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9729K Datasheet BU9729K

Manufacturer: ROHM

Datasheet Details

Part number 9729K
Manufacturer ROHM
File Size 144.99 KB
Description BU9729K
Datasheet download datasheet 9729K Datasheet

General Description

s Pin name OSC1 OSC2 VSS VC VLCD VDD SCK Pin No.

1 2 3 4 5 6 7 — I I/O I O — — Function These are the I / O pins for the internal oscillator.

Resistance should be connected between the pins when the internal clock is operating.

Overview

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.

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 www. DataSheet4U. com 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 4bi.