PRODUCT OVERVIEW S3C84E5/C84E9/P84E9
1-6
PIN DESCRIPTIONS Table 1-1. S3C84E5/C84E9/P84E9 Pin Descriptions
Pin
Name Pin
Type Pin
Description Circuit
Type Pin
Number Share
Pins
P0.0–P0.7 I/O Bit programmable port; input or output mode
selected by software; input or push-pull output.
Software assignable pull-up resistor.
Alternately, can be used as I/O for Timer A,
Timer 1(0,1). P0.0 and P0.1 can alternately be
used for subsystem oscillator in/out mode
selected by software
F
D 1-2
38-43
(1-8)
XTIN, XTOUT
TACAP
TACK
T1CAP0
T1OUT1
T1CK1
T1CAP1
P1.0–P1.5 I/O Bit programmable port; input or output mode
selected by software; input or push-pull output.
Software assignable pull-up resistor. Alternatively
can be used as Timer A, Timer 1(0), UART,
Watch Timer Buzzer output.
D 32-37
(37-42) TAOUT
T1CK0
T1OUT0
TXD
RXD
P2.0–P2.7 I/O Bit programmable port; input or output mode
selected by software; input or push-pull output.
Software assignable pull-up.
Alternately, can be used as inputs for external
interrupts INT0–INT7. (with noise filters and
interrupt controller)
D-1 13-20
(19-26) INT0–INT7
P3.0–P3.7 I/O Bit programmable port; input or output mode
selected by software; input or push-pull output.
Software assignable pull-up.
Alternately, can be used as analog inputs for A/D
converter modules.
E 24-31
(19-26) ADC0–ADC7
P4.0–P4.5 I/O Bit programmable port; input or output mode
selected by software; input or push-pull output.
Software assignable pull-up. Alternatively can be
used as Timer B, inputs for external interrupts
INT8–INT10. (with noise filters and interrupt
controller)
D-1
D 10,11
3,4
44,21
(16-17)
(9-10)
INT8–INT10
TBPWM
NOTE: Pin numbers shown in parentheses "( )" are for the 42-pin SDIP package.