® Ethos-U55 Neural Processing Unit (NPU), achieving 11ms inference time within a ...Supported Products: RA8P1提供方: Irida Labs
- AI中文Local AI–based Audio Event Detection identifies sound events such as baby crying and glass breaking with ~95% accuracy and 10–100 ms latency, enabling fast and reliable response to critical events. Supports deployment on Cortex-M0+ and comparable RISC-V/NPU/DSP platforms. Model size ranges from ...提供方: Aizip Inc.
- Development Tool中文Provides tools for developing real‑time, safety‑ and security‑critical embedded software by combining static analysis, unit testing, code coverage, requirements traceability, and compliance reporting in a unified workflow. Supports a TÜV SÜD‑certified GoogleTest‑based unit testing solution and integrates with modern development toolchains and continuous integration and continuous ...提供方: PARASOFT
- AI中文Provides local voice trigger and command recognition with robust noise reduction. Consumes very low resources while delivering high-accuracy performance. Runs on Renesas RA microcontroller unit (MCU) family, RX671, and RX72N, supporting multiple languages, connectivity functions, and security capabilities depending on the selected MCU. Enables offline operation without cloud connectivity ...提供方: Cyberon
- AI中文Provides local free speech control by combining speech recognition and natural language processing. Enables users to give natural and intuitive voice commands without memorizing specific terms. Supports developer tools for creating applications with simple text input, requiring no training data. Runs on Renesas RA8 microcontroller unit (MCU) platforms.提供方: Cyberon查看更多 (29)
Partner Solutions (29)
电容式触摸智能唤醒参考设计
“Smart Wake Up”智能唤醒参考设计借助电容式触摸评估系统实现了低功耗待机。
The Renesas RA4L1 MCU group offers 80MHz, 32-bit microcontrollers powered by the Arm® Cortex®-M33 core with TrustZone®. These low-power, general-purpose MCUs are designed to meet the needs of applications requiring efficient energy usage, high performance, and advanced security features.
Watch for an overview of the essentials about RA4L1 MCUs including enhanced security features, capacitive touch and segment LCD to help improve your customers’ experience. These 32-bit MCUs are based on the Arm® Cortex®-M33 core with TrustZone® and deliver an ideal balance of low-voltage operation, low-power consumption and high performance.
The Renesas RA Family of 32-bit MCUs is designed to help device developers create the next generation of secure IoT devices. They are low power, have a wide variety of peripherals and connectivity options, and sport the latest HMI to help end customers have an immersive experience.
Introduction to the evaluation kits for the Renesas Advanced Microcontrollers. Select from an assortment of ecosystem-ready kits to jumpstart developing your next embedded systems or IoT design. All the kits feature serial connectivity on-board debugging interface and provide unhindered native access to all MCU IO pins.
了解瑞萨电子如何帮助您驾驭艰巨的安全世界，并帮助您设计安全性，从而避免代价高昂的错误和重新设计。
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支持社区
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RA4L1,FSP6.0.0 13.2.1.arm-13-7
在stacks添加外设模块,外设达到10个后,中断数量超过13个后,链接器会报warninngC:/Renesas/RA/e2studio_v2025-04.1_fsp_v6.0.0/toolchains/gcc_arm/13 ...
2025年8月29日 -
RA4L1,RA8D1使用过程中碰到的问题
FSP版本是6.0.0问题1;canfd的common fifo 发送的相关问题,ra4l1和ra8d1都有 canfd配置为common fifo模式下,缓存区设置了64字节， 深度8,在使用 ...
2025年8月27日 -
IAR FOR RA4L1 用户代码被覆盖问题咨询
你好: 使用官方FSP工具生成IAR FOR RA4L1例程后，每次编译都会自动调用脚本文件覆盖用户文件。如何禁止此功能? 例如: 用户修改 ...
2025年7月8日
知识库
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RA4L1产品群MCU上的TrustZone
RA4L1上的Cortex-M33内核提供TrustZone，这是一种硬件强制分离MCU资源的机制，可实现内存和外围设备的隔离和安全/非安全分区。在安 ...
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处理RA4L1 MCU上未使用的引脚。
P200/NMI 若不使用，应通过电阻连接至VCC（上拉）。 P212/EXTAL 不使用主时钟振荡器时，应将MOSCCR.MOSTP位设置为1（通用端口P212）。此引脚不作 ...
