PCF8578 Overview
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.