Serial Interface 1 Mode Registers - Panasonic F77G User Manual

11-2-5

Serial Interface 1 Mode Registers

Serial Interface1 Mode Register 0 (SC1MD0)
7 6
SC1MD0 SC1CE1 SC1REN
Figure 11-2-11
5 4 3 2
SC1TRN SC1DIR SC1STE
SC1LNG2
Serial Interface 1 Mode Register 0 (SC1MD0 : x'03F9A', R/W)
1 0
(At reset : 0 0 0 0 0 1 1 1 )
SC1LNG1 SC1LNG0
SC1LNG2
0
1
SC1STE
SC1DIR
SC1TRN
0
1
SC1REN
0
1
SC1CE1
Chapter 11 Serial Interface 0, 1
Synchronous serial
SC1LNG1 SC1LNG0
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
Control Registers
XI - 15