Renesas RL78 Series User Manual

Index-9
8.3.7 PWM3 Mode ................................................................................................................................... 644
8.4 Timer RD Interrupt ...................................................................................................................... 647
8.5 Notes on Timer RD ..................................................................................................................... 649
8.5.1 SFR Read/Write Access ................................................................................................................. 649
8.5.2 Mode Switching .............................................................................................................................. 649
8.5.3 Count Source ................................................................................................................................. 650
8.5.4 Input Capture Function ................................................................................................................... 650
8.5.5 Procedure for Setting Pins TRDIOAi, TRDIOBi, TRDIOCi, and TRDIODi (i = 0 or 1) ..................... 650
8.5.6 External clock TRDCLK0 ................................................................................................................ 650
8.5.7 Reset Synchronous PWM Mode .................................................................................................... 651
8.5.8 Complementary PWM Mode .......................................................................................................... 651
CHAPTER 9 REAL-TIME CLOCK ......................................................................................................... 656
9.1 Functions of Real-time Clock .................................................................................................... 656
9.2 Configuration of Real-time Clock ............................................................................................. 656
9.3 Registers Controlling Real-time Clock ..................................................................................... 658
9.3.1 Peripheral enable register 0 (PER0) ............................................................................................... 659
9.3.2 Operation speed mode control register (OSMC) ............................................................................ 660
9.3.3 Timer input select register 1 (TIS1) ................................................................................................ 661
9.3.4 Timer input select register 2 (TIS2) ................................................................................................ 662
9.3.5 RTC clock select register (RTCCL) ................................................................................................ 663
9.3.6 Real-time clock control register 0 (RTCC0) .................................................................................... 664
9.3.7 Real-time clock control register 1 (RTCC1) .................................................................................... 665
9.3.8 Second count register (SEC) .......................................................................................................... 667
9.3.9 Minute count register (MIN) ............................................................................................................ 667
9.3.10 Hour count register (HOUR) ......................................................................................................... 668
9.3.11 Day count register (DAY) .............................................................................................................. 670
9.3.12 Week count register (WEEK) ........................................................................................................ 671
9.3.13 Month count register (MONTH) .................................................................................................... 672
9.3.14 Year count register (YEAR) .......................................................................................................... 672
9.3.15 Watch error correction register (SUBCUD) ................................................................................... 673
9.3.16 16-bit watch error correction register (SUBCUDW) ...................................................................... 674
9.3.17 Alarm minute register (ALARMWM) ............................................................................................. 675
9.3.18 Alarm hour register (ALARMWH) ................................................................................................. 675
9.3.19 Alarm week register (ALARMWW) ............................................................................................... 675
9.4 Real-time Clock Operation ........................................................................................................ 677
9.4.1 Starting operation of real-time clock ............................................................................................... 677
9.4.2 Shifting to HALT/STOP mode after starting operation .................................................................... 678
9.4.3 Reading/writing real-time clock ....................................................................................................... 679
9.4.4 Setting alarm of real-time clock ...................................................................................................... 681
9.4.5 1 Hz output of real-time clock ......................................................................................................... 682

Renesas RL78 Series Specifications

General

Core	RL78
CPU Clock Speed	Up to 32 MHz
Flash Memory	Up to 512 KB
RAM	Up to 32 KB
Operating Voltage	1.6 V to 5.5 V
Low Power Modes	HALT, STOP, SNOOZE
CPU Architecture	16-bit
Temperature Range	-40°C to +85°C
Package	LQFP
Timers	16-bit timers
Communication Interfaces	UART, I2C, LIN
A/D Converter	12-bit