BU9729
BU9729 is Segment-type LCD driver manufactured by ROHM.
Standard ICs
Segment-type LCD driver
BU9729K
The BU9729K is a driver for segmented liquid crystal displays, which enables connection with a microputer through a serial interface. 4-bit mon 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
VLCD VC LCD Driver Bias Circuit
VDD VSS
SEG1 SD...
