h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 1080

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Register
SCR0—Serial Control Register 0
TDR0—Transmit Data Register 0
Rev. 5.00 Sep 22, 2005 page 1054 of 1136
REJ09B0257-0500
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
R/W
TIE
R/W
7
0
7
1
R/W
RIE
Operate in the same way as for the nomal SCI.
R/W
6
0
6
1
R/W
TE
R/W
5
0
5
1
Store serial transmit data
R/W
RE
Clock Enable 1 and 0
R/W
4
0
SCMR
H'FF7A
H'FF7B
SMIF
4
1
0
1
C/A, GM
SMR
MPIE
R/W
0
1
R/W
3
0
3
1
CKE1
SCR Setting
0
1
TEIE
SCI0, Smart Card Interface 0
R/W
SCI0, Smart Card Interface 0
R/W
2
0
CKE0
2
1
See the SCI
0
1
0
1
0
1
Operates as port I/O pin
Outputs clock as SCK
output pin
Operates as SCK output
pin, with output fixed low
Outputs clock as SCK
output pin
Operates as SCK output
pin, with output fixed high
Outputs clock as SCK
output pin
CKE1
R/W
R/W
1
0
SCK Pin Function
1
1
CKE0
R/W
R/W
0
0
0
1