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Samsung S3C8248 User Manual page 71

8-bit cmos

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CONTROL REGISTERS
P2CONL
— Port 2 Control Register (Low Byte)
Bit Identifier
RESET Value
RESET
Read/Write
Addressing Mode
.7–.6
.5–.4
.3–.2
.1–.0
4-26
.7
.6
0
0
R/W
R/W
Register addressing mode only
P2.3/ADC3
0
0
Input mode
0
1
Input mode, pull-up
1
0
Alternative function (ADC mode)
1
1
Output mode, push-pull
P2.2/ADC2
0
0
Input mode
0
1
Input mode, pull-up
1
0
Alternative function (ADC mode)
1
1
Output mode, push-pull
P2.1/ADC1
0
0
Input mode
0
1
Input mode, pull-up
1
0
Alternative function (ADC mode)
1
1
Output mode, push-pull
P2.0/ADC0
0
0
Input mode
0
1
Input mode, pull-up
1
0
Alternative function (ADC mode)
1
1
Output mode, push-pull
S3C8248/C8245/P8245/C8247/C8249/P8249
.5
.4
0
0
R/W
R/W
R/W
E7H
Set 1, Bank 0
.3
.2
.1
0
0
0
R/W
R/W
.0
0
R/W

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