參數(shù)資料
型號(hào)： P87C055
廠商： NXP Semiconductors N.V.
英文描述： Microcontrollers for TV and video MTV
中文描述： 電視和視頻微控制器MTV
文件頁(yè)數(shù)： 3/40頁(yè)
文件大?。?/td> 243K
代理商： P87C055
1996 Mar 22
3
Philips Semiconductors
Product specification
Microcontrollers for TV and video (MTV)
83C145; 83C845
83C055; 87C055
1
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%.
2
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.
3
APPLICATIONS
Providing tuner functions and an OSD facility, it represents
a next generation replacement for the currently available
parts.
4
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
TEMP.
RANGE
(
°
C)
FREQ.
(MHz)
NAME
DESCRIPTION
VERSION
P83C055BBP
P87C055BBP
P83C145BBP
P83C845BBP
SDIP42 plastic shrink dual in-line package; 42 leads (600 mil)
SOT270-1
0 to +70
3.5 to 12
相關(guān)PDF資料
PDF描述
P87C055BBP Microcontrollers for TV and video MTV
P83C055BBP Microcontrollers for TV and video MTV
P83C145BBP MICRO 21 F SOD
P83C851FBA CMOS single-chip 8-bit microcontroller with on-chip EEPROM
P80C851IBA CMOS single-chip 8-bit microcontroller with on-chip EEPROM
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