Altera ByteBlaster

This preset pin mapping is available for XJLink2-series JTAG controllers only.

Pin number Connector Pin Description XJLink2 Assignment
1UnusedInput
2UnusedInput
3UnusedInput
4UnusedSoft GND
5UnusedInput
6UnusedInput
7UnusedInput
8UnusedInput
9UnusedInput
10UnusedHard GND
11TCK - JTAG clockTCK
12GNDSoft GND
13TDO - JTAG data out (from board)TDO
14VCC - Power from boardInput
15TMS - JTAG mode selectTMS
16Not used for JTAGInput
17Not used for JTAGInput
18Not used for JTAGInput
19TDI - JTAG data in (to board)TDI
20GNDHard GND