GENERAL DESCRIPTION

The Z90349 and Z90348 are ROMless versions of the Z89300 family of Zilogs Digital Television Controllers designed for use in emulators and development boards to provide complete audio and video control of television receivers, video recorders, and advanced on-screen display facilities.

The powerful Z89C00 RISC processor core allows users to control on-board peripheral functions and registers using the standard processor instruction set.

FEATURES

■ Part ROM RAM Speed

Number (Word) (Word) (MHz)

Z90349 0 1K 12

Z90348 0 1K 12

■ 144-Pin Grid Array (PGA) Package (Z90349)

100-Pin Quad Flat Pack (QFP) Package (Z90348)

■ 4.5- to 5.5-Volt Operating Range

■ Z89C00 RISC Processor Core

■ 0°C to +70°C Temperature Range

■ Direct Closed Caption Decoding

■ TV Tuner Serial Interface

■ Customized Character Set

■ Character Control Mode

■ Directly Controlled Receiver Functions

■ V-Chip Decode