LM13232BCW datasheet(4/14 Pages) TOPWAY

4 / 14 page

TOPWAY

LCD Module User Manual

LM13232BCW

URL: www.topwaydisplay.com

www.topwaysz.com

Document Name: LM13232BCW-Manual-Rev0.1

Page: 4 of 14

2. Terminal Functions

NO.

Name

I/O

Descriptions

8-bit parallel

8080 mode

8-bit parallel

6800 mode

Serial mode

/CS1

Input

Chip Select

/CS1=L, enable access to the LCD module

/CS1=H, disable access to the LCD module

/RES

Input

Reset signal

/RES = L, Initialization is executed

/RES = H, Normal running.

Input

A0 = H, Transferring the Display Data

A0 = L, Transferring the Control Data

/WR

(R/W)

Input

/WR=L H, /RD=H;

Data or Instruction

latch into the LCD

module

R/W=H,E=H;

Data or Status read

from the LCD module

R/W=L,E=H L;

Data or Status latch

into the LCD module

Not used,

Leave open or pull

/RD

(E)

Input

/WR=H, /RD=L;

Data or Status read

form the LCD module

I/O

8-bit Data bus;

Three state I/O terminal for display data or

instruction data

when /CS=H,

D0~D7=High Impedance

Not used,

Leave open

I/O

D6(SCL)

I/O

Serial clock input

D7(SI)

I/O

Serial data input

VDD

Supply

Positive power supply

VSS

Supply

Negative power supply,0V

VOUT

Power Booster Circuit output

C3P

Power Booster Circuit Capacitance terminals

C1N

C1P

C2P

C2N

C4P

VRS

Internal output VREG power supply (leave open)

LCD driving voltage supply terminals

Input

Power Booster Resistor ratio reference input

C86

Input

C86=Low

C86=High

C86=Low

P/S

Input

P/S=High

P/S=Low

IRS

Input

Select the resistors for the V0 voltage level adjustment

IRS=H, Using the internal resistors

IRS=L, Using external attached to the VR Terminal

BLA

Power

Backlight Positive Supply

BLK

Power

Backlight Negative Supply

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