h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 1074

• 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
SMR0—Serial Mode Register 0
Rev. 5.00 Sep 22, 2005 page 1048 of 1136
REJ09B0257-0500
Bit
Initial value
Read/Write
Communication Mode
0
1
Asynchronous mode
Synchronous mode
Character Length
R/W
C/A
0
1
7
0
8-bit data
7-bit data
Parity Enable
CHR
R/W
0
1
6
0
*1
Parity bit addition and checking disabled
Parity bit addition and checking enabled
Parity Mode
R/W
0
1
PE
5
0
Even parity
Odd parity
Stop Bit Length
0
1
1 stop bit: In transmission, a single 1 bit (stop bit)
is added to the end of a transmit character before
it is sent.
2 stop bits: In transmission, two 1 bits (stop bits)
are added to the end of a transmit character
before it is sent.
R/W
O/E
4
0
*4
*3
STOP
R/W
H'FF78
3
0
Multiprocessor Mode
0
1
Multiprocessor function disabled
Multiprocessor format selected
R/W
MP
2
0
*2
Clock Select 1 and 0
CKS1
R/W
0
1
1
0
0
1
0
1
/4 clock
/16 clock
/64 clock
CKS0
clock
R/W
0
0
SCI0