Datasheet > Z90130

Z90130

更新时间： 2024-09-14 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	69K
描述
40-PIN LOW-COST DIGITAL TELEVISION CONTROLLER

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中文翻译

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数据手册

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Z90130 数据手册

Z90110/120/130

CP95TEL1300

P R E L I M I N A R Y

PRELIMINARY

CUSTOMERPROCUREMENTSPECIFICATION

Z90110/120/130

40-PINLOW-COSTDIGITAL

TELEVISIONCONTROLLER

FEATURES

ROM

RAM*

(Kbyte)

236

Speed

(MHz)

On-Screen Display (OSD) Logic Circuits

Part

(KB)

Z90110

Z90120

Z90130

One 14-Bit and Three 6-Bit Pulse Width Modulator

(PWM) Circuits

*General-Purpose

24 Input/Output Lines

40-Pin DIP Package

Program Memory, Video RAM, and Register File

Address Spaces

4.5V to 5.5V Operating Range

0°C to +70°C Temperature Range

Two On-Chip Counter/Timers

Low-Power Consumption

GENERAL DESCRIPTION

The Z901XX 40-pin Digital Television Controller is a cost-

effective member of the Z8^®single-chip microcontroller

family. The device provides an ideal performance and

reliability solution for consumer and industrial television

applications.

A 14-bit PWM port provides enough voltage resolution for

a voltage synthesizer tuning system. Three 6-bit PWM

ports are used for controlling audio signal levels, and

Three 8-bit PWM ports used to vary picture levels.

Three basic address spaces, The Program Memory, Video

RAM, and Register File, support a wide range of memory

configurations.

The Z901XX offers mask-programmed ROM, which en-

ables the Z8 microcontroller to be used in a high-volume

production application device embedded with a custom

program (customer-supplied program) and combines to

provide support for mid-range and low-end TV applica-

tions.

For applications demanding powerful I/O capabilities, the

Z901XX's dedicated input and output lines are grouped

into three ports, and are configurable under software

control to provide timing, status signals, parallel I/O and an

address/data bus for interfacing to external memory.

The device features an 8-bit internal data path controlled

by a Z8 microcontroller, On-Screen Display (OSD) logic

circuits, and Pulse Width Modulators (PWM). On-chip

peripherals include two register mapped I/O ports (Ports 2

and Port 3), interrupt control logic (one software, two

external and three internal interrupts) and a standby mode

recovery input port (Port 3, pin P30).

To unburden the program from coping with the real-time

problems such as counting/timing and data communication,

the Z901XX offers two on-chip counter/timers with a large

number of user selectable modes.

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 OSD control circuits support six rows by 20 columns

of characters. The character color is specified by row. One

of the eight rows is assigned to show two kinds of colors for

bar type displays such as volume control. The OSD is

capable of displaying either low resolution (5x7 dot pattern)

or high resolution (11x15 dot pattern) characters.

Power connections follow conventional descriptions below:

Connection

Circuit

Device

Power

Ground

V_CC

GND

V_DD

V_SS

CP95TEL1300 (10/95)

12 3 4 5 6 7 8

中文翻译

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