AR1010T-I/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

MFG CO.

AR1010T-I/ML

AR1000 Series Resistive Touch Screen Controller

Microchip Technology 

AR1000 SERIES RESISTIVE TOUCH SCREEN CONTROLLER

9.2 AR1000 Commands

TABLE 9-5: COMMAND SET SUMMARY

Command

Value

Command Description

0x10

0x12

0x13

0x14

0x20

0x21

0x22

0x23

0x28

0x29

0x2B

GET_VERSION

ENABLE_TOUCH

DISABLE_TOUCH

CALIBRATE_MODE

REGISTER_READ

REGISTER_WRITE

REGISTER_START_ADDRESS_REQUEST

REGISTERS_WRITE_TO_EEPROM

EEPROM_READ

EEPROM_WRITE

EEPROM_WRITE_TO_REGISTERS

9.3 AR1000 Command Descriptions

9.3.1 GET_VERSION – 0x10

Controller will return version number and type.

Send: <0x55><0x01><0x10>

Receive: <0x55><0x05><Response><0x10><Ver-

sion High><Version Low><Type>

where <Type>

REGISTER 9-1: GET_VERSION <TYPE> FORMAT

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

RS1

RS0

TP5

TP4

TP3

TP2

TP1

TP0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

bit 7-6

bit 5-0

RS<1:0>: Resolution of Touch Coordinates bits

00 = 8-bit

01 = 10-bit

10 = 12-bit

TP<5:0>: Type of Controller bits

001010 = ARA10

9.3.2 ENABLE_TOUCH – 0x12

Controller will send touch coordinate reports for valid

touch conditions.

Send: <0x55><0x01><0x12>

Receive: <0x55><0x02><Response><0x12>

9.3.3 DISABLE_TOUCH – 0x13

Controller will not send any touch coordinate reports. A

touch will, however, still wake-up the controller if

asleep.

Send: <0x55><0x01><0x13>

Receive: <0x55><0x02><Response><0x13>

 2009-2012 Microchip Technology Inc.

Preliminary

DS41393B-page 37

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