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PDF Z89318 Data sheet ( Hoja de datos )
| Número de pieza | Z89318 | |
| Descripción | DIGITAL TELEVISION CONTROLLER | |
| Fabricantes | Zilog. | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de Z89318 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Z89314/318
CPS95TV0403
CUSTOMER PROCUREMENT SPECIFICATION
FEATURES
s Part
Z8 ROM
Number (Kbyte)
Z89314 16
Z89318 10
*General-Purpose
Z8 RAM*
(Kbyte)
512
512
Speed
(MHz)
12
12
s 40-Pin DIP Package
s 4.5- to 5.0-Volt Operating Range
s Z89C00 RISC Processor Core
Z89314/318
DIGITAL TELEVISION CONTROLLER
s 0°C to +70°C Temperature Range
s Direct Closed Caption Decoding
s TV Tuner Serial Interface
s Customized Character Set
s Character Control Mode
s Directly Controlled Receiver Functions
GENERAL DESCRIPTION
The Z89314/318 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 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 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.
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.
Notes:
All Signals with a preceding front slash, "/", are active Low, e.g.:
B//W (WORD is active Low); /B/W (BYTE is active Low, only).
Power connections follow conventional descriptions below:
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.
Connection
Power
Ground
Circuit
V
CC
GND
Device
V
DD
VSS
CPS95TV0403 (8/95)
1
1 page  
68pF
560pF
XTAL1
XTAL2
27k
Z893XX
32K Oscillator Recommended Circuit
Z89314/318
CPS95TV0403
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet Z89318.PDF ] | |
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