Atmel C51 Manual De Usuario

Atmel

C51 Microcontrollers Demo Board User Guide i

4119C–8051–3/03

Table of Contents

Section 1
Introduction ........................................................................................... 1-2

C51/C251 Support ....................................................................................1-2

Demo Board Features...............................................................................1-3

Section 2
Hardware Description ........................................................................... 2-4

Block Diagram...........................................................................................2-4

Specifications ............................................................................................2-4

Supported Microcontrollers .......................................................................2-4

Board Supply Considerations....................................................................2-5

Board Layout.............................................................................................2-6

J11 Switches .............................................................................................2-7

Section 3
Operation Mode .................................................................................. 3-10

Flash Products ........................................................................................3-10

Switch Configuration.........................................................................3-10

Running ISP .....................................................................................3-10

ISP External Flash Memory Mode ..........................................................3-11

Hardware Configuration....................................................................3-11

Terminal Configuration .....................................................................3-11

ISP Operation ...................................................................................3-11

Demo Mode ............................................................................................3-14

C51 Mode .........................................................................................3-14

C251 Mode .......................................................................................3-15

Section 4
Bill of Material ..................................................................................... 4-16

Section 5
Schematics ......................................................................................... 5-18