特性
- 48MHz Arm Cortex-M23内核
- 512KB闪存（双组）和48KB SRAM
- 8KB 数据闪存（100,000 次编程/擦除 （P/E） 周期）
- 64 引脚、80 引脚和 100 引脚 LFQFP 封装选项
- 24 位 Sigma-Delta A/D 转换器、12 位 A/D 转换器和温度传感器
- 16 位通用定时器、32 位和 16 位低功耗 AGT 定时器以及独立电源 RTC
- SCI（UART、简单 SPI、简单 I2C）、SPI 和 I2C 总线
- 段式 LCD 控制器 （8com x 38seg）
- 信息安全，包括 AES、安全 MPU、Flash Access Window、TRNG
RA2A2 Block Diagram
描述
RA2A2 系列是一款低功耗微控制器，结合了 48MHz Arm® Cortex®-M23 内核和丰富的外设功能。 RA2A2 MCU 支持段式 LCD 和高精度模拟功能，同时降低功耗、系统成本和整体尺寸，优化功能，适合广泛应用。 此外，RA2A2 的双组闪存和信息安全功能使固件更新变得容易并提高了系统可靠性。
产品参数
| 属性 | 值 |
|---|---|
| Main CPU | Arm Cortex-M23 |
| Program Memory (KB) | 512 |
| RAM (KB) | 48 |
| Carrier Type | Bulk (Tray), Full Carton (Tray), Full Tray (Tray), Tape & Reel |
| Supply Voltage (V) | 1.6 - 5.5 |
| I/O Ports | 43, 59, 71, 77 |
| DRAM I/F | No |
| Temp. Range (°C) | Ta=-40 to +105 |
| Operating Freq (Max) (MHz) | 48 |
| Ethernet speed | No |
| EtherCat (ch) (#) | 0 |
| USB FS (host ch/device ch) | ( 0 / 0 ) |
| USB HS (host ch/device ch) | ( 0 / 0 ) |
| USB SS (host ch/device ch) | ( 0 / 0 ) |
| SCI or UART (ch) | 4, 5 |
| SPI (ch) | 1 |
| I2C (#) | 1, 2 |
| CAN (ch) | 0 |
| CAN-FD (ch) | 0 |
| Wireless | No |
| SDHI (ch) | 0 |
| High Resolution Output Timer | No |
| PWM Output (pin#) | 9, 11, 12 |
| 32-Bit Timer (ch) | 0 |
| 16-Bit Timer (ch) (#) | 5, 6 |
| Standby operable timer | Yes |
| Asynchronous General Purpose Timer / Interval Timer (ch) | 10 |
| 16-Bit A/D Converter (ch) | 0 |
| 14-Bit A/D Converter (ch) | 0 |
| 12-Bit A/D Converter (ch) | 2, 4 |
| 24-Bit Sigma-Delta A/D Converter (ch) | 4, 7 |
| 12-Bit D/A Converter (ch) | 0 |
| 8-Bit D/A Converter (ch) | 0 |
| Capacitive Touch Sensing Unit (ch) | 0 |
| Image Codec | No |
| Segment LCD Controller | Yes |
| Security & Encryption | Unique ID, TRNG, AES(128/256) |
产品对比
| RA2A2 | RA2A1 | RA2L1 | RA4M2 | |
| CPU | Arm Cortex-M23 | Arm Cortex-M23 | Arm Cortex-M23 | Arm Cortex-M33 |
| Operating Freq (Max) (MHz) | 48 | 48 | 48 | 100 |
| Program Memory (KB) | 512 | 256 | 128, 256 | 256, 384, 512 |
| RAM (KB) | 48 | 32 | 32 | 128 |
| Data Flash (KB) | 8 | 8 | 8 | 8 |
| Lead Count (#) | 64, 80, 100 | 32, 36, 40, 48, 64 | 48, 64, 80, 100 | 48, 64, 100 |
| Supply Voltage | 1.6 - 5.5 | 1.6 - 5.5 | 1.6 - 5.5 | 2.7 - 3.6 |
应用方框图
 | 人形机器人电池管理系统 集成式人形机器人 BMS，可实现安全、实时的功率管理、保护及电池状态控制。 |
 | 2 级电动汽车充电器 模块化 EVSE 系统具有先进的连接性，可实现高效的 EV 充电和管理。 |
 | 电磁流量计 电磁流量计使用电磁感应确保精确的流量测量，适用于各种行业。 |
 | 智能恒温器 物联网智能恒温器具有远程监测功能，能效出色，支持快速原型开发工具。 |
 | 三相智能电表 三相智能电表，具备远程数据访问和高压重负载作能力。 |
其他应用
- 能量计
- 工业自动化
- 楼宇自动化
- 家用电器
- 医疗和保健
- 数码家电/消费类产品
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ISL3172E
±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R7FA2A2AD3CFP#AA1 | Active | N/A | 有库存 | LFQFP | 1ku | $3.74 | Bulk (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 100# | 0.5mm | 14 x 14 x 1.7 | 1# | 1.6 - 5.5 | 71 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 1 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 12 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN | |
| R7FA2A2AD3CFP#BA1 | Active | Available | 2037 Dec | 缺货 | LFQFP | 1ku | $3.74 | Full Carton (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 100# | 0.5mm | 14 x 14 x 1.7 | 1# | 1.6 - 5.5 | 71 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 720 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 12 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN |
