Hitachi H8S/2199 Hardware Manual page 1120

Single-chip microcomputer
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Pin Names
Circuit Diagram
P21/SO1
P22/SCK1
SCKO:
SCKI:
CKOE:
CKIE:
Rev. 1.0, 02/00, page 1118 of 1141
PUR21·
RD
TXE: Output control signal determined
by SCR and SMR
PUR22·
RD
CKIE
Transfer clock output
Transfer clock input
Transfer clock output control signal
determined by SMR and SCR
Transfer clock input control signal
determined by SMR and SCR
Pin States
At Reset
Hi-Z
SO1
PDR21
TXE
PCR21
Hi-Z
SCKO
PDR22
CKOE
PCR22
SCKI
Power-Down
Modes Other
Sleep
Than Sleep
Mode
Mode
Retained Pull-up MOS:
OFF
Subactive mode:
Functions
Other modes:
Hi-Z
Retained Pull-up MOS:
OFF
Subactive mode:
Functions
Other modes:
Hi-Z
When SCK1 is selected,
pin input should be fixed
high or low.

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