HD6473887 Datasheet, PDF (439/523 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

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