BU9729 - Segment-type LCD driver

Name: BU9729
SKU: BU9729-365035

Rohm

Datasheet Details

Pin name OSC1 OSC2 VSS VC VLCD VDD SCK Pin No. I I/O I O Function These are the I / O pins for the internal oscillator.

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 SCK C/D CS Serial Interface Address Counter Display Data RAM (DD RAM) LCD Segment Driver 18bits SEG18 SEG2 Command / Data Register LCD Common Driver 4bits COM1 COM2 COM3 C.

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Published: Apr 17, 2005 |