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XI - 19
Chapter 11 Serial Interface 0, 1
Control Registers
Serial Interface 1 Port Control Register (SC1ODC)
Figure 11-2-15 Serial Interface 1 Port Control Register (SC1ODC : x'03F9E', R/W)
0124
567
3
SC1ODC
SC1ODC0SC1ODC1
Reseved
-
-
0
1
Push-pull
P00 N ch open-drain control
N ch open-drain
SC1ODC0
0
1
Push-pull
P02 N ch open-drain control
N ch open-drain
SC1ODC1
SC1SEL
SC1ODC3 SC1ODC2
0
1
Push-pull
P73 N ch open-drain control
N ch open-drain
SC1ODC2
0
1
Push-pull
P75 N ch open-drain control
N ch open-drain
SC1ODC3
Set always to "0"
Reserved
0
1
Port 0 I/O
Serial 1 I/O pin switch
Port 7 I/O
SC1SEL
(At reset : 0 0 - - 0 0 0 0 )
When port 7 is used as a pin for serial interface 1 and port 0 is used as the general port, P00
or P02 should be used as input port.