SH7709S Datasheet, PDF (454/807 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

13.1.4 RTC Register Configuration
Table 13.2 shows the RTC register configuration.
Table 13.2 RTC Registers
Name
Abbreviation R/W Initial Value
64-Hz counter
R64CNT
R
Undefined
Second counter
RSECCNT R/W Undefined
Minute counter
RMINCNT R/W Undefined
Hour counter
RHRCNT
R/W Undefined
Day of week counter
RWKCNT
R/W Undefined
Date counter
RDAYCNT R/W Undefined
Month counter
RMONCNT R/W Undefined
Year counter
RYRCNT
Second alarm register
RSECAR
Minute alarm register
RMINAR
Hour alarm register
RHRAR
Day of week alarm register RWKAR
Date alarm register
RDAYAR
Month alarm register
RMONAR
R/W Undefined
R/W Undefined^*
R/W Undefined^*
R/W Undefined^*
R/W Undefined^*
R/W Undefined^*
R/W Undefined^*
RTC control register 1
RCR1
R/W H'00
RTC control register 2
RCR2
R/W H'09
Note: * Only the ENB bits of each register are initialized.
Address
H'FFFFFEC0
H'FFFFFEC2
H'FFFFFEC4
H'FFFFFEC6
H'FFFFFEC8
H'FFFFFECA
H'FFFFFECC
H'FFFFFECE
H'FFFFFED0
H'FFFFFED2
H'FFFFFED4
H'FFFFFED6
H'FFFFFED8
H'FFFFFEDA
H'FFFFFEDC
H'FFFFFEDE
Access Size
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
Rev. 5.00, 09/03, page 410 of 760