SPLC783A 查看數據表（PDF） - Unspecified

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产品描述 (功能)

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SPLC783A

16COM/80SEG Controller/Driver

Unspecified 

SPLC783A

4. SIGNAL DESCRIPTIONS

Mnemonic

PIN No.

Type

Description

VDD

49

I

Power input

VSS

34

I

Ground

OSC1

36

-

Both OSC1 and OSC2 are connected to resistor for internal oscillator circuit. For

OSC2

35

external clock operation, the clock is input to OSC1.

V1 - V5

37 - 41

I

Supply voltage for LCD driving.

E

48

I

A start signal for reading or writing data.

R/W

47

l RS

46

entia Only DB0-DB3

DB4 - DB7

fid e CLK1

s CLK2

on U M

D

50 - 53

54 - 57

42

43

44

45

C R SEG1 - SEG33

s E SEG34 - SEG80

lu IN COM1 - COM16

FSoruPnpARTM TEST

33 - 1

121 - 75

59 - 74

58

I

A signal for selecting read or write actions.

1: Read, 0: Write.

I

A signal for selecting registers.

1: Data Register (for read and write)

0: Instruction Register (for write),

Busy flag - Address Counter (for read).

I/O

Low 4-bit data

I/O

High 4-bit data

O

Clock to latch serial data D.

O

Clock to shift serial data D.

O

Switch signal to convert LCD waveform to AC.

O

Sends character pattern data corresponding to each common signal serially.

1: Selection, 0: Non-selection.

O

Segment signals for LCD.

O

Common signals for LCD.

I

TEST pin. This pin must be fixed to VDD or open.

© Sunplus Technology Co., Ltd.

5

Proprietary & Confidential

MAR. 10, 2005

Version: 1.4

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