| R7FA2A2AD3CFP#HA1 | Active | N/A | 2037 Dec | 缺货 | LFQFP | 1ku | $3.74 | Tape & Reel | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 100# | 0.5mm | 14 x 14 x 1.7 | 1# | 1.6 - 5.5 | 71 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 1000 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 12 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN |
| R7FA2A2AD3CFP#UA1 | Active | N/A | 缺货 | LFQFP | 1ku | $3.74 | Full Tray (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 100# | 0.5mm | 14 x 14 x 1.7 | 1# | 1.6 - 5.5 | 71 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 90 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 12 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN | |
| R7FA2A2BD3CFM#AA1 | Active | N/A | 缺货 | LFQFP | 1ku | $3.26 | Bulk (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 64# | 0.5mm | 10 x 10 x 1.7 | 1# | 1.6 - 5.5 | 43 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 1 | Ta=-40 to +105 | 12# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 4 | 1 | 0 | 0 | 1# | 0 | 0 | 0 | No | No | 0 | 0 | No | 9 | 0 | 5# | 0 | Yes | 10 | Yes | 0 | 0 | 2 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN | |
| R7FA2A2BD3CFM#BA1 | Active | Available | 2037 Dec | 缺货 | LFQFP | 1ku | $3.26 | Full Carton (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 64# | 0.5mm | 10 x 10 x 1.7 | 1# | 1.6 - 5.5 | 43 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 1280 | Ta=-40 to +105 | 12# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 4 | 1 | 0 | 0 | 1# | 0 | 0 | 0 | No | No | 0 | 0 | No | 9 | 0 | 5# | 0 | Yes | 10 | Yes | 0 | 0 | 2 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN |
| R7FA2A2BD3CFM#HA1 | Active | N/A | 2037 Dec | 缺货 | LFQFP | 1ku | $3.26 | Tape & Reel | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 64# | 0.5mm | 10 x 10 x 1.7 | 1# | 1.6 - 5.5 | 43 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 1500 | Ta=-40 to +105 | 12# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 4 | 1 | 0 | 0 | 1# | 0 | 0 | 0 | No | No | 0 | 0 | No | 9 | 0 | 5# | 0 | Yes | 10 | Yes | 0 | 0 | 2 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN |
| R7FA2A2BD3CFM#UA1 | Active | N/A | 缺货 | LFQFP | 1ku | $3.26 | Full Tray (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 64# | 0.5mm | 10 x 10 x 1.7 | 1# | 1.6 - 5.5 | 43 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 160 | Ta=-40 to +105 | 12# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 4 | 1 | 0 | 0 | 1# | 0 | 0 | 0 | No | No | 0 | 0 | No | 9 | 0 | 5# | 0 | Yes | 10 | Yes | 0 | 0 | 2 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN | |
| R7FA2A2BD3CFN#AA1 | Active | N/A | 缺货 | LFQFP | 1ku | $3.34 | Bulk (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 80# | 0.5mm | 12 x 12 x 1.7 | 1# | 1.6 - 5.5 | 59 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 1 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 11 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN | |
| R7FA2A2BD3CFN#BA1 | Active | Available | 2037 Dec | 缺货 | LFQFP | 1ku | $3.34 | Full Carton (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 80# | 0.5mm | 12 x 12 x 1.7 | 1# | 1.6 - 5.5 | 59 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 952 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 11 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN |
| R7FA2A2BD3CFN#HA1 | Active | N/A | 2037 Dec | 缺货 | LFQFP | 1ku | $3.34 | Tape & Reel | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 80# | 0.5mm | 12 x 12 x 1.7 | 1# | 1.6 - 5.5 | 59 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 1000 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 11 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN |
