Hitachi H8S/2646 Hardware Manual page 1069

SCR0—Serial Control Register 0
Bit 7
TIE
Initial value 0
Read/Write R/W
TDR0—Transmit Data Register 0
Bit 7
Initial value 1
Read/Write R/W
6 5
RIE TE RE
0 0
R/W R/W R/W
Operate in the same way as for the nomal SCI.
6 5
1 1
R/W R/W
Store serial transmit data
H'FF7A SCI0, Smart Card Interface 0
4 3 2
MPIE TEIE
0 0 0
R/W R/W
Clock Enable 1 and 0
SCMR SMR SCR Setting
SMIF C/A, GM
CKE1
0
1 0 0
1
1
H'FF7B SCI0, Smart Card Interface 0
4 3
1 1
R/W R/W R/W
1 0
CKE1 CKE0
0 0
R/W R/W
SCK Pin Function
CKE0
See the SCI
0
Operates as port I/O pin
1
Outputs clock as SCK
output pin
0
Operates as SCK output
pin, with output fixed low
1
Outputs clock as SCK
output pin
0
Operates as SCK output
pin, with output fixed high
1
Outputs clock as SCK
output pin
2 1 0
1 1 1
R/W R/W
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