S3C830A datasheet(7/45 Pages) SAMSUNG

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PRODUCT OVERVIEW

S3C830A/P830A

1-6

Table 1-1. S3C830A Pin Descriptions (Continued)

Names

Type

Description

Circuit

Type

Pin No.

Pins

COM0-COM3

Common signal output for LCD display

69-66

–

SEG0-SEG39

I/O

LCD segment signal output

H-41

65-26

P8-P4

BIAS

LCD power control

–

VLC0

VLC1

VLC2

LCD power supply

Voltage dividing resistors are assignable by

software

–

72-70

–

Main power supply

–

Main ground

–

VDDPLL0-1

–

PLL/IFC power supply

–

82, 76

–

VSSPLL

–

PLL/IFC ground

–

A/D converter power supply

–

OUT, XIN

–

Main oscillator pins for CPU oscillation

–

17, 18

–

TEST1,

TEST2

Test signal input pin

(Must be connected to V

SS)

–

19, 20

–

TEST3

Test signal output pin

(Must be remained to open)

–

LVREN

LVR enable pin

(Must be connected to V

DD or VSS)

–

RESET

System reset pin

–

Input pin for checking device power

Normal operation is high level and PLL/IFC

Operation is stopped at low power

B-5

–

EO0

PLL's phase error output0

A-2

–

EO1

PLL's phase error output1

A-2

–

VCOAM

VCOFM

External VCOAM/VCOFM signal inputs

B-4

78, 77

–

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