APT7843NI 查看數據表（PDF） - Anpec Electronics

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产品描述 (功能)

生产厂家

APT7843NI

Touch Screen Controller

Anpec Electronics 

APT7843

Touch Screen Controller

Description

Features

The APT7843 Touch Screen Controller IC provides all

the screen drive , A/D converter and control circuits

•

16 pin SSOP or TSSOP

to easily interface to 4 wire resistive touch screen. • Operates with four wire touch screen

The IC continually monitors the screen waiting for a

touch. When the screen touched , the IC performs

•

8-bit or 12 bit A/D converter

A/D converter to determine the location of touch. • Ratiometric Conversion eliminates screen

Also , this device has 2 auxiliary input to A/D con-

verter , allowing for the measurement of other inputs

calibration

such as battery voltage.

• 2 auxiliary analog inputs

• 4 wire serial interface

Applications

• Full power down control

• PDAs

• Handheld computer

• Touch-screen kiosks

Pin Assignment

+Vcc 1

X+ 2

Y+ 3

X- 4

Y- 5

GND 6

IN3 7

IN4 8

16 DCLK

15 CS

14 DIN

13 BUSY

12 DOUT

11 PENIRQ

10 +Vcc

9 VREF

Order Information

APT7843

Temp. Range

Package Code

Package Code

N : SSOP

Temp. Range

I : - 40 to 85 ° C

O : TSSOP

ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise

customers to obtain the latest version of relevant information to verify before placing orders.

Copyright  ANPEC Electronics Corp.

1

Rev. A.8 - Apr., 2002

www.anpec.com.tw

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