ST8012 데이터 시트보기 (PDF) - Sitronix Technology Co., Ltd.

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ST8012

Dot Matrix Lcd 120 Output LCD Common/Segment driver IC

Sitronix Technology Co., Ltd. 

ST8012

Normally it inputs a frame inversion signal.

The LCD drive output pins' output voltage levels can be set using the shift register output signal and

the FR signal.

Table of truth-values is shown in "TRUTH TABLE" in Functional Operations.

DI3-DI0

Not used

Connect DI3-DI0 to VSS, not floating.

XCK

Not used

XCK is pulled down in common mode, so connect to VSS .

LCD drive output pins

COMSEG0

-COMSEG119

Corresponding directly to each bit of the shift register, one level (V0 V1, V4, or VSS) is selected

and output.

Table of truth-values is shown in "TRUTH TABLE" in Functional Operations.

Shift data Input/output pins for shift register

EIO1 is output pin when L/R is at Vss level “L”, EIO1 is input pin when L/R is at Vdd level “H”

When L/R=H, EIO1 is used as input pin, it will be connect to FLM.

When L/R=L, EIO1 is used as output pin, it won’t be connect to FLM.

ElO1, EIO2 EIO2 is input pin when L/R is at Vss level “L”, EIO1 is output pin when L/R is at Vdd level “H”

When L/R=H, EIO2 is used as output pin, it won’t be connect to FLM,

When L/R=L, EIO2 is used as input pin, it will be connect to FLM

Refer to “RELATIONSHIP BETWEEN THE DISPLAY DATA AND LCD DRIVE OUTPUT PINS” in

Functional Operations.

CAP1- DC/DC voltage converter. Connect a capacitor between this terminal and the CAP2- terminal.

CAP1+ DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1- terminal.

CAP2- DC/DC voltage converter. Connect a capacitor between this terminal and the CAP2- terminal.

CAP2+ DC/DC voltage converter. Connect a capacitor between this terminal and the CAP2- terminal.

CAP3+ DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1- terminal.

CAP4+ DC/DC voltage converter. Connect a capacitor between this terminal and the CAP2- terminal.

CAP5+ DC/DC voltage converter. Connect a capacitor between this terminal and the CAP1- terminal.

VOUT DC/DC voltage converter. Connect a capacitor between this terminal and VSS.

XCS

This is the command mode select pin. When XCS=”L” then write command to the LCD, when not

used the command mode then must fixed to Vdd . See Figure1

SID

The command data, when not used the command mode then must fixed to Vdd. See Figure1

SCLK The serial clock input, when not used the command mode then must fixed to Vdd. See Figure1

V1.6

10/47

2004/09/08

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