Serial Interface 0 Mode Registers - Panasonic F77G User Manual

Chapter 11 Serial Interface 0, 1
11-2-3

Serial Interface 0 Mode Registers

Serial Interface 0 Mode Register 0 (SC0MD0)
7 6
SC0MD0 SC0CE1 SC0REN
Figure 11-2-3
XI - 8
Control Registers
5 4 3 2
SC0TRN SC0DIR SC0STE
SC0LNG2
Serial Interface 0 Mode Register 0 (SC0MD0 : x'03F92', R/W)
1 0
(At reset : 0 0 0 0 0 1 1 1 )
SC0LNG1 SC0LNG0
SC0LNG2
0
1
SC0STE
SC0DIR
SC0TRN
0
1
SC0REN
0
1
SC0CE1
Synchronous serial
SC0LNG1 SC0LNG0
transfer bit count
0 1bit
0
1
2bit
0 3bit
1
4bit
1
5bit
0
0
6bit
1
7bit
0
1
1
8bit
Synchronous serial transfer
start condition
0 Disable start condition
1 Enable start condition
First bit to be transferred
MSB first
0
LSB first
1
Transmission data
polarity change
Positive
Negative
Reception data
polarity change
Positive
Negative
Transmission data Reception data
output edge input edge
0 falling rising
1
rising falling