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3069RF-ZTAT Datasheet, PDF (869/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER
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. 5.0, 09/04, page 847 of 978