HD6475328-CP10 Datasheet, PDF (402/459 Pages) Hitachi Semiconductor – original Hitachi CMOS microcomputer unit (MCU)

SMR—Serial Mode Register
H'FFD8
SCI
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
C/A
CHR
PE
O/E STOP
—
CKS1 CKS0
0
0
0
0
0
1
0
0
R/W R/W R/W R/W R/W
—
R/W 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
393