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PCF8578 Datasheet LCD row/column driver

Manufacturer: NXP Semiconductors

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General Description

The PCF8578 is a low power CMOS1 LCD row and column driver, designed to drive dot matrix graphic displays at multiplex rates of 1:8, 1:16, 1:24 or 1:32.

The device has 40 outputs, of which 24 are programmable and configurable for the following ratios of rows/columns: 32⁄8, 24⁄16, 16⁄24 or 8⁄32.

The PCF8578 can function as a stand-alone LCD controller and driver for use in small systems.

Overview

PCF8578 LCD row/column driver for dot matrix graphic displays Rev.

06 — 5 May 2009 Product data sheet 1.

Key Features

  • I Single chip LCD controller and driver I Stand-alone or may be used with up to 32 PCF8579s (40960 dots possible) I 40 driver outputs, configurable for several ratios of rows/columns: 32⁄8, 24⁄16, 16⁄24 or 8⁄32 I Selectable multiplex rates: 1:8, 1:16, 1:24 or 1:32 I Externally selectable bias configuration, 5 or 6 levels I 1280-bit RAM for display data storage and scratch pad I Display memory bank switching I Auto-incremented data loading across hardware subaddress boundaries (with PCF8579) I Prov.

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