Samsung C8278X ユーザーズマニュアル
CONTROL REGISTERS
S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
4-34
P4CONH
— Port 4 Control Register (High Byte)
E9H
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
P4.7/SEG8 Configuration Bits
0 0
Input
mode
0
1
Input mode with pull-up resistor
1
0
Push-pull output mode
1
1
Alternative function (SEG8)
.5–.4
P4.6/SEG9 Configuration Bits
0 0
Input
mode
0
1
Input mode with pull-up resistor
1
0
Push-pull output mode
1
1
Alternative function (SEG9)
.3–.2
P4.5/SEG10 Configuration Bits
0 0
Input
mode
0
1
Input mode with pull-up resistor
1
0
Push-pull output mode
1
1
Alternative function (SEG10)
.1–.0
P4.4/SEG11 Configuration Bits
0 0
Input
mode
0
1
Input mode with pull-up resistor
1
0
Push-pull output mode
1
1
Alternative function (SEG11)