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CHAPTER 21 RESET FUNCTION
User’s Manual U19780EJ2V0UD
558
Table 21-2. 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
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
00
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
Real-time counter control register 0 (RTCC0)
00H
Real-time counter control register 1 (RTCC1)
00H
Real-time counter
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 register (SFR) mounted depend on the product. See
3.2.3 Special function
registers (SFRs)
.