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Technical Support
On-Line Manuals
MCBx51 User's Guide
Introduction
Setup
Theory of Operation
Block Diagram
Schematics
Technical Data
Prototyping Area
Microcontroller
RAM
EPROM
Page Mode
Power Supply
Configuration
LEDs
Push Buttons
Serial Ports
Address Decoding
251 Devices
8051 Devices
MCBx51 User's Guide
Power Supply
Power is supplied to the MCBx51 board by an external 8-12 Volt DC power supply which is capable of providing 300-500mA. The connection uses a standard 5.5mm barrel plug with a 2.5mm center hole providing positive voltage.
The Power LED indicates that +5VDC is present on the board.
The 7805 voltage regulator IC2 generates 5 Volts DC. A second 78L05 voltage regulator IC6 reduces the noise for the 251A1 A/D converter .
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