TOPWAY

LCD Module User Manual

LM6066

www.topwaysz.com

Document Name: 错误！未指定书签。

Page: 4 of 4

1.4

Terminal Functions

Pin

No.

Pin

Name

I/O

Descriptions

1

VOUT

Power Power Booster Output for V0

2

V0

Input

LCD Contrast Reference Input

3

VSS

Power 0V Power Supply, GND

4

VDD

Power Positive Power Supply

5

BUSY

Output Controller busy signal,

MCU should poll this signal before accessing the LCD module

6

NC

-

No connection (leave open)

7

/CS

Input

Chip Select Signal

/CS=LOW: Data IO is enabled

8

RS

Input

Register Select

RS=HIGH: data on DB0 to DB7 is display data

RS=LOW: data on DB0 to DB7 is control data

9

/WR

Input

Write enable input, active LOW

10

/RD

Input

Read enable input, active LOW

11

DB0

:

:

18

DB7

I/O

8-bit bi-directional data bus

19

/RST

Input

Reset Signal:

/RST = L, Reset the LCD Module

/RST = H, Normal Running

20

NC

-

No connection (leave open)

21,23,25

BLA

Power Positive Power Supply for LED backlight

22,24,26

BLK

Power Negative Power Supply for LED backlight

Note: For enable BUSY output, the REG[A0] D0, D1, D2 or D3 should be set to hi.