TOPWAY

LCD Module User Manual

LM2088SFW-2C

URL:

www.topwaydisplay.com

www.topwaysz.com

Document Name: LM2088SFW-2C-Manual-Rev0.1

Page: 11 of 13

5.6

Touch screen controller command

Command /PENIRQ

/CS

D7

D6

D5

D4

D3

D2

D1

D0

HEX

Descriptions

CONTROL

REGISTER

(*1)

0

0

S

A2

A1

A0

MODE

SER/

DER

PD1

PD0

**

S: Start bit ,must be 1

A2-A0: Channel select bit

Mode:12 bit/8bit Conversation Selection Bit

SER/DFR: Signal –Enable/Differential Reference selection bit

PD1-PD0:Power Management Bits

Note:

*1 Control register set to 90H when panel touched(/PENIRQ=0,see /PEN Timing Diagram), Set to 93H or D3H to read the

conversation data

*2 For more details, please refer to datasheet of AD7843

/PEN Timing Diagram

Serial Data Sequence