Pin Descriptions - Samsung S3C9444 User Manual

S3C9444/F9444_UM_REV1.10

PIN DESCRIPTIONS

Pin
In/Out
Name
P0.0–P0.2 I/O
P1.0–P1.1 I/O
P1.2 I
X X
–
IN, OUT
RESET I
V V
–
DD, SS
INT0–INT1 I
ADC0–ADC8 I
Table 1-1. S3C9444 Pin Descriptions
Pin Description
Bit-programmable I/O port for Schmitt trigger input or
push-pull output. Pull-up resistors are assignable by
software. Port0 pins can also be used as A/D converter
input, or external interrupt input.
Bit-programmable I/O port for Schmitt trigger input or
push-pull, open-drain output. Pull-up resistors or pull-down
resistors are assignable by software.
Schmitt trigger input port
Crystal/Ceramic, or RC oscillator signal for system clock.
Internal LVR or External RESET
Voltage input pin and ground
External interrupt input port
A/D converter input
PRODUCT OVERVIEW
Pin Share
Type Pins
ADC0–ADC2
E-1 INT0/INT1
X X
E-2
IN, OUT
B RESET
P1.0–P1.1
B P1.2
–
E-1 P0.0, P0.1
E-1 P0.0–P0.2
1-5