SMR31—Serial mode register 31
H'98
SCI31
Bit
7
6
5
PE31
0
4
3
2
1
0
COM31 CHR31
PM31 STOP31 MP31 CKS311 CKS310
Initial value
Read/Write
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Clock select
0
0
1
1
0
1
0
1
ø clock
øw/2 clock
ø/16 clock
ø/64 clock
Multiprocessor mode
0
Multiprocessor communication
function disabled
1
Multiprocessor communication
function enabled
Stop bit length
0
1
1 stop bit
2 stop bits
Parity mode
0
1
Even parity
Odd parity
Parity enable
0
1
Parity bit addition and checking disabled
Parity bit addition and checking enabled
Character length
0
1
8-bit data/5-bit data
7-bit data/5-bit data
Communication mode
0
1
Asynchronous mode
Synchronous mode
422
ETC [ ETC ]
