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PRODUCT OVERVIEW
PIN DESCRIPTIONS
Table 1-1. S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X Pin Descriptions
Pin
Pin
Names
Type
I/O
P0.0−P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P1.0
I/O
P1.1
P1.2
P1.3−P1.7
P2.0
I/O
P2.1−P2.7
I/O
P3.0−P3.7
I/O
P4.0−P4.7
P5.0−P5.7
P6.0−P6.3
1 - 6
Pin
Description
I/O port with bit-programmable pins;
Schmitt trigger input or push-pull, open-drain
output and software assignable pull-ups;
P0.0−P0.2 are alternately used for external
interrupt input(noise filters, interrupt enable
and pending control).
I/O port with bit-programmable pins;
Schmitt trigger input or push-pull, open-drain
output and software assignable pull-ups;
P1.3−P1.7 are alternately used for external
interrupt input(noise filters, interrupt enable
and pending control).
I/O port with bit-programmable pins;
Input or push-pull, open-drain output and
software assignable pull-ups.
I/O port with bit-programmable pins;
Input or push-pull, open-drain output and
software assignable pull-ups.
I/O port with bit-programmable pins;
Input or push-pull output and software
assignable pull-ups.
S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
Circuit
Type
E-4
18−20
E-4
29−33
H-10
H-8
35−41
H-8
42−49
H-9
50−57
58−64, 1
Pin
Shared
No.
Functions
INT0−INT2
21
T1CLK
22
TAOUT
23
TBOUT
24
CLKOUT
25
BUZ
26
SCK
27
SO
28
SI
INT3−INT7
SEG31/V
34
BLDREF
SEG30−SEG24
SEG23−SEG16
SEG15−SEG8
SEG7−SEG0
2−5
COM0−COM3
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