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CONTROL REGISTERS S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
4-32
P3CONL — Port 3 Control Register (Low Byte) EEH Set 1, Bank 0
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 P3.3/SEG20 Configuration Bits
0 0 Input mode
0 1 N-channel open-drain output mode
1 0 Push-pull output mode
1 1 Alternative function (SEG20)
.5–.4 P3.2/SEG21 Configuration Bits
0 0 Input mode
0 1 N-channel open-drain output mode
1 0 Push-pull output mode
1 1 Alternative function (SEG21)
.3–.2 P3.1/SEG22 Configuration Bits
0 0 Input mode
0 1 N-channel open-drain output mode
1 0 Push-pull output mode
1 1 Alternative function (SEG22)
.1–.0 P3.0/SEG23 Configuration Bits
0 0 Input mode
0 1 N-channel open-drain output mode
1 0 Push-pull output mode
1 1 Alternative function (SEG23)