S3C72K8 Просмотр технического описания (PDF) - Samsung

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S3C72K8

The S3C72K8 singl-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM48 (Samsung Arrageable Microcontrollers)

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PRODUCT OVERVIEW

S3C72K8/P72K8

Table 1-1. S3C72K8 Pin Descriptions (Continued)

Pin Name

CIN0

CIN1

LCDSY

LCDCK

CLO

TCL0

TCLO0

SEG32–

SEG39

SEG0–

SEG31

COM0–

COM7

VLC1–VLC5

XIN, XOUT

XTIN,

XTOUT

VDD

VSS

RESET

TEST

Pin

Type

I

I/O

I/O

I/O

I/O

I/O

O

O

O

–

–

–

–

–

I

I

Description

2-channel comparator input.

CIN0: comparator input or external reference input

CIN1: comparator input only.

LCD synchronization clock output for display

expansion

LCD clock output for display expansion

Clock output

External clock input for timer/counter 0

Timer/counter 0 clock output

LCD segment signal output

LCD segment signal output

LCD common signal output

LCD power supply. Voltage dividing resistors are

assignable by mask option.

Crystal, ceramic or RC oscillator pins for system

clock.

Crystal oscillator pins for subsystem clock.

Main power supply

Ground

Chip reset signal input

Chip test signal input (must be connected to VSS)

Circuit

Type

F–4

Pin

Number

20

21

Share Pin

P1.0/INT0

P1.1/INT1

E–2

30

P3.2

E–2

E–2

E–2

E–2

H–11

H–6

31

32

33

34

75–

80,1,2

43–74

P3.3

P4.0

P4.1

P4.2

P5.0–P5.7

–

H–6

35–42

–

–

3–7

–

–

15, 14

–

–

17, 18

–

–

12

–

–

13

–

B

19

–

–

16

–

NOTE: Pull-up resistors for all I/O ports are automatically disabled if they are configured to output mode

1-6

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