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STE2002| Datasheet

By datasheet - April 3rd, 2008

STE2002, STE2002DIE2

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STE2002
81 x 128 single-chip LCD controller/driver
Features

Eight selectable temperature compensation coefficients

104 x 128 bits Display Data RAM Programmable MUX rate Programmable frame rate X,Y Programmable carriage return Dual partial display mode Row by Row Scrolling Automatic data RAM Blanking procedure Selectable Input interface: I2C Bus Fast and Hs-mode (read and write) Parallel Interface (read and write) Serial Interface (read and write) Fully Integrated oscillator requires no external components CMOS compatible inputs Fully integrated configurable LCD bias voltage generator with: Selectable multiplication factor (up to 6X) Effective sensing for High Precision Output

Designed for chip-on-glass (COG) applications Low power consumption, suitable for battery operated systems Logic supply voltage range from 1.7 to 3.6V High voltage generator supply voltage range from 1.75 to 4.2V Display supply voltage range from 4.5 Vto 14.5V Backward compatibility with STE2001

Description
The STE2002 is a low power CMOS LCD controller driver. Designed to drive a 81 rows by 128 columns graphic display, provides all necessary functions in a single chip, including onchip LCD supply and bias voltages generators, resulting in a minimum of externals components and in a very low power consumption. The STE2002 features three standard interfaces (Serial, Parallel & I2C) for ease of interfacing with the host microcontroller.

Block diagram
CO to C127 R0 to R80 ICON

OSC_IN OSC_OUT

OSC

TIMING GENERATOR CLOCK

COLUMN DRIVERS

ROW DRIVERS

VLCDIN

BIAS VOLTAGE GENERATOR

DATA LATCHES

SHIFT REGISTER

VLCDSENSE VLCDOUT

HIGH VOLTAGE GENERATOR

RES VSSAUX VDD1,2 VSS SEL1,2

RESET

104 x 128 RAM

SCROLL LOGIC TEST_1_14 TEST

DATA REGISTER

INSTRUCTION REGISTER

DISPLAY CONTROL LOGIC

ICON_MODE EXT BSY_FLG

SA1

I2CBUS

SOUT PARALLEL SERIAL

SAO

SCL

SDA_IN

SDA_OUT DB0 to DB7 E

R/W PD/C SCE

SDIN

SCLK

SD/C

December 2006

Rev 3

1/61
www.st.com
61


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