PRODUCT OVERVIEW
S3C9484/C9488/F9488
Table 1-1. Pin Descriptions of 44-QFP and 42-SDIP (Continued)
Pin
Names
SEG0–18
Pin
Type
O
Pin Description
LCD segment display signal output pins
Circuit
Type
H-14
H-15
H-17
44 Pin
No.
27–44,
1
42 Pin
No.
31–42,
1–7
Shared
Functions
P4.0–P4.2
P2.0–P2.7
P4.3–P4.6
P3.0
P3.1/RXD
P3.2/TXD
P3.3/INT0
P1.7–P1.4
P0.4–P0.7
P1.3–P1.2
P1.1/BUZ
P1.0/TBPWM
P0.7/COM4
P0.6/COM5
P0.5/COM6
P0.4/COM7
P0.3
COM0–7
O
LCD common signal output pins
H-14
H-16
E-1
E-3
H-16
26–23
18–16
14
22–20
19
18-14
13
30–27
20–22
20–26
ADC0–8
I
A/D converter analog input channels
AV
REF
RXD
TXD
INT0
INT1
INT2
INT3
TAOUT
TACK
TACAP
BUZ
TBPWM
XT
IN
, XT
OUT
RESETB
I
I/O
O
I
A/D converter reference voltage
Serial data RXD pin for receive input and
transmit output (mode 0)
Serial data TXD pin for transmit output and
shift clock output (mode 0)
External interrupts.
H-17
H-17
H-15
D-5
D-4
D-5
D-4
D-4
E-3
E-3
E
B
15
43
44
1–4
19
5
6
7–10
P3.1/SEG16
P3.2/SEG17
P3.3/SEG18
P3.4/TAOUT
P3.5/TACK
P3.6/TACAP
P3.4/INT1
P3.5/INT2
P3.6/INT3
P1.1/ADC2
P1.0/ADC3
P0.0
P0.1
P0.2
O
I
I
O
O
I
O
I
Timer/counter(A) overflow output, or
Timer/counter(A) PWM output
Timer/counter(A) external clock input
Timer/counter(A) external capture input
Frequency output to buzzer
Timer(B) PWM output
Clock input and output pins for subsystem
clock
System reset signal input pin
2
3
4
20
19
10
11
12
8
9
10
24
23
16
17
18
1-8
SAMSUNG [ SAMSUNG SEMICONDUCTOR ]
