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PDF Z89313 Data sheet ( Hoja de datos )
| Número de pieza | Z89313 | |
| Descripción | DIGITAL TELEVISION CONTROLLER | |
| Fabricantes | Zilog. | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de Z89313 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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PRELIMINARY
Z89313
CPS5TEL0700
PRELIMINARY
CUSTOMER PROCUREMENT SPECIFICATION
FEATURES
s Part
ROM
Number (Word)
Z89313 32K x 16
RAM
(Word)
1K x 16
s 52-Pin Shrink DIP Package
s 4.5- to 5.5-Volt Operating Range
s Z89C00 RISC Processor Core
s 0°C to +70°C Temperature Range
Speed
(MHz)
12
Z89313
DIGITAL TELEVISION CONTROLLER
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 Z89313 is a member 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.
Serial interfacing with the television tuner is provided
through the tuner serial port. Digital channel tuning
adjustments may be accessed through the industry-
standard I2C port.
The Z89313 features a powerful Z89C00 RISC processor
core that controls 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.
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. Special circuitry can be
activated to improve the visibiity of text by adding a right-
sided shadow effect to the characters.
Receiver functions such as color and volume can be
directly controlled by six 8-bit pulse width modulated
ports.
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.
Display attributes, including 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.
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:
Connection
Power
Ground
Circuit
VCC
GND
Device
VDD
VSS
CP95TEL0700 (6/95)
1
1 page  
V1, V2, V3 ANALOG OUTPUT
Specifications V = 5.25 V
CC
VCC = 5.25 V
Output Voltage
Setting Time
PRELIMINARY
Condition
Bit = 11
Bit = 10
Bit = 01
Bit = 00
70% of DC Level,
10pf Load
Limit
4.30 V ± 0.3 V
3.10 V ± 0.25 V
1.90 V ± 0.20 V
0 V ± 0.75 V
< 50 ns
Z89313
CPS5TEL0700
V1, V2, V3 ANALOG OUTPUT
Specifications V = 4.75 V
CC
VCC = 4.75 V
Output Voltage
Setting Time
Condition
Bit = 11
Bit = 10
Bit = 01
Bit = 00
70% of DC Level,
10pf Load
Limit
3.90 V ± 0.30 V
2.80 V ± 0.25 V
1.70 V ± 0.20 V
0 V ± 0.65 V
< 50 ns
68pF
560pF
XTAL1
XTAL2
27k
Z893XX
32K Oscillator Recommended Circuit
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet Z89313.PDF ] | |
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