Copyright  ANPEC Electronics Corp.

Rev. A.6 - Dec., 2001

APT7846

www.anpec.com.tw

1

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.

Touch Screen Controller

Description

The APT7846 is enhance function of APT7843 added

battery and temperature monitor function and offer

of a bandgap reference voltage for system user. The

APT7846 Touch Screen Controller IC provides all the

screen driver , A/D converter and control circuits to

easily interface to 4 wire resistive touch screen.

The IC continually monitors the screen waiting for a

touch. When the screen touched , the IC performs

A/D converter to determine the location of touch.

Also , this device has 1 auxiliary input to A/D con-

verter , allowing for the measurement of other input

signal.

Applications

Features

Pin Assignment

Ordering Information

+Vcc

1

14

15

16

8

7

6

5

4

3

2

11

12

13

9

10

GND

Y-

X-

Y+

X+

DOUT

BUSY

DIN

DCLK

IN

+Vcc

CS

PENIRQ

APT7846

Temp. Range

Package Code

Package Code

N : SSOP

O : TSSOP

Temp. Range

I : - 40 to 85 C

Handling Code

TU : Tube

TR : Tape & Reel

°

Handling Code