BC Jtag Modifications

Updated: 29-Apr-03

Necessary Hardware Modifications

These modifications allow firmware to be downloaded to the Altera EPC2LC20 prom on the BC using a Jtag connection to the PCI-3 bus. Upon power-up this new code will then be loaded to the PCI-3 and Control FPGAs.

Connections that must be added to the BC
Signal Connector EPC2 pin Resistor
TDI J2-5 11
(break connection to 3.3V)
1 KOhm to 3.3V
TDO J2-4 1 none
TMS J2-3 19
(break connection to 3.3V)
1 KOhm to 3.3V
TCK J1-1 3
(break connection to GND)
1 KOhm to GND

Programming the BC using Jtag

See Firmware page.