Datasheet R01DS0281EJ0210 RL78/I1C Rev.2.10 RENESAS MCU Aug 23, 2019 True Low Power Platform, Independent power supply RTC, Hardware AES, 32-bit MAC, 1.9 V to 5.5 V operation, 64 to 256 Kbyte Flash, for Electric AMI Power Meter Application 1. OUTLINE 1.1 Features Note 2 PLL clock <R> Target application 32 MHz is selectable ( A/D converter is Power meters operable even when the PLL clock is selected as a CPU clock.) Ultra-low power consumption technology VDD = single power supply voltage of 1.7 to Note 1 High-speed on-chip oscillator 5.5 V Select from 1 to 24 MHz (TYP.). However when it HALT mode is used as a clock for the A/D converter, select STOP mode from 24 MHz (TYP.), 12 MHz (TYP.), 6 MHz SNOOZE mode (TYP.), or 3 MHz (TYP.). RL78 CPU core High accuracy: 1.0% (VDD = 1.9 to 5.5 V, TA = CISC architecture with 3-stage pipeline 20 to +85C) Minimum instruction execution time: Can be On-chip high-speed on-chip oscillator clock changed from high speed (0.03125 s: 32 MHz frequency correction function selection with PLL clock, 0.04167 s: 24 MHz selection with high-speed on-chip oscillator) to Middle-speed on-chip oscillator ultra-low speed (66.6 s: 15 kHz operation with Select from 4 MHz/2 MHz/1 MHz (However low-speed on-chip oscillator) A/D converter is disabled.) 16-bit multiplication, 16-bit multiply-accumulation, Operating ambient temperature and 32-bit division are supported. TA = -40 to +85C Address space: 1 MB General-purpose registers: (8-bit register 8) 4 Power management and reset function banks On-chip power-on-reset (POR) circuit for Internal On-chip RAM: 6 KB to 16 KB Note 3 VDD power supply On-chip RTC power-on-reset (RTCPOR) circuit for Code flash memory VRTC power supply Code flash memory: 64 KB to 256 KB On-chip voltage detector (LVD) (Select interrupt Block size: 1 KB and reset from 13 levels) Prohibition of block erase and rewriting (security function) Voltage detective circuit On-chip debug function Detective voltage for VDD pin (Select interrupt from Self-programming (with boot swap function/flash 6 levels) shield window function) Detective voltage for VBAT pin (Select interrupt from 7 levels) Data flash memory Detective voltage for VRTC pin (Select interrupt Data flash memory: 2 KB from 4 levels) Back ground operation (BGO): Instructions can be Detective voltage for EXLVD pin (Select interrupt executed from the program memory while from 1 level) rewriting the data flash memory Number of rewrites: 1,000,000 times (TYP.) Voltage of rewrites: VDD = 1.9 to 5.5 V R01DS0281EJ0210 Rev.2.10 Page 1 of 89 Aug 23, 2019 RL78/I1C 1. OUTLINE Data transfer controller (DTC) I/O port Transfer mode: Normal mode, repeat mode, block I/O port: 35 to 68 (N-ch open drain I/O 6 V mode tolerance : 3, N-ch open drain I/O VDD Note 5 Note 6 Activation source: Start by interrupt sources tolerance /EVDD tolerance : 10 to 16) Chain transfer function Can be set to N-ch open drain, TTL input buffer, and on-chip pull-up resistor Event link controller (ELC) Different potential interface: Can connect to a Event signals of 22 types can be linked to the 1.8/2.5/3 V device specified peripheral function. On-chip clock output/buzzer output controller On-chip key interrupt function On-chip 32-bit multiplier and multiply-accumulator 32 bits 32 bits = 64 bits (Unsigned or signed) Note 7 AES circuit 32 bits 32 bits + 64 bits = 64 bits (Unsigned or Cipher modes of operation: GCM/ECB/CBC signed) Encryption key length: 128/192/256 bits Serial interface Others CSI: 2 to 3 channels On-chip BCD (binary-coded decimal) correction UART/UART (LIN-bus supported): 2 to 3 channels circuit UART/IrDA: 1 channel On-chip battery backup function 2 Simplified I C communication: 2 to 3 channels 2 I C communication: 1 channel Notes 1. The minimum operating voltage of this Timer product varies according to the VBATEN 16-bit timer: 8 channels setting value. 12-bit interval timer: 1 channel When VBATEN = 0, the minimum 8-bit interval timer: 4 channels operating voltage is 1.7 V. Independent power supply RTC: 1 channel When VBATEN = 1, the minimum (calendar for 99 years, alarm function, and clock operating voltage is 1.9 V. correction function) As well, the minimum operating voltage of Watchdog timer: 1 channel VRTC is 1.6 V. Oscillation stop detection circuit: 1 channel 2. R5F10NPJ, R5F10NMJ, R5F10NPG only. 3. Either VDD or VBAT is selected by the battery LCD controller/driver backup function. Internal voltage boosting method, capacitor split 4. The values in parentheses are the number of method, and external resistance division method signal outputs when 8 com is used. are switchable 5. 64 pin products only Note 4 Note 4 Segment signal output: 19 (15) to 42 (38) 6. 80 pin, 100 pin products only Note 4 Common signal output: 4 (8) 7. Only available in R5F10N products. A/D converter Remark The functions mounted depend on the 24-Bit A/D converter: 3 or 4 channels product. See 1.6 Outline of Functions. 8/10-bit resolution A/D converter (VDD = 1.9 to 5.5 V): 4 or 6 channels Internal reference voltage (1.45 V) and temperature sensor R01DS0281EJ0210 Rev.2.10 Page 2 of 89 Aug 23, 2019