HD6433802H Datasheet, PDF (118/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

Bits 1 and 0: Subactive mode clock select (SA1 and SA0)
These bits select the CPU clock rate (ø_W/2, ø_W/4, or ø_W/8) in subactive mode. SA1 and SA0
cannot be modified in subactive mode.
Bit 1
SA1
0
0
1
Bit 0
SA0
0
1
*
Description
ø_W/8
ø_W/4
ø_W/2
(initial value)
* : Don’t care
100