Table of Contents
Advertisement
SMR—Serial Mode Register
7
Bit
C/A
Initial value
0
Read/Write
R/W
Communication mode (for serial communication interface)
Asynchronous mode
0
1
Synchronous mode
GSM mode (for smart card interface)
TEND flag is set 12.5 etu * after start bit
0
TEND flag is set 11.0 etu * after start bit
1
Note: * etu: Elementary time unit (time required to transmit one bit)
6
5
CHR
PE
0
0
R/W
R/W
Parity mode
Parity enable
Parity bit is not added or checked
0
1
Parity bit is added and checked
Character length
8-bit data
0
1
7-bit data
H'FFFB0
4
3
O/E
STOP
0
0
R/W
R/W
R/W
Multiprocessor mode
0
Multiprocessor function disabled
Multiprocessor format selected
1
Stop bit length
One stop bit
0
1
Two stop bits
Even parity
0
1
Odd parity
SCI0
2
1
MP
CKS1
CKS0
0
0
R/W
R/W
Clock select 1 and 0
Bit 1
Bit 0
Clock Source
CKS1
CKS0
φ clock
0
0
φ/4 clock
1
φ/16 clock
0
1
φ/64 clock
1
0
0
879
Advertisement
Table of Contents
