It is a 2.54mm Pitch 20 Pin JTAG ISP AVR Cable. It is used in verifying designs and testing PCBs after they are manufactured.

Essentially all embedded systems platforms are JTAG compatible. They include a JTAG port to support plug-in debugging and firmware programming as well as for boundary-scan testing.

The cable has two rows of 10 pins each and has a length of 300mm.

Features:

1. Compatible with all embedded systems platforms.
2. Supports field updates and troubleshooting.