Samsung C8274X Manuel D’Utilisation

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S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X  
 
CONTROL 
REGISTER 
  
4-29 
P2CONL
 — Port 2 Control Register (Low Byte) 
EBH 
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 
P2.3/SEG28 Configuration Bits 
 
0 0 
Input 
mode 
 
N-channel open-drain output mode 
 
Push-pull output mode 
 
Alternative function (SEG28) 
 
.5–.4 
P2.2/SEG29 Configuration Bits 
 
0 0 
Input 
mode 
 
N-channel open-drain output mode 
 
Push-pull output mode 
 
Alternative function (SEG29) 
 
.3–.2 
P2.1/SEG30 Configuration Bits 
 
0 0 
Input 
mode 
 
N-channel open-drain output mode 
 
Push-pull output mode 
 
Alternative function (SEG30) 
 
.1–.0 
P2.0/SEG31/V
BLDREF
 Configuration Bits 
 
0 0 
Input 
mode 
 
N-channel open-drain output mode 
 
Push-pull output mode 
 
1 1 
Alternative function (SEG31 or V
BLDREF