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Z89300

Zilog.
Part Number Z89300
Manufacturer Zilog.
Description DIGITAL TELEVISION CONTROLLER
Published Apr 16, 2005
Detailed Description P R E L I M I N A R Y Z89300/01 CPS DC-4166-00 PRELIMINARY CUSTOMER PROCUREMENT SPECIFICATION Z89300/01 DIGITAL TELEV...
Datasheet PDF File Z89300 PDF File

Z89300
Z89300

Overview
P R E L I M I N A R Y Z89300/01 CPS DC-4166-00 PRELIMINARY CUSTOMER PROCUREMENT SPECIFICATION Z89300/01 DIGITAL TELEVISION CONTROLLER GENERAL DESCRIPTION The Z89300/01 Digital Television Controller is an application- specific controller designed to provide complete audio and video control of television receivers, video recorders, and advanced on-screen display facilities.
The Z89301 is the one-time-programmable (OTP) version of the Z89300.
The powerful 12 MHz Z89C00 RISC processor core allows the user to control the on-board peripheral functions and registers using the standard processor instruction set.
The extensive character attributes can be controlled in two modes: by the on-screen display controller character control mode for maximum display control flexibility, and closed caption mode for optimum display of closed caption text.
Closed caption text can be decoded directly from the composite video signal with the assistance of the processor's digital signal processing capabilities and displayed on the screen.
The character representation in this mode allows for a simple attribute control through the insertion of control characters, and each word of RAM specifies two displayed characters.
The character control mode provides access to the full set of attribute controls.
Each word of RAM specifies a single displayed character and basic character attributes, allowing the modification of attributes on a character-by-character basis.
The insertion of control characters permits direction of other character attributes.
The fully customized 512 character set, formatted in two 256 character banks, can be displayed with a host of display attributes that incude underlining, italics, blinking, eight foreground/background colors, character position offset delay, and background transparency.
The 16-bit display character representation allows the modification of some key attributes on a character-by-character basis.
A character's pixel array is stored as a 16- or 18-word rep...


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