ST7921 Datasheet PDF | Sitronix Technology

Sitronix Technology ST7921

ST7921 is a segment driver for dot matrix type LCD display. It features 96 channels with 48 X 2 bits bi-directional shift registers, data latches, LCD drivers and logic control circuits. It is fabricated by high voltage CMOS process with low current consumption.

Part No.	ST7921
Datasheet	ST7921 Download
Manufacturer	Sitronix Technology
Description	96CH Segment Driver
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FEATURES

: Display driving bias : static to 1/5 Power supply for logic : 2.7V ~ 5.5V Power supply for LCD voltage (V0~VSS) : 3V ~ 7V Dot matrix LCD driver with two 48 channel outputs Bias voltage (V0 ~ V4) Input/Output signals Input : Serial display data and control pulse from controller IC Output : 48 X 2 channels waveform for LCD driving ST7921 96CH Segment Driver For Dot Matrix LCD

GENERAL DESCRIPTION

: The ST7921 can convert serial data received from an LCD controller, such as ST7920, into parallel data and send out LCD driving waveforms to the LCD panel. The ST7921 is designed for general purpose LCD drivers. It can drive both static and dynamic drive LCD. The LSI can be used as segment driver. Ver 1.6 1/11 2005/05/24 ST7921 ST7921 Functional Block S1...............................S48 S49...............................S96 V1 V2 V3 V4 SEGMENT DRIVER SEGMENT DRIVER VDD VSS V0 DATA LATCH(48bits) DATA LATCH(48bits) BIDIRECTIONAL SHIFTER(48bits) BIDIRECTIONAL SHIFTER(48bits) M CL1 CL2...