Standard ICs
Segment-type LCD driver
BU9729K
The BU9729K is a driver for segmented liquid crystal displays, which enables connection with a microcomputer through a serial interface.
4-bit common output and an internal power supply circuit for LCD drive make it possible to configure a low-cost display system.
Applications • Movie projectors, car audio equipment, telephones Features • 1) Serial interface (8-bit length).
2) Display RAM: 72bits, internal (up to 72 segments can be displayed).
3) Internal power supply circuit for liquid crystal drive.
4) Display duty: 1 / 4.
5) Low-
voltage and low-current operation supported.
•Block diagram
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VLCD VC LCD Driver Bias Circuit
V...