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Description

The STE2028 is a low power CMOS LCD controller driver featuring an extremely low current consumption.

Designed to drive a 162 rows by 390 columns or 262k colors graphic display, with MLS (Multi-lineselection) algorithm, the STE2028 provides all the necessary functions in a single chip, including onchip LCD supply and bias voltage generators, resulting in a minimum of externals components.

Features

■ 162x130 RGB display matrix

■ 385K Bits display data RAM

■ 2M color palette

■ 262k color mode

■ Dual partial display mode

■ Partial vertical scrolling

■ Programmable number of lines

■ N-line inversion

■ Programmable frame rate over temperature

■ Digitally programmable LCD voltage (up to 1024 steps)

■ Digitally programmable LCD voltage compensation over temperature

■ Selectable input interface:

– 68000 & 8080 Parallel interfaces (read and write)

– 3-lines and 4-lines SPI interface (read and write)

– 3-lines 9-Bit serial interface (read and write)

■ 1 Look-up table for gamma setting

■ Fully integrated oscillator requires no external components.

■ Fully integrated bias system and voltage generator

■ Advanced MLS driving scheme for optimal color images rendering (P=4).

■ Designed for chip-on-glass (COG) and chipon-foil (COF) applications

■ Interface supply voltage range from 1.65V to 3.6V

■ Logic supply voltage range from 1.65V to 1.95V

■ High voltage generator supply voltage range from 2.2V to 3.6V

■ Display supply voltage range from 4.5V to 20.8V

■ One time programmable (OTP) non volatile embedded memory

■ On chip calibration (with OTP Cells) of key configuration parameters

■ Specific mode functionality to drive displays smaller than 162x130 (such as 160x128)