S3P72E8 datasheet(5/27 Pages) SAMSUNG

Part #	S3P72E8

Description	The S3C72E8/P72E8 is a SAM47 core-based 4-bit CMOS single-chip microcontroller. It has a timer/counter and LCD drivers.

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Manufacturer	SAMSUNG [Samsung semiconductor]

Direct Link	http://www.samsung.com/Products/Semiconductor

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S3C72E8/P72E8

PRODUCT OVERVIEW

1-5

PIN DESCRIPTIONS

Table 1-1. Pin Descriptions

Pin Name

Type

Description

Circuit

Type

Number

Share Pin

P0.0 - P0.3

I

4-bit input port.

1 and 4-bit read, and test are possible.

Pull-up registers.

A-1

35-32

K0-K3

P1.0

P1.1

I

2-bit Input port.

1 and 4-bit read, and test are possible, 2-bit pull-up

resistors are assignable by software.

A-3

37

36

INT0

INT1

P2.0

P2.1

I/O

2-bit I/O port. 1 and 4-bit read/write, and test are

possible.

Each individual pin can be specified as input or

output.

2-bit pull-up resistors are assignable by software.

Pull-up resistors are automatically disabled for

output pins.

D

23

24

BUZ

CLO

P4.0

P4.1

P4.2

P5.0 - P5.3

I/O

4-bit I/O port. 1, 4, and 8-bit read/write, and test are

possible.

4-pin unit can be specified as input or output.

4-bit pull-up resistors are assignable by software.

Pull-up resistors are automatically disabled for

output pins.

Individual pins are software configurable as open-

drain or push-pull output.

E

E-1

29

30

31

25-28

TCL0

TCLO0

P6.0 - P6.3

I/O

4-bit I/O port. 1, 4,and 8-bit read/write, and test are

possible.

Each individual pin can be specified as input or

output.

4-bit pull-up resistors are assignable by software.

Pull-up resistors are automatically disabled for

output pins.

D-1

7-10

KS0 - KS3

P7.0 - P7.3

4-bit I/O port. 1, 4, and 8-bit read/write, and test are

possible.

4-pin unit can be specified as input or output.

4-bit pull-up resistors are assignable by software.

Pull-up resistors are automatically disabled for

output pins.

11-14

KS4 - KS7

P8.0 - P8.15

O

4-bit controllable output.

(Dual function as segment output pins)

H-9

42-57

SEG0 -

SEG15

SEG16-SEG59

LCD segment display signal output.

H-10

58-100

,1

-

SEG0 - SEG15

LCD segment display signal output.

H-9

42-57

P8.0 - P8.15

COM0 - COM8

LCD common signal output.

H-11

38-41

2-6

-

INT0 - INT1

I

External interrupts. The triggering edge for INT0,

and INT1 is selectable

37-36

P1.0 -P1.1

KS0 - KS7

I/O

Quasi-interrupt input for falling edge detection.

7-14

P6.0 - P7.3

K0 - K3

I

Vector interrupt input

K0 - K3: falling edge detection

35-32

P0.0 - P0.3

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