Sitronix ST7066 Dot Matrix LCD Controller Datasheet

ST Sitronix ST7066 is a low-power, high-performance single-chip 80x8 character display controller that supports 5x8 and 5x11 dot matrix display, programmable 1/8 or 1/11 duty cycle 40 segment display, compatible with HD44780, KS0066 and SED1278.


Sitronix ST7066 Dot Matrix LCD Controller Datasheet - cover page
Brand
STMicroelectronics
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
29
File format
PDF
File size
320 KB
Published
09 August, 2012
Updated
30 September, 2023
Model
ST7066
MD5 checksum
5E9426F96950D3BBC36686293B920AFF

About this manual

The ST7066 is a dot-matrix liquid crystal display controller and driver LSI manufactured by Sitronix. It is designed to display alphanumeric, Japanese kana characters, and symbols under the control of a 4- or 8-bit microprocessor. The device integrates display RAM, a character generator, and liquid crystal drivers on a single chip to minimize system complexity.

What's inside

  • Features
  • Description
  • Block Diagram
  • Pad Arrangement
  • Pin Functions
  • System Interface
  • Display Data RAM
  • Busy Flag
  • Address Counter

Specifications

Operating Voltage2.7 to 5.5V
LCD Driver Power Range3.0 to 11V
MPU Bus Interface Speed2 MHz
Display RAM Capacity80 characters
Character Generator ROM9,920-bit
Character Generator RAM64x 8-bit
Common Signal Drivers16
Segment Signal Drivers40

Frequently asked questions

What is the operating voltage range for the controller?

The low power operation support range is 2.7 to 5.5V.

Is the ST7066 compatible with other controllers?

Yes, it has pin function compatibility with the HD44780, KS0066U, and SED1278.

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