HD6433832S Datasheet, PDF (491/560 Pages) Renesas Technology Corp – single-chip microcomputers

SMR—Serial mode register
H'A8
SCI3
Bit
Initial value
Read/Write
7
6
5
COM CHR
PE
0
0
0
R/W R/W R/W
4
3
2
1
0
PM STOP MP CKS1 CKS0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
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 adding and checking disabled
1 Parity bit adding and checking enabled
Character length
0 8-bit data
1 7-bit data
Communication mode
0 Asynchronous mode
1 Synchronous mode
Clock select 0, 1
0 0 φ clock
1 φ /4 clock
1 0 φ /16 clock
1 φ /64 clock
BRR—Bit rate register
H'A9
SCI3
Bit
Initial value
Read/Write
7
BRR7
1
R/W
6
BRR6
1
R/W
5
BRR5
1
R/W
4
BRR4
1
R/W
3
BRR3
1
R/W
2
BRR2
1
R/W
1
BRR1
1
R/W
0
BRR0
1
R/W
476