PRODUCT OVERVIEW S3C8245/P8245/C8249/P8249
1-6
PIN DESCRIPTIONS
Table 1-1. S3C8245/C8249 Pin Descriptions
Pin
Names Pin
Type Pin
Description Circuit
Type Pin
Numbers (note) Share
Pins
P0.0–P0.7 I/O I/O port with bit programmable pins;
Schmitt trigger input or output mode
selected by software; software assignable
pull-up. P0.0–P0.7 can be used as inputs
for external interrupts INT0–INT7
(with noise filter and interrupt control).
D–4 20–27 INT0–INT7
P1.0–1.7 I/O I/O port with bit programmable pins; Input
or output mode selected by software;
Open-drain output mode can be selected
by software; software assignable pull-up.
Alternately P1.0–P1.7 can be used as SI,
SO, SCK, BUZ, T1CAP, T1CLK, T1OUT,
T1PWM
E–2 28-35 SI, SO, SCK,
BUZ, T1CAP
T1CLK
T1OUT
T1PWM
P2.0–P2.7 I/O I/O port with bit programmable pins;
normal input and AD input or output mode
selected by software; software assignable
pull-up.
F–10
F–18 36–42,
43 ADC0–ADC6
VVLDREF
(ADC7)
P3.0–P3.4 I/O I/O port with bit programmable pins. Input
or push-pull output with software
assignable pull-up. Alternately P3.0–P3.3
can be used as TACAP, TACLK, TAOUT,
TAPWM, TBPWM
D–2 7–11 TACAP
TACLK
TAOUT
TAPWM
TBPWM
P4.0–P4.7 I/O I/O port with bit programmable pins. Push-
pull or open drain output and input with
software assignable pull-up.
P4.0–P4.7 can alternately be used as
outputs for LCD SEG
H–14 71–78 SEG16–SEG23
P5.0–P5.7 I/O I/O port with bit programmable pins. Push-
pull or open drain output and input with
software assignable pull-up.
P5.0–P5.7 can alternately be used as
outputs for LCD SEG.
H–14 79–6 SEG24–SEG31