Advertisement
S3C8248/C8245/P8245/C8247/C8249/P8249
Table 1-1. S3C8248/C8245/C8247/C8249 Pin Descriptions (Continued)
Pin
Pin
Names
Type
ADC0–ADC6
ADC7
AV
REF
AV
SS
INT0–INT7
RESET
TEST
SDAT, SCLK
O
V
V
DD,
SS
X
X
OUT,
IN
SCK, SO, SI
I/O
V
VLDREF
TACAP
TACLK
TAOUT/TAPWM
O
TBPWM
O
T1CAP
T1CLK
T1OUT/T1PWM
O
COM0–COM3
O
SEG0–SEG15
O
SEG16–SEG23
O
SEG24–SEG31
O
V
–V
O
LC0
LC2
BUZ
O
CA, CB
Description
I
A/D converter analog input channels
–
A/D converter reference voltage
–
A/D converter ground
I
External interrupt input pins
I
System reset pin
(pull-up resistor: 250 kΩ)
I
0 V: Normal MCU operating
5 V: Test mode
12 V: for OTP writing
Serial OTP interface pins; serial data
and clock
–
Power input pins for CPU operation
(internal) and Power input for OTP
Writing
–
Main oscillator pins
Serial I/O interface clock signal
I
Voltage detector reference voltage
input
I
Timer A Capture input
I
Timer A External clock input
Timer A output and PWM output
Timer B PWM output
I
Timer 1 Capture input
I
Timer 1 External clock input
Timer 1 output and PWM output
LCD common signal output
LCD segment output
LCD segment output
LCD Segment output
LCD power supply
0.5, 1, 2 or 4 kHz frequency output for
buzzer sound with 4.19 MHz main
system clock or 32768 Hz subsystem
clock
–
Capacitor terminal for voltage booster
Pin
PRODUCT OVERVIEW
Circuit
Pin
Type
Numbers
F–10
36–42
F–18
43
–
44
–
45
D–4
20–27
B
19
–
16
D–2
10, 11
–
12, 13
–
14, 15
E–2
33–35
F–18
43
D–2
10
D–2
9
D–2
8
D–2
7
E–2
28
E–2
29
E–2
30
H
51–54
H
55–70
H–14
71–78
H–14
79–6
–
48–50
E–2
32
–
46–47
Share
(note)
Pins
P2.0–P2.6
P2.7
–
–
P0.0–P0.7
–
–
P3.3, P3.4
–
–
P1.5–P1.7
P2.7
P3.3
P3.2
P3.1
P3.0
P1.0
P1.1
P1.2
–
–
P4.0–P4.7
P5.0–P5.7
–
P1.4
–
1-7
Advertisement
