SH7032 Datasheet, PDF (645/687 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Appendix A On-Chip Supporting Module Registers
A.2.47 Refresh Timer Control/Status Register (RTCSR)
BSC
Start Address: H'5FFFFAE
Bus Width: 8/16/32 (read), 16 (write)
Bit
Initial value
Read/Write
15
14
13
12
11
10
9
8
—
—
—
—
—
—
—
—
0
0
0
0
0
0
0
0
—
—
—
—
—
—
—
—
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
CMF CMIE CKS2 CKS1 CKS0
—
—
—
0
0
0
0
0
0
0
0
R/W R/W R/W R/W R/W
—
—
—
Table A.48 RSTCR Bit Functions
Bit Bit Name
Value Description
7 Compare match flag (CMF) 0
RTCNT and RTCOR values do not match(Initial value)
Clear Condition: CMF read, then 0 written in CMF
1
RTCNT and RTCOR values match
6 Compare match interrupt 0
enable (CMIE)
1
Compare match interrupt (CMI) disabled (Initial value)
Compare match interrupt (CMI) enabled
5–3 Clock select 2–0 (CKS2–
CKS0)
0 0 0 Clock input disabled
0 0 1 φ/2
(Initial value)
0 1 0 φ/8
0 1 1 φ/32
1 0 0 φ/128
1 0 1 φ/512
1 1 0 φ/2048
1 1 1 φ/4096
Rev. 7.00 Jan 31, 2006 page 619 of 658
REJ09B0272-0700