| R7FA2A2BD3CFN#UA1 | Active | N/A | 缺货 | LFQFP | 1ku | $3.34 | Full Tray (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 80# | 0.5mm | 12 x 12 x 1.7 | 1# | 1.6 - 5.5 | 59 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 119 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 11 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN | |
| R7FA2A2BD3CFP#AA1 | Active | N/A | 缺货 | LFQFP | 1ku | $3.44 | Bulk (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 100# | 0.5mm | 14 x 14 x 1.7 | 1# | 1.6 - 5.5 | 77 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 1 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 12 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN | |
| R7FA2A2BD3CFP#BA1 | Active | Available | 2037 Dec | 缺货 | LFQFP | 1ku | $3.44 | Full Carton (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 100# | 0.5mm | 14 x 14 x 1.7 | 1# | 1.6 - 5.5 | 77 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 720 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 12 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN |
| R7FA2A2BD3CFP#HA1 | Active | N/A | 2037 Dec | 缺货 | LFQFP | 1ku | $3.44 | Tape & Reel | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 100# | 0.5mm | 14 x 14 x 1.7 | 1# | 1.6 - 5.5 | 77 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 1000 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 12 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN |
| R7FA2A2BD3CFP#UA1 | Active | N/A | 缺货 | LFQFP | 1ku | $3.44 | Full Tray (Tray) | RA | RA2 | RA2A2 | Arm | Arm Cortex-M23 | No | No | 32 | 512KB | 8KB | 48KB | Yes | 100# | 0.5mm | 14 x 14 x 1.7 | 1# | 1.6 - 5.5 | 77 | DTC | 0 | 1# | Yes | 2 | No | No | No | No | 90 | Ta=-40 to +105 | 13# | Yes | 48MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 5 | 1 | 0 | 0 | 2# | 0 | 0 | 0 | No | No | 0 | 0 | No | 12 | 0 | 6# | 0 | Yes | 10 | Yes | 0 | 0 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | No | 0 | 0 | No | No | No | Yes | 0 | Unique ID, TRNG, AES(128/256) | SWD | 3 | CHINA | JAPAN |
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ISL3172E
±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers
数据手册
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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：
- 应用说明英语PDF 609 KB R20AN0746EU0117 Rev.1.17 2026年3月11日The EK-RA2A2 example project shows how to write code for various Renesas Flexible Software Package (FSP) modules supported by the EK-RA2A2 kit. The Flexible Software Package provides an optimized, easy-to-use, scalable, and high-quality software solution for embedded system design.相关文件：
- 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RA2A2 Group HandbookRECOMMENDEDThe RA2A2 group handbook organizes essential information and materials for product development according to each development phase. Please use this handbook as a resource during the planning and development stages for the RA2A2 group.
- 应用说明英语AI 生成的摘要: This application note introduces recommended resonators for the RX and RA families along with the relevant resonator matching evaluation results, oscillation evaluation methods, and some recommendations on board design as information for the design of the main clock oscillation circuit and the sub-clock oscillation circuit.
