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SN6A297

LCD Controller with Voice/Dual Tone Melody

Sonix Technology Co., Ltd 

SN6A297

LCD Controller with Voice/Dual Tone Melody

„ PIN ASSIGNMENT

Symbol

I/O

SEG1-SEG40 O

COM8-COM1

O

GND

I

P23-P20

I/O

P33-P30

I/O

P43-P40

O

VO

O

RESET

I

OSC

I

TEST

I

XIN,XOUT

VDD

I

VLCDR

VLC1, VLC2,

VLC3, VLC4

Function Description

Segment 1~40 for LCD driver.

Com8-Com1 for 8*40 LCD driver.

Negative power supply.

Bit 3 to bit 0 of IO port 2.

Bit 3 to bit 0 of IO port 3.

Bit 3 to bit 0 of IO port 4.

D/A current output.

Reset pin with internal pull low.

Oscillation component connection pin.

For testing only.

32768 Hz Crystal connection pins.

Positive power supply.

LCD voltage adjusting pin.

LCD voltage bias connection pins.

2

May 24, 2001

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