LM2088ECW-Z datasheet(4/11 Pages) TOPWAY

4 / 11 page

TOPWAY

LCD Module User Manual

LM2088ECW-Z

URL:

www.topwaydisplay.com

www.topwaysz.com

Document Name: LM2088ECW-Z-Manual-Rev0.1.doc

Page: 4 of 11

1.4 Terminal Functions

Pin No.

Name

I/O

Descriptions

K1&K4

VSS

Power

0V Power Supply, GND

VDD

Power

Positive Power Supply

Input

LCD Contrast Reference Input

/WR

Input

Write enable input, active LOW

/RD

Input

Read enable input, active LOW

/CS

Input

Chip Select Signal

/CS=LOW: Data IO is enabled

Input

Data Type Select

A0=H: command write, display data or cursor add read

A0=L: status flag read, display data or parameter write

/RES

Input

Reset Signal:

/RES = L, Reset the LCD Module

/RES = H, Normal Running

DB0

I/O

8-bit bi-directional data bus

DB7

/WAIT

Output

Wait signal (*1)

VOUT

Power

Power Booster Output for V0

BLA

Power

Positive Power Supply for LED backlight

BLK

Power

Negative Power Supply for LED backlight

SEL1

Input

80 mode or 68 mode selection(*2)

note:

*1.

If there is no read write activity, /WAIT will be in HZ state.

*2.

SEL1 fixed to low (80 mode) by internal Jumper JP8

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