- 技术更新英语
- 应用说明英语PDF 4.54 MB R11AN1065EU0100 Rev.1.00 2025年12月04日AI 生成的摘要: MCUboot is a secure bootloader for 32-bit MCUs that provides a standardized infrastructure for the bootloader and defines the system flash layout on MCU systems. It enables secure boot and simplifies firmware management. This application note explains how to create a secure bootloader using the MCUboot module with Ocrypto for enhanced security on the Renesas EK-RA2E1 kit.相关文件：
- 应用说明英语PDF 2.98 MB R11AN1069EU0100 Rev.1.00 2025年11月21日MCUboot is a secure bootloader for 32-bit MCUs. It defines a common infrastructure for the bootloader, defines system flash layout on microcontroller systems, and provides a secure bootloader that enables easy software update. MCUboot is operating system and hardware independent and relies on hardware porting layers from the operating system it works with. This application note demonstrates secure bootloader design using this dual-bank feature for a non-TrustZone environment based on RA2A2.相关文件：
- 手册 - 硬件英语RA2A2 Group User's Manual: HardwareRECOMMENDEDThe RA2A2 Group is a low-power microcontroller that combines a 48MHz Arm Cortex-M23 core with a rich set of peripheral functions. It is suitable for a wide range of applications, including smart energy meters. The RA2A2 Group User’s Manual (Hardware) provides detailed information required for system design, including analog functions, timers, communication interfaces, and electrical characteristics.
- 数据手册英语RA2A2 Group DatasheetRECOMMENDEDAI 生成的摘要: RA2A2 Group microcontrollers feature an ultra-low power 48MHz Arm Cortex-M23 core, up to 512KB code flash memory, 48KB SRAM, 12-bit and 24-bit A/D converters, LCD controller/driver, and various security and safety features. This datasheet provides detailed specifications for the RA2A2 microcontrollers.
- 技术更新英语
- 数据手册英语RA2A2 Group DatasheetRECOMMENDEDAI 生成的摘要: RA2A2 Group microcontrollers feature an ultra-low power 48MHz Arm Cortex-M23 core, up to 512KB code flash memory, 48KB SRAM, 12-bit and 24-bit A/D converters, LCD controller/driver, and various security and safety features. This datasheet provides detailed specifications for the RA2A2 microcontrollers.
- 其他英语RA2A2 Group HandbookRECOMMENDEDThe RA2A2 group handbook organizes essential information and materials for product development according to each development phase. Please use this handbook as a resource during the planning and development stages for the RA2A2 group.
- 手册 - 硬件英语RA2A2 Group User's Manual: HardwareRECOMMENDEDThe RA2A2 Group is a low-power microcontroller that combines a 48MHz Arm Cortex-M23 core with a rich set of peripheral functions. It is suitable for a wide range of applications, including smart energy meters. The RA2A2 Group User’s Manual (Hardware) provides detailed information required for system design, including analog functions, timers, communication interfaces, and electrical characteristics.
推荐文档 (3)
- 数据手册英语RA2A2 Group DatasheetRECOMMENDEDAI 生成的摘要: RA2A2 Group microcontrollers feature an ultra-low power 48MHz Arm Cortex-M23 core, up to 512KB code flash memory, 48KB SRAM, 12-bit and 24-bit A/D converters, LCD controller/driver, and various security and safety features. This datasheet provides detailed specifications for the RA2A2 microcontrollers.
数据手册 (1)
- 手册 - 硬件英语RA2A2 Group User's Manual: HardwareRECOMMENDEDThe RA2A2 Group is a low-power microcontroller that combines a 48MHz Arm Cortex-M23 core with a rich set of peripheral functions. It is suitable for a wide range of applications, including smart energy meters. The RA2A2 Group User’s Manual (Hardware) provides detailed information required for system design, including analog functions, timers, communication interfaces, and electrical characteristics.
