Z90348
FEATURES s Part Number
Z90349 Z90348
ROM (Word)
0 0
RAM (Word)
1K 1K
Speed (MHz)
12 12 s s s
Direct Closed Caption Decoding TV Tuner Serial Interface Customized Character Set Character Control Mode Directly Controlled Receiver Functions V-Chip Decode s
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 s s s s s s
GENERAL DESCRIPTION
The Z90349 and Z90348 are ROMless versions of the Z89300 family of Zilog's Digital Television Controllers designed for use in emulators and development boards to provide plete 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. In closed caption mode, text can be decoded directly from the posite video signal and...
