Download USER`S MANUAL - Dataman Programmers Ltd.

PRODUCT OVERVIEW
S3C9484/C9488/F9488
Table 1-2. Pin Descriptions of 32-SOP and 32-SDIP (Continued)
Pin
Names
Pin
Type
Pin Description
Circuit
Type
32 Pin
No.
Shared
Functions
SEG3–10
SEG15–18
O
LCD segment display signal output pins
H-14
H-15
H-17
17–28
P2.0–P2.7
P3.0
P3.1/RXD
P3.2/TXD
P3.3/INT0
COM0–3
O
LCD common signal output pins
H-14
16–13
P1.7–P1.4
ADC0–3
I
A/D converter analog input channels
E-1
E-3
12–9
P1.3–P1.2
P1.1/BUZ
P1.0/TBPWM
AVREF
I
A/D converter reference voltage
RXD
I/O
TXD
8
Serial data RXD pin for receive input and
transmit output (mode 0)
H-17
26
P3.1/SEG16
O
Serial data TXD pin for transmit output and
shift clock output (mode 0)
H-17
27
P3.2/SEG17
INT0
INT1
INT2
INT3
I
External interrupts.
H-15
D-5
D-4
28–31
P3.3/SEG18
P3.4/TAOUT
P3.5/TACK
P3.6/TACAP
TAOUT
O
Timer/counter(A) overflow output, or
Timer/counter(A) PWM output
D-5
29
P3.4/INT1
TACK
I
Timer/counter(A) external clock input
D-4
30
P3.5/INT2
TACAP
I
Timer/counter(A) external capture input
D-4
31
P3.5/INT3
BUZ
O
Frequency output to buzzer
E-3
10
P1.1/ADC2
TBPWM
O
Timer(B) PWM output
E-3
9
P1.0/ADC3
XTIN, XTOUT
I
O
Clock input and output pins for subsystem
clock
E
5
6
P0.0
P0.1
RESETB
I
System reset signal input pin
B
7
P0.2
1-10