Preliminary W742E81A/W742C81A
1. GENERAL DESCRIPTION
4-BIT MICROCONTROLLER
The W742E81A/W742C81A is a high-performance 4-bit microcontroller (µC) that provides an LCD driver. The device contains a 4-bit ALU, two 8-bit timers, two dividers (for two oscillators) in dual-
clock operation, a 40 × 4 LCD driver, six 4-bit I/O ports (including 1 output port for ...
