Datasheet Details
| Part number | BU9729K |
|---|---|
| Manufacturer | ROHM |
| File Size | 146.43 KB |
| Description | Segment-type LCD driver |
| Datasheet |
 BU9729K Datasheet
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General Description
Pin name OSC1 OSC2 VSS VC VLCD VDD SCK Pin No.
I I/O I OFunction These are the I / O pins for the internal oscillator.
Resistance should be connected between the pins when the internal clock is operating.
Key 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 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.