P1Conl Port 1 Control Register (Low Byte) - Samsung S3F80JB User Manual

8-bit cmos microcontrollers
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S3F80JB
P1CONL
— Port 1 Control Register (Low Byte)
Bit Identifier
Reset Value
Read/Write
Addressing Mode
.7 and .6
.5 and .4
.3 and .2
.1 and .0
.7
.6
0
0
R/W
R/W
Register addressing mode only
P1.3 Mode Selection Bits
0
0
C-MOS input mode
0
1
Open-drain output mode
1
0
Push-pull output mode
1
1
C-MOS input with pull up mode
P1.2 Mode Selection Bits
0
0
C-MOS input mode
0
1
Open-drain output mode
1
0
Push-pull output mode
1
1
C-MOS input with pull up mode
P1.1 Mode Selection Bits
0
0
C-MOS input mode
0
1
Open-drain output mode
1
0
Push-pull output mode
1
1
C-MOS input with pull up mode
P1.0 Mode Selection Bits
0
0
C-MOS input mode
0
1
Open-drain output mode
1
0
Push-pull output mode
1
1
C-MOS input with pull up mode
.5
.4
.3
0
0
R/W
R/W
R/W
CONTROL REGISTERS
EBH Set1 Bank0
.2
.1
0
0
0
R/W
R/W
.0
0
R/W
4-25

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