h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 965

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

SMR1—Serial Mode Register 1
SMR2—Serial Mode Register 2
SMR0—Serial Mode Register 0
Bit
Initial value
Read/Write
R/W
C/A
Communication mode
7
0
0
1
Asynchronous mode
Synchronous mode
Note: * When 7-bit data is selected, the MSB (bit 7) of TDR is not
Character length
CHR
R/W
0
1
6
0
8-bit data
7-bit data *
transmitted. Also, LSB-first/MSB-first selection is not available.
R/W
PE
Parity enable
5
0
0
1
Parity bit addition and checking disabled
Parity bit addition and checking enabled
R/W
O/E
Parity mode
4
0
0
1
Stop bit length
Even parity
Odd parity
0
1
STOP
Rev. 4.00 Jun 06, 2006 page 911 of 1004
R/W
H'FF88
H'FFA0
H'FFD8
1 stop bit
2 stop bits
3
0
Multiprocessor mode
0
1
Appendix B Internal I/O Registers
Multiprocessor function disabled
Multiprocessor format selected
R/W
MP
2
0
Clock select 1 and 0
CKS1
R/W
0
1
1
0
REJ09B0301-0400
0
1
0
1
/4 clock
/16 clock
/64 clock
CKS0
clock
R/W
0
0
SCI1
SCI2
SCI0