hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 654

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Registers
TMW—Timer Mode Register W
Note: This register is implemented on the H8/38124 Group only.
Bit
Initial value
Read/Write
Rev. 7.00 Mar 10, 2005 page 612 of 652
REJ09B0042-0700


7
1
Note: Valid when WDCKS bit in PMR2 register is cleared to 0.
Internal Clock Select
CDS3
1
1
1
1
1
1
1
1
0


6
1
CDS2
0
0
0
0
1
1
1
1
*


5
1
CDS1
0
0
1
1
0
0
1
1
*


4
1
CDS0
0
1
0
1
0
1
0
1
*
CKS3
R/W
φ/64
φ/128
φ/256
φ/512
φ/1024
φ/2048
φ/4096
φ/8192
On-chip oscillator
3
1
H'F8
CKS2
R/W
2
1
Clock source
CKS1
R/W
1
1
Watchdog Timer
CKS0
R/W
0
1