This is revision A of the EMDP1 AVR820 plug and it is currently a work in progress.

EMDP1 AVR820 Plug (Rev. A)

Table of Contents
Introduction
Schematic
Printed Circuit Board
Tables
Issues

Introduction

The EMDP1 AVR820 plug is used to program the various Atmel^® 8-pin and 20-pin VR^® microcontrollers. This includes the AT90S/LS2323, AT90S/LS2343, Attiney11/12, ATtiny15, AT90S1200 and AT90S2313.

Schematic

The schematic for this revision is shown below:

Printed Circuit Board

The following printed circuit board files exist:

avr820_artwork.png: The artwork layer picture (PNG).
avr820_back.png: The back layer picture (PNG).
avr820_front.png: The front layer picture (PNG).
avr820.gal: The artwork Gerber (RS274X) file.
avr820.gbl: The back (solder side) Gerber (RS274X) file
avr820.gtl: The front (component side) Gerber (RS274X) file.
avr820.gml: The mask (both sides) Gerber RS274X) file.
avr820.drl: The drill (Excellon) file.
avr820.tol: The tool file that lists hole counts.

Tables

The table below shows were each of the BD signals winds up:

ZIF
Pin AVR
Pin AVR
Label EMDP1
Plug
1 1 RESET*/VPP VAR1
2 2 BP2/XTAL BD0
3 3
4 4 GND GND
37 5 PB0/SDI BD1
38 6 PB1:SII BD2
39 7 PB2:SDO BD3
40 8 VCC VAR2

ZIF Pin	AVR Pin	AVR Label	EMDP1 Plug
1	1	RESET*/VPP	VAR1
2	2	BP2/XTAL	BD0
3	3
4	4	GND	GND
37	5	PB0/SDI	BD1
38	6	PB1:SII	BD2
39	7	PB2:SDO	BD3
40	8	VCC	VAR2

Issues