Chapter 5 Serial Functions
108
5-4-3 Serial Interface Mode Registers

(1) Serial interface 0 mode register (SC0MD0)

Figure 5-4-3 Serial Interface 0 Mode Register 0 (SC0MD0: X'03F50', R/W)

Serial Interface Control Registers
(at reset: -00XX000)
01243
SC0MD0
SC0LNG0SC0LNG1SC0LNG2
SC0LNG0SC0LNG1SC0LNG2
SC0STE
SC0CE1
SC0DIR
SC0CE0
567
0
0
1
0
0
1
8 bit
7 bit
6 bit
5 bit
1
Transfer bit count
0
1
1
0
0
1
4 bit
3 bit
2 bit
1 bit
1
Receive data
input edge
SC0CE1SC0CE
0
0
1
Falling
Rising
Rising Falling
Falling
Rising
Transmit data
output edge
0
1
0
1
0
1
Disable start condition
Selection of synchronous
serial start condition
Enable start condition
SC0STE
0
1
MSB first
First bit to be transferred
LSB first
SC0DIR
0
1
Rising
Falling