HD64F3028F25 Datasheet, PDF (803/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

RTCNT—Refresh Timer Counter
H'EE029
DRAM interface
Bit
7
6
5
4
3
2
1
0
Initial value
Read/Write
0
0
0
0
0
0
0
0
R/W R/W R/W R/W R/W R/W R/W R/W
Incremented by internal clock selected
by bits CKS2 to CKS0 in RTMCSR
RTCOR—Refresh Time Constant Register
H'EE02A
DRAM interface
Bit
7
6
5
4
3
2
1
0
Initial value
1
1
1
1
1
1
1
1
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
RTCNT compare match period
Note: Only byte access can be used on this register.
Rev. 2.00, 09/03, page 771 of 890