APT7846 查看數據表（PDF） - Anpec Electronics

零件编号

产品描述 (功能)

生产厂家

APT7846

Touch Screen Controller

Anpec Electronics 

APT7846

Features

• 16 Pin SSOP or TSSOP

• Operates With Four Wire Touch Screen

• 8-Bit or 12-Bit A/D Converter

• Ratiometric Conversion Eliminates Screen

 Calibration

• 1 Auxiliary Analog Input

• Full Power Down Control

• Internal Bandgap Reference

• Serial Interface To Microprocessor

Applications

• PDAs

• Hand held computer

• Touch-screen mobile phone

• Protable electronic dictionary

• Smart IA

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.

Pin Assignment

+Vcc 1

X+ 2

Y+ 3

X- 4

Y- 5

GND 6

V*)6 7

IN 8

16 DCLK

15 CS

14 DIN

13 BUSY

12 DOUT

11 PENIRQ

10 +Vcc

9 V4-.

Ordering Information

APT7846

Handling Code

Temp. Range

Package Code

Package Code

N : SSOP

Temp. Range

I : - 40 to 85°C

Handling Code

TU : Tube

O : TSSOP

TR : Tape & Reel

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.6 - Dec., 2001

www.anpec.com.tw

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