Hitachi H8S/2378, H8S/2378R Series Hardware Manual page 838

Bit Bit Name Initial Value
7 PSTOP 0
6 — 0
5 — 0
4 — 0
3 STCS 0
Rev. 1.0, 09/01, page 794 of 904
R/W Description
R/W ø Clock Output Disable
Controls ø output.
Normal Operation
0: ø output
1: Fixed high
Sleep Mode
0: ø output
1: Fixed high
Software Standby Mode
0: Fixed high
1: Fixed high
Hardware Standby Mode
0: High impedance
1: High impedance
All module clock stop mode
0: ø output
1: Fixed high
R/W Reserved
The initial value should not be changed.
— Reserved
—
These bits are always read as 0 and cannot be
modified.
R/W Frequency Multiplication Factor Switching Mode Select
Selects the operation when the PLL circuit frequency
multiplication factor is changed.
0: Specified multiplication factor is valid after transition
to software standby mode
1: Specified multiplication factor is valid immediately
after STC1 and STC0 bits are rewritten