Hitachi H8/3937 Series Hardware Manual page 288

Table 10-10 Relation between n and Clock
n Clock
0 ø
0 ø /2*
W
2 ø/16
3 ø/64
Notes: 1. ø /2 clock is selected in active (medium- and high-speed) or sleep (medium- and high-
W
speed) mode.
2. ø clock is selected in subactive or subsleep mode. SCI3 can be used only when the
W
ø /2 is selected as the CPU operation clock in subactive or subsleep mode.
W
276
SMR Setting
CKS1
0
1 2
/ø 0
*
W
1
1
CKS0
0
1
0
1