- 指南中文相关文件：
手册和指南 (3)
- 应用说明英语PDF 609 KB R20AN0746EU0117 Rev.1.17 2026年3月11日The EK-RA2A2 example project shows how to write code for various Renesas Flexible Software Package (FSP) modules supported by the EK-RA2A2 kit. The Flexible Software Package provides an optimized, easy-to-use, scalable, and high-quality software solution for embedded system design.相关文件：
- 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AI 生成的摘要: This application note introduces recommended resonators for the RX and RA families along with the relevant resonator matching evaluation results, oscillation evaluation methods, and some recommendations on board design as information for the design of the main clock oscillation circuit and the sub-clock oscillation circuit.
- 应用说明英语PDF 4.54 MB R11AN1065EU0100 Rev.1.00 2025年12月04日AI 生成的摘要: MCUboot is a secure bootloader for 32-bit MCUs that provides a standardized infrastructure for the bootloader and defines the system flash layout on MCU systems. It enables secure boot and simplifies firmware management. This application note explains how to create a secure bootloader using the MCUboot module with Ocrypto for enhanced security on the Renesas EK-RA2E1 kit.相关文件：
- 应用说明英语PDF 2.98 MB R11AN1069EU0100 Rev.1.00 2025年11月21日MCUboot is a secure bootloader for 32-bit MCUs. It defines a common infrastructure for the bootloader, defines system flash layout on microcontroller systems, and provides a secure bootloader that enables easy software update. MCUboot is operating system and hardware independent and relies on hardware porting layers from the operating system it works with. This application note demonstrates secure bootloader design using this dual-bank feature for a non-TrustZone environment based on RA2A2.相关文件：查看更多 (10)
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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RA2A2 Group HandbookRECOMMENDEDThe RA2A2 group handbook organizes essential information and materials for product development according to each development phase. Please use this handbook as a resource during the planning and development stages for the RA2A2 group.
其他 (3)
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Renesas Boards & Kits
EK-RA2A2
有效
RA2A2 MCU 群组评估套件
EK-RA2A2 评估套件使用户能够轻松评估 RA2A2 MCU产品组的功能，并使用瑞萨电子的 灵活软件包 （FSP） 和 e2 studio IDE 开发嵌入式系统应用。 用户可利用丰富的板载功能，以及选择热门生态系统插件来将丰富创意变为现实。
入门
运行快速入门示例项目
- EK-RA2A2 开发板预编程了快速入门示例项目（EK-RA2A2 示例项目包中提供的源代码）。
- 使用连接到 2V 电源的微型 USB 设备电缆，通过 USB 调试端口 （J10） 为 EK-RA5A2 板供电。 白色电源 LED 指示灯将会亮起。
- 快速入门示例项目将通过闪烁蓝色用户 LED 开始执行。
- 请参阅 阅读详情
Partner Boards & Kits
Complementary Silicon Devices
Current Sensors: Precision Power Monitoring
NEWCTS current sensing solutions provide accurate, fast-response measurement for power conversion, electrified mobility, and industrial power systems. Engineered for high dynamic performance and robust operation, CTS designs support control-loop stability in inverters, while delivering dependable measurement under thermal stress, vibration, and electromagnetic noise. The portfolio enables both non-intrusive current measurement for improved safety and isolation, and integration-friendly architectures for compact ECUs, OBC/DC-DC converters, battery disconnect units, and smart power distribution.
Supported Products:
RA2A2Provided By:
CTS Corporation
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This development assistance tool supports the development of embedded systems to perform high-precision sensing for microcontrollers with built-in analog front-end (AFE). [Plugin for Renesas IDE "e2 studio"] [Standalone Version] [Support MCU/MPU:RA, RX]
- 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.
- 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】
- 成像英语SEGGER's emWin graphics library is a ready-to-use solution that provides a versatile and professional GUI platform for creating interactive and high-quality graphical user interfaces on any type of display for the Renesas RA family.
