Z89318

Features: n Part Z8ROM Z8 RAM* Speed Number (Kbyte) (Kbyte)(MHz) Z89314 16 512 12Z89318 1 0 512 12 *General-Purpose` 40-Pin DIP Package` 4.5- to 5.0-Volt Operating Range` Z89C00 RISC Processor Core` 0 to +70 Temperature Range` Direct Closed Caption Decoding` TV Tuner Serial Interface` Customized ...

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SeekIC No. : 004550430 Detail

Z89318: Features: n Part Z8ROM Z8 RAM* Speed Number (Kbyte) (Kbyte)(MHz) Z89314 16 512 12Z89318 1 0 512 12 *General-Purpose` 40-Pin DIP Package` 4.5- to 5.0-Volt Operating Range` Z89C00 RISC Processor Core...

floor Price/Ceiling Price

Part Number:
Z89318
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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268 Transactions

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Upload time: 2024/11/23

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Product Details

Description



Features:

n                 Part                  Z8ROM            Z8 RAM*             Speed
               Number                (Kbyte)              (Kbyte)              (MHz)
                Z89314                   16                    512                   12
                Z89318 1                0                      512                   12
               *General-Purpose
` 40-Pin DIP Package
` 4.5- to 5.0-Volt Operating Range
` Z89C00 RISC Processor Core
` 0 to +70 Temperature Range
` Direct Closed Caption Decoding
` TV Tuner Serial Interface
` Customized Character Set
` Character Control Mode
` Directly Controlled Receiver Functions



Pinout

  Connection Diagram


Specifications

Symbol Parameters Min Max Units Notes
VCC Power Supply Voltage 0 7 V  
VID Input Voltage 0.3 VCC +0.3 V Digital Inputs
VIA Input Voltage 0.3 VCC +0.3 V Analog Inputs (A/D0-A/D4)
VO Output Voltage 0.3 VCC +0.3 V All Push-Pull Digital Output
VO Output Voltage 0.3 VCC +8.0 V Open-Drain/Push-Pull PWM
Outputs (PWM1-PWM8)
IOH Output Current High   10 mA One Pin
IOH Output Current High   100 mA All Pins
IOL Output Current Low   20 mA One Pin
IOL Output Current Low   200 mA All Pins
TA Operating Temperature 0 70  
TA Storage Temperature 65 +150  




Description

The Z89314/318 Z89318 are members of Zilog's family of Digital Television Controllers designed to provide complete audio and video control of television receivers, video recorders, and advanced on-screen display facilities.

The powerful Z89C00 Z89318 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 composite video signal and displayed on the screen with assistance from the processor's digital signal  processing capabilities. The character representation in this mode allows for a simple attribute control through the insertion of control characters.

The Z89318 character control mode provides access to the full set of attribute controls. The modification of attributes is allowed on a character-by-character basis. The insertion of control characters permits direction of other character attributes. Display attributes include underlining, italics, blinking, eight foreground/background colors, character position offset delay, and background transparency are made possible through a fully customized 512 character set, formatted in two 256 character banks.

Serial interfacing with the television tuner is provided through the tuner serial port. This version of the Z89300 series does not offer I2C capability.

Additional hardware provides the capability to display two  to three times normal size characters. The smoothing logic contained in the on-screen display circuit improves the appearance of larger fonts. Fringing circuitry can be activated to improve the visibiity of text by surrounding the character lines with a one-pixel border.

Receiver functions such as color and volume can be directly controlled by eight 8-bit pulse width modulated ports.




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