ST8012 Просмотр технического описания (PDF) - Sitronix Technology Co., Ltd.

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Компоненты Описание

производитель

ST8012

Dot Matrix Lcd 120 Output LCD Common/Segment driver IC

Sitronix Technology Co., Ltd. 

3. PIN DESCRIPTION

ST8012

SYMBOL

I/O

DESCRIPTION

No of Num

COMSEG0-COMSEG119 O LCD drive output

120

V0~V4

P Power supply for LCD drive

5

L/R

I Display data shift direction selection

1

VDD

P Power supply for logic system (+2.5 to +5.5 V)

1

EIO2, EIO1

Input/output for chip selection at segment mode and FLM input output

I/O

2

function at com/seg mix mode or common mode

DI0-DI3

I Display data input at segment mode

4

XCK

I Clock input for taking display data at segment mode

1

XDISPOFF

I Control input for output of non-select level

1

I Latch pulse input for display data at segment mode/

LP

1

Shift clock input for shift register at common mode

FR

I AC-converting signal input for LCD drive waveform

1

XRST

I System Reset pin .When low level active.

1

The XRST L PULSE timing min value is 200us and max value is 0.5s

This is the parallel data input/serial data input switch terminal.

P/S

I P/S=”H”: Parallel data input.

1

P/S=”L”: Serial data input.

VSS

P Ground (0 V)

1

CAP1-

DC/DC voltage converter. Connect a capacitor between this terminal

O

1

and the CAP2- terminal.

CAP1+

DC/DC voltage converter. Connect a capacitor between this terminal

O

1

and the CAP1- terminal.

CAP2-

DC/DC voltage converter. Connect a capacitor between this terminal

O

1

and the CAP2- terminal.

CAP2+

DC/DC voltage converter. Connect a capacitor between this terminal

O

1

and the CAP2- terminal.

CAP3+

DC/DC voltage converter. Connect a capacitor between this terminal

O

1

and the CAP1- terminal.

CAP4+

DC/DC voltage converter. Connect a capacitor between this terminal

O

1

and the CAP2- terminal.

CAP5+

DC/DC voltage converter. Connect a capacitor between this terminal

O

1

and the CAP1- terminal.

VOUT

DC/DC voltage converter. Connect a capacitor between this terminal

O

1

and VSS.

This is the command mode select pin.

XCS

I

1

When XCS=”L” then write command to the LCD. See Figure1

V1.6

3/ 47

2004/09/08

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