SS1621B-48SSOP Shenzhen SI Semiconductors Co., LTD., SS1621B-48SSOP Datasheet

Manufacturer Part Number

SS1621B-48SSOP

Description

RAM Mapping 32 X 4 LCD Controller for I/O uC

Manufacturer

Shenzhen SI Semiconductors Co., LTD.

Datasheet

1.SS1621B-48SSOP.pdf (15 pages)

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General Descriptions

S/W configuration feature of the SS1621 makes it suitable for multiple LCD applications including

LCD modules and display subsystems. Only three or four lines are required for the interface be-

tween the host controller and the SS1621. The SS1621 contains a power down command to reduce

power consumption.

Features

•

Operating voltage: 2.4V~5.2V.

Built-in 256kHz RC oscillator.

External 32.768kHz crystal or 256kHz frequency source input.

Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applications.

Internal time base frequency sources.

Two selectable buzzer frequencies (2kHz/4kHz).

Built-in time base generator and WDT.

Time base or WDT overflow output.

Power down command reduces power Consumption.

8 kinds of time base/WDT clock sources.

32x4 LCD driver.

Built-in 32x4 bit display RAM.

3-wire serial interface.

Internal LCD driving frequency source.

Software configuration feature.

Data mode and command mode instructions.

R/W address auto increment.

Three data accessing modes.

VLCD pin for adjusting LCD operating voltage.

The SS1621 is a 128-pattern (32x4), memory mapping, and multi-function LCD driver. The

RAM Mapping 32 X 4 LCD Controller for I/O uC

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Last update: 2008-06-03 16:06