GENERAL DESCRIPTION

The Z89331 One-Time Programmable (OTP) Digital Television Controller is designed to provide complete audio and video control of television receivers, video recorders, and advanced on-screen display facilities. The Z89331 features a Z89C00 RISC processor core that controls on-board peripheral functions and registers using the standard processor instruction set.

FEATURES

■ Part ROM RAM* Speed

Number (KB) (Bytes) (MHz)

Z89331 24 640 12

*General-Purpose

■ 42-Pin SDIP Package

■ 4.75- to 5.25-Volt Operating Range

■ 0°C to +70°C Temperature Range

■ One-Time Programmable

■ Serial Interfacing I2C Port

■ Fully Customized Character Set

■ Character-Control and Closed-Caption Modes

■ Keypad User Control

■ TV Tuner Serial Interface

■ Direct Video Signals

■ Low-EMI Option