SH7763 Datasheet, PDF (828/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 22 Realtime Clock (RTC)
22.3 Register Descriptions
Table 22.2 shows the RTC register configuration. Table 22.3 shows the register state in each
operating mode.
Table 22.2 Register Configuration
Register Name
Abbreviation R/W
Area P4
Address*
Area 7
Address*
Access
Size
64 Hz counter
R64CNT
R
H'FFF8 0000 H'1FF8 0000 8
Second counter
RSECCNT R/W H'FFF8 0004 H'1FF8 0004 8
Minute counter
RMINCNT R/W H'FFF8 0008 H'1FF8 0008 8
Hour counter
RHRCNT
R/W H'FFF8 000C H'1FF8 000C 8
Day-of-week counter
RWKCNT
R/W H'FFF8 0010 H'1FF8 0010 8
Day counter
RDAYCNT R/W H'FFF8 0014 H'1FF8 0014 8
Month counter
RMONCNT R/W H'FFF8 0018 H'1FF8 0018 8
Year counter
RYRCNT
R/W H'FFF8 001C H'1FF8 001C 16
Second alarm register RSECAR
R/W H'FFF8 0020 H'1FF8 0020 8
Minute alarm register RMINAR
R/W H'FFF8 0024 H'1FF8 0024 8
Hour alarm register
RHRAR
R/W H'FFF8 0028 H'1FF8 0028 8
Day-of-week alarm
register
RWKAR
R/W H'FFF8 002C H'1FF8 002C 8
Day alarm register
RDAYAR
R/W H'FFF8 0030 H'1FF8 0030 8
Month alarm register
RMONAR
R/W H'FFF8 0034 H'1FF8 0034 8
RTC control register 1 RCR1
R/W H'FFF8 0038 H'1FF8 0038 8
RTC control register 2 RCR2
R/W H'FFF8 003C H'1FF8 003C 8
RTC control register 3 RCR3
R/W H'FFF8 0050 H'1FF8 0050 8
Year alarm register
RYRAR
R/W H'FFF8 0054 H'1FF8 0054 16
Note: * P4 addresses are used when area P4 in the virtual address space is used, and area 7
addresses are used when accessing the register through area 7 in the physical address
space using the TLB.
Rev. 1.00 Oct. 01, 2007 Page 762 of 1956
REJ09B0256-0100