微控制器和微处理器

概览

RL78/L12 microcontrollers have a built-in segment LCD driver. Three LCD driving voltage generation methods (external resistance division, capacitive split, and internal voltage boost) are supported, corresponding to a variety of segment LCD panels. They realize low current consumptionNote 1: external resistance division: 1.60 μANote 2, internal voltage boost: 1.19 μA, and capacitive split: 0.68 µA. With a lineup of 32 to 64-pin products supporting up to 280 segments, these microcontrollers are perfect for small devices with built-in LCD panels such as small appliances and healthcare devices.

Note 1: Current (typ.) at 1/3 bias, subclock operation, HALT mode, and RTC operation.

Note 2: Resistance value for external resistance division = 1000 kΩ.

RL78/L12 Block Diagram
RL78/L12 Block Diagram
  • CPU: RL78 core, Max. 24MHz
  • Voltage: 1.6V to 5.5V
  • Package: 64-pin QFN, 32 to 64-pin QFP
  • Memory: SRAM Max. 1.5KB, Program Flash Max. 32KB
Air Conditioner (High-End)
Air Conditioner (Low-End)
Blood Pressure Monitor
Cyclocomputer
Electronic Pedometer
Electronic Thermometer
IH Cooking Heater (High-End)
IH Cooking Heater (Mid-Range)
Microwave Oven (High-End)
Scales & Body Composition Analyzer
Treadmill
可编程的采暖散热器温控器
水表

应用

  • Healthcare
  • Home Appliance
  • Office
  • Security

文档

文档标题 类型 日期
RL78/L12 Data Sheet
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数据手册
RL78/L12　用户手册硬件篇 Rev.2.00
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RL78/G14, H8/36109 Migration Guide from H8 to RL78: I/O Ports Rev.1.00
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RL78/G14, H8/36109 Migration Guide from H8 to RL78: ROM (Flash memory) Rev.1.00
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RL78/G14, H8/36109 Migration Guide from H8 to RL78: Realtime Clock (RTC) Rev.1.00
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RL78/G13, 78K0/Kx2 Migration Guide from 78K0 to RL78: 8-Bit Timer/Event Counters 50 and 51 to Timer Array Unit Rev.1.00
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RL78/G13, 78K0/Kx2 Migration Guide from 78K0 to RL78: 8-Bit Timers H0 and H1 to Timer Array Unit Rev.1.00
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RL78/G13, 78K0/Kx2 Migration Guide from 78K0 to RL78: Clock Output/ Buzzer Output Control Circuit Rev.1.00
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RL78/G13, 78K0/Kx2 Migration Guide from 78K0 to RL78: Key Interrupt Rev.1.00
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RL78/G13, 78K0/Kx2 Migration Guide from 78K0 to RL78: Multiplier/Divider Rev.1.00
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RL78/G13, 78K0/Kx2 Migration Guide from 78K0 to RL78: Option byte Rev.1.00
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Random Number Generator Rev.1.02
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RL78/G14, R8C/36M Group Migration Guide from R8C to RL78: Flash Memory Rev.1.00
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RL78/G14, R8C/36M Group Migration Guide from R8C to RL78: D/A converter Rev.1.00
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Current Consumption Tuning Solution for RL78 family (E2 Emulator,CS+) Rev.1.00
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