Hardware manual

Rev. 3.0, 09/98, page 348 of 361
SMRSerial Mode Register H'FFD8 SCI0
Bit
Initial value
Read/Write
7
C/A
0
R/W
6
CHR
0
R/W
5
PE
0
R/W
0
CKS0
0
R/W
2
MP
0
R/W
1
CKS1
0
R/W
4
O/E
0
R/W
Clock select
0
0
1
1
1
ø clock
ø/4 clock
0 ø/16 clock
ø/64 clock
Multiprocessor mode
0
Multiprocessor function
disabled
1 Multiprocessor format selected
Stop bit length
0
One stop bit
1 Two stop bits
Parity mode
0
Even parity
1 Odd parity
Parity enable
0
Transmit: No parity bit added.
Receive: Parity bit not checked.
1 Transmit: No parity bit added.
Receive: Parity bit not checked.
Character length
0
8-bit data length
1 7-bit data length
Communication mode
0
Asynchronous
1 Synchronous
3
STOP
0
R/W