PRODUCT OVERVIEWS3C84E5/C84E9/P84E9

PIN DESCRIPTIONS

Table 1-1. S3C84E5/C84E9/P84E9 Pin Descriptions

 

Pin

Pin

Pin

 

Circuit

Pin

Share

 

Name

Type

Description

 

Type

Number

Pins

 

P0.0–P0.7

I/O

Bit programmable port; input or output mode

 

F

1-2

XTIN, XTOUT

 

 

 

selected by software; input or push-pull output.

 

D

38-43

TACAP

 

 

 

Software assignable pull-up resistor.

 

 

(1-8)

TACK

 

 

 

Alternately, can be used as I/O for Timer A,

 

 

 

T1CAP0

 

 

 

Timer 1(0,1). P0.0 and P0.1 can alternately be

 

 

 

T1OUT1

 

 

 

used for subsystem oscillator in/out mode

 

 

 

T1CK1

 

 

 

selected by software

 

 

 

T1CAP1

 

P1.0–P1.5

I/O

Bit programmable port; input or output mode

 

D

32-37

TAOUT

 

 

 

selected by software; input or push-pull output.

 

 

(37-42)

T1CK0

 

 

 

Software assignable pull-up resistor. Alternatively

 

 

 

T1OUT0

 

 

 

can be used as Timer A, Timer 1(0), UART,

 

 

 

TXD

 

 

 

Watch Timer Buzzer output.

 

 

 

RXD

 

P2.0–P2.7

I/O

Bit programmable port; input or output mode

 

D-1

13-20

INT0–INT7

 

 

 

selected by software; input or push-pull output.

 

 

(19-26)

 

 

 

 

Software assignable pull-up.

 

 

 

 

 

 

 

Alternately, can be used as inputs for external

 

 

 

 

 

 

 

interrupts INT0–INT7. (with noise filters and

 

 

 

 

 

 

 

interrupt controller)

 

 

 

 

 

P3.0–P3.7

I/O

Bit programmable port; input or output mode

 

E

24-31

ADC0–ADC7

 

 

 

selected by software; input or push-pull output.

 

 

(19-26)

 

 

 

 

Software assignable pull-up.

 

 

 

 

 

 

 

Alternately, can be used as analog inputs for A/D

 

 

 

 

 

 

 

converter modules.

 

 

 

 

 

P4.0–P4.5

I/O

Bit programmable port; input or output mode

 

D-1

10,11

INT8–INT10

 

 

 

selected by software; input or push-pull output.

 

D

3,4

TBPWM

 

 

 

Software assignable pull-up. Alternatively can be

 

 

44,21

 

 

 

 

used as Timer B, inputs for external interrupts

 

 

(16-17)

 

 

 

 

INT8–INT10. (with noise filters and interrupt

 

 

 

 

 

 

 

 

(9-10)

 

 

 

 

controller)

 

 

 

 

 

 

 

 

 

 

NOTE: Pin numbers shown in parentheses "( )" are for the 42-pin SDIP package.

 

 

 

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Samsung user manual PIN Descriptions, S3C84E5/C84E9/P84E9 Pin Descriptions Circuit Share, Type Description Number Pins