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Z90348

更新时间： 2024-09-15 22:07:55
品牌 Logo 应用领域
ZILOG 电视控制器
页数 文件大小 规格书
8页 92K
描述
DIGITAL TELEVISION CONTROLLER IN-CIRCUIT EMULATOR (ICE) DEVICE

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中文翻译

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Z90348 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：QFP, QFP100,.7X.9Reach Compliance Code：unknown
风险等级：5.88位大小：16
CPU系列：Z89C00JESD-30 代码：R-PQFP-G100
JESD-609代码：e0端子数量：100
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：QFP
封装等效代码：QFP100,.7X.9封装形状：RECTANGULAR
封装形式：FLATPACK电源：5 V
认证状态：Not QualifiedRAM（字节）：2048
ROM（单词）：0子类别：Microcontrollers
最大压摆率：60 mA标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：0.635 mm
端子位置：QUADBase Number Matches：1

Z90348 数据手册

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PRELIMINARY  
CUSTOMER PROCUREMENT SPECIFICATION  
Z90349/348  
DIGITAL TELEVISION CONTROLLER  
IN-CIRCUIT EMULATOR (ICE) DEVICE  
FEATURES  
■
Part  
ROM  
RAM  
(Word)  
1K  
Speed  
(MHz)  
12  
■
■
■
■
■
■
Direct Closed Caption Decoding  
TV Tuner Serial Interface  
Customized Character Set  
Character Control Mode  
Number (Word)  
Z90349  
Z90348  
0
0
1K  
12  
■
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  
Directly Controlled Receiver Functions  
V-Chip Decode  
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 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.  
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 visibility of text by adding a right-  
sided shadow effect to the characters.  
The powerful Z89C00 RISC processor core allows users to  
control on-board peripheral functions and registers using  
the standard processor instruction set.  
Inclosedcaptionmode, textcanbedecodeddirectlyfrom  
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.  
Receiver functions such as color and volume can be  
directly controlled by six 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).  
The character control mode provides access to the full set  
ofattributecontrols.Themodificationofattributesisallowed  
on a character-by-character basis. The insertion of control  
characters permits direction of other character attributes.  
Power connections follow conventional descriptions below:  
Connection  
Circuit  
Device  
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.  
Power  
Ground  
VCC  
GND  
VDD  
VSS  
CP97TEL2600  
1
12345678

中文翻译

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