Rev. 6.00, 08/04, page 592 of 628
TMW—Timer Mode Register W
H'F8
Watchdog Timer
Note:
This register is implemented on the H8/38124 Group only.
Bit
Initial value
Read/Write
7
1
6
1
5
1
3
CKS3
1
R/W
0
CKS0
1
R/W
2
CKS2
1
R/W
1
CKS1
1
R/W
4
1
Internal Clock Select
CDS3
Clock source
1
CDS2
0
CDS1
0
CDS0
0
φ
/64
1
0
0
1
φ
/128
1
0
1
0
φ
/256
1
0
1
1
φ
/512
1
1
0
0
φ
/1024
1
1
0
1
φ
/2048
1
1
1
0
φ
/4096
1
1
1
1
φ
/8192
0
*
*
*
On-chip oscillator
Note: Valid when WDCKS bit in PMR2 register is cleared to 0.
Summary of Contents for H8/38024 Series
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Page 661: ...H8 38024 H8 38024S H8 38024F ZTAT H8 38124 Group Hardware Manual...