HD6475348R Datasheet, PDF (427/487 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

SMR—Serial Mode Register
Bit
Initial value
Read/Write
7
6
5
C/A
CHR
PE
0
0
0
R/W R/W R/W
H'FED8
4
3
2
O/E STOP
—
0
0
1
R/W R/W
—
SCI1
1
CKS1
0
R/W
0
CKS0
0
R/W
Clock Select
0 0 ø clock
0 1 ø/4 clock
1 0 ø/16 clock
1 1 ø/64 clock
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: Parity bit added.
Receive: Parity bit checked.
Character Length
0 8-Bit data length
1 7-Bit data length
Communication Mode
0 Asynchronous
1 Synchronous
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