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CONTROL REGISTERS
P3CONL
— Port 3 Control Register (Low Byte)
Bit Identifier
RESET Value
Read/Write
Addressing Mode
.7–.6
.5–.4
.3–.3
.1–.0
4-28
.7
.6
0
0
R/W
R/W
Register addressing mode only
P3.3/ SEG7 Configration Bits
0
0
Input mode
0
1
Input mode with pull-up
1
0
Push-pull output mode
1
1
N-channel open-drain output
P3.2/ SEG6 Configration Bits
0
0
Input mode
0
1
Input mode with pull-up
1
0
Push-pull output mode
1
1
N-channel open-drain output
P3.1/ SEG5 Configration Bits
0
0
Input mode
0
1
Input mode with pull-up
1
0
Push-pull output mode
1
1
N-channel open-drain output
P3.0/ SEG4 Configration Bits
0
0
Input mode
0
1
Input mode with pull-up
1
0
Push-pull output mode
1
1
N-channel open-drain output
.5
.4
0
0
R/W
R/W
R/W
S3C84I8/F84I8/C84I9/F84I9
EFH
.3
.2
.1
0
0
0
R/W
R/W
Set 1, Bank0
.0
0
R/W
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