AVRcard JTAG Interface

 

Pinout conversion for JTAG Connector on the AVRcard Core Module.

The pinout of the JTAG connector on the AVRcard core module follows the convention of the JTAG Programmer/ICE of E-Lab Computers.

However, this pinout differs from the one used on the Atmel JTAG ICE mkII and other compatible products. In order to use these products in conjunction with the AVRcard, a conversion adapter is needed. Below you find the information required to build such an adapter..

 

JTAG ICE mkII

AVRcard Rev. 1.1

Pin

Function

X3 Pin

Function

Alternative connection

1

TCK

3

PF4

X4.28

2

GND

6

GND

X4.23/24

3

TDO

7

PF6

X4.26

4

Vtref

2

VCC

X4.21/22

5

TMS

1

PF5

X4.27

6

nRST

5

RST

 

7

Vsupply

2

VCC

X4.21/22

8

nTRST

 

 

 

9

TDI

4

PF7

X4.26

10

GND

6

GND

X4.23/24

 

 

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