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Table 11.2 RTC Registers (cont)
Abbrevia-
Name
tion
R/W
Month
RMONCNT R/W Counts
counter
Year
RYRCNT
R/W Counts
counter
Second
RSECAR
R/W Initialized*
alarm
register
Minute
RMINAR
R/W Initialized*
alarm
register
Hour
RHRAR
R/W Initialized*
alarm
register
Day-of-
RWKAR
R/W Initialized*
week
alarm
register
Day
RDAYAR
R/W Initialized*
alarm
register
Month
RMONAR
R/W Initialized*
alarm
register
RTC
RCR1
R/W Initialized Initialized Held
control
register
1
RTC
RCR2
R/W Initialized Initialized*
control
register
2
RTC
RCR3
R/W Initialized Held
control
register
5
3*
Year
RYRAR
R/W Held
alarm
5
register*
Notes: *1 The ENB bit in each register is initialized.
*2 Bits other than the RTCEN bit and START bit are initialized.
*3 The value of the CF bit and AF bit is undefined.
*4 The value of the PEF bit is undefined.
*5 SH7751R only
Rev. 3.0, 04/02, page 266 of 1064
Initialization
Power-On
Manual
Standby
Reset
Reset
Mode
Counts
Counts
Counts
Counts
1
Held
Held
1
Held
Held
1
Held
Held
1
Held
Held
1
Held
Held
1
Held
Held
2
Held
Held
Held
Held
Initial
Value
P4 Address
Undefined
H'FFC80018 H'1FC80018 8
Undefined
H'FFC8001C H'1FC8001C 16
1
Undefined*
H'FFC80020 H'1FC80020 8
1
Undefined*
H'FFC80024 H'1FC80024 8
1
Undefined*
H'FFC80028 H'1FC80028 8
1
Undefined*
H'FFC8002C H'1FC8002C 8
1
Undefined*
H'FFC80030 H'1FC80030 8
1
Undefined*
H'FFC80034 H'1FC80034 8
3
H'00*
H'FFC80038 H'1FC80038 8
4
H'09*
H'FFC8003C H'1FC8003C 8
H'00
H'FFC80050 H'1FC80050 8
Undefined
H'FFC80054 H'1FC80054 16
Area 7
Access
Address
Size
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