PRODUCT OVERVIEW S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
1-6
PIN DESCRIPTIONS

Table 1-1. S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X Pin Descriptions

Pin

Names Pin

Type Pin

Description Circuit

Type Pin

No. Shared

Functions

P0.0P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
I/O I/O port with bit-programmable pins;
Schmitt trigger input or push-pull, open-drain
output and software assignable pull-ups;
P0.0P0.2 are alternately used for external
interrupt input(noise filters, interrupt enable
and pending control).
E-4 1820
21
22
23
24
25
INT0INT2
T1CLK
TAOUT
TBOUT
CLKOUT
BUZ
P1.0
P1.1
P1.2
P1.3P1.7
I/O I/O port with bit-programmable pins;
Schmitt trigger input or push-pull, open-drain
output and software assignable pull-ups;
P1.3P1.7 are alternately used for external
interrupt input(noise filters, interrupt enable
and pending control).
E-4 26
27
28
2933
SCK
SO
SI
INT3INT7
P2.0
P2.1P2.7 I/O I/O port with bit-programmable pins;
Input or push-pull, open-drain output and
software assignable pull-ups.
H-10
H-8 34
3541 SEG31/VBLDREF
SEG30SEG24
P3.0P3.7 I/O I/O port with bit-programmable pins;
Input or push-pull, open-drain output and
software assignable pull-ups.
H-8 4249 SEG23SEG16
P4.0P4.7
P5.0P5.7
P6.0P6.3
I/O I/O port with bit-programmable pins;
Input or push-pull output and software
assignable pull-ups.
H-9 5057
5864, 1
25
SEG15SEG8
SEG7SEG0
COM0COM3