Samsung C8274X Manuel D’Utilisation
S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
CONTROL
REGISTER
4-35
P4CONL
— Port 4 Control Register (Low Byte)
EAH
Set 1, Bank 1
Bit
Identifier
.7 .6 .5 .4 .3 .2 .1 .0
Reset Value
0 0 0 0 0 0 0 0
Read/Write
R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode
Register addressing mode only
.7–.6
P4.3/SEG12 Configuration Bits
0 0
Input
mode
0
1
Input mode with pull-up resistor
1
0
Push-pull output mode
1
1
Alternative function (SEG12)
.5–.4
P4.2/SEG13 Configuration Bits
0 0
Input
mode
0
1
Input mode with pull-up resistor
1
0
Push-pull output mode
1
1
Alternative function (SEG13)
.3–.2
P4.1/SEG14 Configuration Bits
0 0
Input
mode
0
1
Input mode with pull-up resistor
1
0
Push-pull output mode
1
1
Alternative function (SEG14)
.1–.0
P4.0/SEG15 Configuration Bits
0 0
Input
mode
0
1
Input mode with pull-up resistor
1
0
Push-pull output mode
1
1
Alternative function (SEG15)