h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 429

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Note:
Bit
2
1
0
Bit Name Initial Value R/W
CKS2
CKS1
CKS0
* Only 0 can be written, to clear the flag.
0
0
0
R/W
R/W
R/W
Description
Clock Select 2 to 0
Selects the clock source to be input to. The overflow
frequency for
000: /2 (frequency: 20.4 s)
001: /64 (frequency: 655.3 s)
010: /128 (frequency: 1.3 ms)
011: /512 (frequency: 5.2 ms)
100: /2048 (frequency: 20.9 ms)
101: /8192 (frequency: 83.8 ms)
110: /32768 (frequency: 335.5 ms)
111: /131072 (frequency: 1.34 s)
Rev. 3.00 Jan 25, 2006 page 377 of 872
= 25 MHz is enclosed in parentheses.
Section 15 Watchdog Timer (WDT)
REJ09B0286-0300