Datasheet

ManualsBrandsRENESAS ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller SSOP 30 8-Bit 10 MHz I/O number 21

671

672

673

674

675

676

677

678

679

680

78K0/Kx2-L CHAPTER 20 RESET FUNCTION

R01UH0028EJ0400 Rev.4.00 661

Sep 27, 2010

Table 20-2. Hardware Statuses After Reset Acknowledgment (2/4)

Hardware Status After Reset

Acknowledgment

Note 1

Clock operation mode select register (OSCCTL) 00H

Processor clock control register (PCC) 01H

Internal oscillation mode register (RCM) 80H

Main OSC control register (MOC) 80H

Main clock mode register (MCM) 00H

Oscillation stabilization time counter status register (OSTC) 00H

Oscillation stabilization time select register (OSTS) 05H

Peripheral enable register 0 (PER0) 00H

Timer counter 00 (TM00) 0000H

Capture/compare registers 000, 010 (CR000, CR010) 0000H

Mode control register 00 (TMC00) 00H

Prescaler mode register 00 (PRM00) 00H

Capture/compare control register 00 (CRC00) 00H

16-bit timer/event counter

Timer output control register 00 (TOC00) 00H

Timer counters 50, 51 (TM50, TM51) 00H

Compare registers 50, 51 (CR50, CR51) 00H

Timer clock selection registers 50, 51 (TCL50, TCL51) 00H

8-bit timer/event counters

50, 51

Mode control registers 50, 51 (TMC50, TMC51) 00H

Compare registers 00, 10, 01, 11 (CMP00, CMP10, CMP01, CMP11) 00H

Mode registers (TMHMD0, TMHMD1) 00H

8-bit timers H0, H1

Carrier control register 1 (TMCYC1)

Note 2

00H

Sub-count register (RSUBC) 0000H

Second count register (SEC) 00H

Minute count register (MIN) 00H

Hour count register (HOUR) 12H

Week count register (WEEK) 00H

Day count register (DAY) 01H

Month count register (MONTH) 01H

Year count register (YEAR) 00H

Watch error correction register (SUBCUD) 00H

Alarm minute register (ALARMWM) 00H

Alarm hour register (ALARMWH) 12H

Alarm week register (ALARMWW) 00H

Control register 0 (RTCC0) 00H

Control register 1 (RTCC1) 00H

Real-time counter

Control register 2 (RTCC2) 00H

Notes 1. During reset signal generation or oscillation stabilization time wait, only the PC contents among the hardware

statuses become undefined. All other hardware statuses remain unchanged after reset.

2. 8-bit timer H1 only.

Remark The special function registers (SFRs) mounted depend on the product. Refer to 3.2.3 Special function

registers (SFRs).