Table 11.2 RTC Registers (cont)
Initialization
Power-On Manual
Abbrevia-
tion
Standby Initial
Mode Value
Area 7
P4 Address Address
Access
Size
Name
R/W Reset
Reset
Month RMONCNT R/W Counts
counter
Counts
Counts Undefined H'FFC80018 H'1FC80018
8
Year
RYRCNT R/W Counts
Counts
Counts Undefined H'FFC8001C H'1FC8001C 16
counter
1
Second RSECAR R/W Initialized 1 Held
alarm
Held
Held
Held
Held
Undefined H'FFC80020 H'1FC80020
8
8
8
*
*
register
1
R/W Initialized 1 Held
Undefined H'FFC80024 H'1FC80024
*
*
Minute RMINAR
alarm
register
1
R/W Initialized 1 Held
Undefined H'FFC80028 H'1FC80028
*
*
Hour
RHRAR
alarm
register
1
R/W Initialized 1 Held
Undefined H'FFC8002C H'1FC8002C 8
*
*
Day-of- RWKAR
week
alarm
register
1
*
*
Day
alarm
register
RDAYAR R/W Initialized 1 Held
Held
Held
Undefined H'FFC80030 H'1FC80030
8
8
8
1
Month RMONAR R/W Initialized 1 Held
Undefined H'FFC80034 H'1FC80034
*
*
alarm
register
3
*
RTC
control
register
1
RCR1
RCR2
RCR3
RYRAR
R/W Initialized Initialized Held
H'00
H'09
H'00
H'FFC80038 H'1FC80038
4
R/W Initialized Initialized 2 Held
H'FFC8003C H'1FC8003C 8
*
*
RTC
control
register
2
RTC
control
R/W Initialized Held
Held
Held
H'FFC80050 H'1FC80050 8
register
5
*
3
Year
R/W Held
Held
Undefined H'FFC80054 H'1FC80054 16
alarm
register
5
*
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 SH7750R only
Rev. 6.0, 07/02, page 270 of 986
RENESAS [ RENESAS TECHNOLOGY CORP ]
