83C845中文资料PDF规格书
83C845规格书详情
DESCRIPTION
The 83C055, Microcontroller for Television and Video (MTV) applications, is a derivative of Philips’ industry standard 80C51 microcontroller.
The 83C055 is intended for use as the central control mechanism in a television receiver or tuner.
FEATURES
• Masked ROM sizes:
– 8 kbytes (83C845)
– 12 kbytes (83C145)
– 16 kbytes (83C055)
– 16 kbytes OTP (87C055)
• RAM: 256 bytes
• On Screen Display (OSD) controller
• Three digital video outputs
• Multiplexer/mixer and background intensity controls
• Flexible formatting with OSD New Line option
• 128 × 10 bits display RAM
• Designed for reduced Radio Frequency Interference
(RFI)
• Character generator ROM:
– character format 18 lines × 14 dots
– 60 visible characters
– 4 special characters
• Eight text shadowing modes
• Text colour selectable per character
• Background colour selectable per word
• Background colour versus video selectable per character
• Eight 6-bit Pulse Width Modulators (PWM) for analog voltage integration
• One 14-bit PWM for high-precision voltage integration
• Digital-to-analog converter and comparator with 3 inputs multiplexer
• Nine dedicated I/Os plus 28 port bits (15 port bits with alternative uses)
• 4 high current open-drain port outputs
• 12 high voltage (+12 V) open-drain outputs
• Programmable video input and output polarities
• 80C51 instruction set
• No external memory capability
• Plastic shrink dual in-line package (0.07 inch centre pins)
• High-speed CMOS technology
• Power supply: 5 V ±10.
APPLICATIONS
Providing tuner functions and an OSD facility, it represents a next generation replacement for the currently available parts.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
SEEQ |
23+ |
PLCC |
20000 |
原厂原装正品现货 |
询价 | ||
NXP |
23+ |
PLCC |
8890 |
价格优势、原装现货、客户至上。欢迎广大客户来电查询 |
询价 | ||
SEEQ |
2017+ |
PLCC |
6528 |
只做原装正品现货!或订货假一赔十! |
询价 | ||
SEEQ |
PLCC28 |
9500 |
一级代理 原装正品假一罚十价格优势长期供货 |
询价 | |||
PHILIPS |
23+ |
SMD-PLCC44 |
9856 |
原装正品,假一罚百! |
询价 | ||
SEEQ |
1116+ |
PLCC28 |
6869 |
绝对原装现货 |
询价 | ||
SEEQ |
22+23+ |
PLCC28 |
34605 |
绝对原装正品全新进口深圳现货 |
询价 | ||
SEEQ |
22+ |
PLCC |
8000 |
原装正品支持实单 |
询价 | ||
NS |
2339+ |
SOP |
25843 |
公司原厂原装现货假一罚十!特价出售!强势库存! |
询价 | ||
SEEQ |
2021+ |
PLCC |
5000 |
原厂授权代理,海外优势订货渠道。可提供大量库存,详 |
询价 |