- 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This development assistance tool supports the development of embedded systems to perform high-precision sensing for microcontrollers with built-in analog front-end (AFE). [Plugin for Renesas IDE "e2 studio"] [Standalone Version] [Support MCU/MPU:RA, RX]查看更多 (15)
软件与工具 (15)
- 示例代码英语The EK-RA2A2 example project shows how to write code for various Renesas Flexible Software Package (FSP) modules supported by the EK-RA2A2 kit. The Flexible Software Package provides an optimized, easy-to-use, scalable, and high-quality software solution for embedded system design.相关文件：
- 示例代码英语AI 生成的摘要: Learn how to create a secure bootloader using the MCUboot module with Ocrypto for enhanced security on the Renesas EK-RA2E1 kit. This sample package includes bootloader and example application projects to help you implement secure boot functionality.相关文件：
- 示例代码英语MCUboot is a secure bootloader for 32-bit MCUs. It defines a common infrastructure for the bootloader, defines system flash layout on microcontroller systems, and provides a secure bootloader that enables easy software update. MCUboot is operating system and hardware independent and relies on hardware porting layers from the operating system it works with.相关文件：
- 示例代码英语相关文件：
- 示例代码英语ZIP 4.18 MB r30an0469eu0100 2025年3月26日相关文件：查看更多 (6)
样例程序 (6)
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)
2 级电动汽车充电器参考设计
此款模块化电动汽车供电设备（EVSE）系统简化了开发流程，并加速了智能电动汽车（EV）充电器的部署。 我们的控制器板叠加在电源板上，支持灵活的单相至三相充电，功率最高可达 22kW。 我们集成了 Wi-Fi、蓝牙®低功耗（LE）、NFC 以及可选的以太网，以满足多样化的连接需求。 通过采用高压 AC/DC 技术，我们省去了光耦合器，降低了系统复杂度。 我们的双区闪存 MCU 支持带回滚功能的安全 OTA 更新，帮助开发人员在高效扩展的同时保持系统可靠性。
An overview of the ultra-low power, feature-rich MCUs ideal for global energy management and a variety of industrial applications. Get all the details on the RA2A2 page.
Kickstart IoT and embedded systems development using Renesas EK-RA2E1 and EK-RA2L1, Evaluation Kits for RA2E1 and RA2L1 MCU Groups. Familiarize yourself with the kit architecture, key features, quick start example project and many useful resources to begin innovating quickly.
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.
新闻和博客
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2024年3月21日
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新闻
2024年3月21日
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支持社区
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RA2A2的硬件乘法器(MACL)单元如何使用？
你好: 项目需要软件来实现签名和验签的功能，需要用到芯片本身的MACL来实现乘法加速。 请问MACL如何使用？请帮提供文档和 ...
2025年11月7日 -
RA2A2 ADC校准
Dear Renesas Expert, 我的客户反馈ADC测到的值偏低，测的电压小，偏差小，电压大，偏差大。 我不清楚是什么原因，但是猜测是不是参考电压 ...
2025年7月4日 -
RTC RA2A2
Dear Renesas Expert, 请教一下，R_RTC_CalendarTimeGet (rtc.p_ctrl, &get_time) 前面可以用R_RTC_Open (rtc.p_ctrl, rtc.p_cfg);，吗？我的客户之前反馈RTC初始化有问题。所以她现 ...
2025年5月30日
知识库
-
RA2: 外部存储器接口
RA2系列是单芯片微控制器，没有外部总线接口。因此，无法将外部存储器连接到CPU的地址和数据总线上。
2025年7月9日 -
RA2: 安全功能
RA2L1/RA2A1/RA2E1/RA2E2/RA2E3/RA2A2/RA2L2/RA2T1 有很多安全功能，可确认芯片是否正常工作。 1.错误检测 独立看门狗计时器 (IWDT) 闪存CRC ...
2025年7月9日 -
RA2: 工作温度
RA2族支持多种工作温度。RA2L1、RA2L2、RA2E1、RA2E3 和 RA2A2支持-40至105℃。（环境温度）RA2E2、RA2L2 和 RA2T1支持-40至125℃。（环境温度）
2025年7月9日
