LM2088ECW-Z datasheet(8/11 Pages) TOPWAY

8 / 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: 8 of 11

4. Function Specifications

4.1

Adjusting the Display Contrast

A Variable-Resistor must be connected to the

LCD module for providing a reference to V0.

Adjusting the VR will result the change of

LCD display contrast.

The recommended value of VR is 25k to 50k

4.2

Resetting the LCD module

The LCD module should be initialized by hardware reset, using /RES terminal.

4.3

Jumper Functions

4.3.1

Interfacing Setting

Jumper

Function Description

JP9

JP8

Open

8080 mode selected <default>

Open

6800 mode selected

4.3.2

Clock Divider Setting

Jumper

Function Description

JP4

JP5

JP6

JP7

Open

1/4 clock divider <default>

Open

1/8 clock divider

Open

1/16 clock divider

4.4

Display Pixel Map

1,1

(D7)

2,1

(D6)

3,1

(D5)

4,1

(D4)

5,1

(D3)

- - -

316,1

(D4)

317,1

(D3)

318,1

(D2)

319,1

(D1)

320,1

(D0)

1,2

(D7)

2,2

(D6)

3,2

(D5)

4,2

(D4)

5,2

(D3)

- - -

316,2

(D4)

317,2

(D3)

318,2

(D2)

319,2

(D1)

320,2

(D0)

1,3

(D7)

2,3

(D6)

3,3

(D5)

4,3

(D4)

5,3

(D3)

- - -

316,3

(D4)

317,3

(D3)

318,3

(D2)

319,3

(D1)

320,3

(D0)

1,238

(D7)

2,238

(D6)

3,238

(D5)

4,238

(D4)

5,238

(D3)

- - -

316,238

(D4)

317,238

(D3)

318,238

(D2)

319,238

(D1)

320,238

(D0)

1,239

(D7)

2,239

(D6)

3,239

(D5)

4,239

(D4)

5,239

(D3)

- - -

316,239

(D4)

317,239

(D3)

318,239

(D2)

319,239

(D1)

320,239

(D0)

1,240

(D7)

2,240

(D6)

3,240

(D5)

4,240

(D4)

5,240

(D3)

- - -

316,240

(D4)

317,240

(D3)

318,240

(D2)

319,240

(D1)

320,240

(D0)

Pixel mapping (Top View)

Note:

*1.

Based on the top view of the LCD module,

the 1, 1 (x, y) pixel is the upper-left pixel;

the 320, 240 (x, y) pixel is the lower-right pixel.

*2.

For the details of memory mapping please refer to S1D13700 datasheet.

VSS

VDD

VOUT

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