Samsung S3P80C5 User Manual page 83

CONTROL REGISTERS
P1CONL
— Port 1 Control Register (Low Byte)
Bit Identifier
RESET Value RESET
Read/Write
Addressing Mode
.7–.6
.5–.4
.3–.2
.1–.0
4-20
.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 Invalid setting
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 Invalid setting
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 Invalid setting
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 Invalid setting
.5 .4
0 0
R/W R/W R/W
S3P80C5/C80C5/C80C8
EBH
.3 .2 .1
0 0 0
R/W R/W
Set 1
.0
0
R/W