
REJ03B0271-0100 Rev.1.00 Sep 15, 2009
Page 40 of 113
M16C/63 Group
4. Special Function Registers (SFRs)
Notes:
X: Undefined
1.
The blank areas are reserved. No access is allowed.
2.
Values after hardware reset, power-on reset, or voltage monitor 0 reset are as follows:
- 00000000b when a low-level signal is input to the CNVSS pin
- 00000010b when a high-level signal is input to the CNVSS pin
Values after voltage monitor 1 reset, voltage monitor 2 reset, software reset, watchdog timer reset, or oscillation stop detect reset are as follows:
- 00000000b when bits PM01 and PM00 in the PM0 register are 00b (single-chip mode).
- 00000010b when bits PM01 and PM00 in the PM0 register are 01b (memory expansion mode) or 11b (microprocessor mode).
Table 4.12
SFR Information (12/16) (1) Address
Register
Symbol
Reset Value
0340h
Second Data Register
TRHSEC
0000 0000b
0341h
Minute Data Register
TRHMIN
0000 0000b
0342h
Hour Data Register
TRHHR
0000 0000b
0343h
Day-of-the-Week Data Register
TRHWK
0000 0000b
0344h
Date Data Register
TRHDY
0000 0001b
0345h
Month Data Register
TRHMON
0000 0001b
0346h
Year Data Register
TRHYR
0000 0000b
0347h
Timer RH Control Register
TRHCR
0000 0100b
0348h
Timer RH Count Source Select Register
TRHCSR
0000 1000b
0349h
Clock Error Correction Register
TRHADJ
0000 0000b
034Ah
Timer RH Interrupt Flag Register
TRHIFR
XXX0 0000b
034Bh
Timer RH Interrupt Enable Register
TRHIER
0000 0000b
034Ch
Alarm Minute Register
TRHAMN
0000 0000b
034Dh
Alarm Hour Register
TRHAHR
0000 0000b
034Eh
Alarm Day-of-the-Week Register
TRHAWK
0XXX X000b
034Fh
Timer RH Protect Register
TRHPRC
00XX XXXXb
0350h
CEC Function Control Register 1
CECC1
XXXX X000b
0351h
CEC Function Control Register 2
CECC2
00h
0352h
CEC Function Control Register 3
CECC3
XXXX 0000b
0353h
CEC Function Control Register 4
CECC4
00h
0354h
CEC Flag Register
CECFLG
00h
0355h
CEC Interrupt Source Select Register
CISEL
00h
0356h
CEC Transmit Buffer Register 1
CCTB1
00h
0357h
CEC Transmit Buffer Register 2
CCTB2
XXXX XX00b
0358h
CEC Receive Buffer Register 1
CCRB1
00h
0359h
CEC Receive Buffer Register 2
CCRB2
XXXX X000b
035Ah
CEC Receive Follower Address Set Register 1
CRADRI1
00h
035Bh
CEC Receive Follower Address Set Register 2
CRADRI2
00h
035Ch
035Dh
035Eh
035Fh
0360h
Pull-Up Control Register 0
PUR0
00h
0361h
Pull-Up Control Register 1
PUR1
0000 0010b
0362h
Pull-Up Control Register 2
PUR2
00h
0363h
0364h
0365h
0366h
Port Control Register
PCR
0000 0XX0b
0367h
0368h
0369h
NMI/SD Digital Filter Register
NMIDF
XXXX X000b
036Ah
036Bh
036Ch
036Dh
036Eh
036Fh