Renesas F-ZTAT H8 Series Hardware Manual page 500

Appendix B Internal I/O Registers
TCW—Timer counter W
Bit : 7
TCW7
Initial value : 0
Read/Write : R/W
TMW—Timer mode register W
Bit :
7
⎯
Initial value :
1
⎯
Read/Write :
Clock select
Bit 2
CKS2
Note: TMW is an 8-bit read/write register that selects the input clock. Upon reset, TMW is
initialized to H'FF.
Rev.3.00 Jul. 19, 2007 page 474 of 532
REJ09B0397-0300
6 5
TCW6 TCW5
0 0
R/W R/W
6 5
⎯ ⎯
1 1
⎯ ⎯
Bit 1 Bit 0
CKS1 CKS0
0 0
0 0
0 1
0 1
1 0
1 0
1 1
1 1
H'91
(On-chip flash memory version only)
4 3
TCW4 TCW3
0 0
R/W R/W
Count value
H'92
(On-chip flash memory version only)
4 3
⎯ ⎯
1 1
⎯ ⎯
Internal clock: φ/64
0
Internal clock: φ/128
1
Internal clock: φ/256
0
Internal clock: φ/512
1
Internal clock: φ/1024
0
Internal clock: φ/2048
1
Internal clock: φ/4096
0
Internal clock: φ/8192 (initial value)
1
Flash memory
2 1
TCW2 TCW1
0 0
R/W R/W
Flash memory
2 1
CKS2 CKS1
1 1
R/W R/W
Description
0
TCW0
0
R/W
0
CKS0
1
R/W