BRK7010 Breakout Board
The BRK7010 is a simple two-layer “breakout board” which can be used to evaluate or transition to the XEM7310. It provides standard 2-mm thru-hole connections to the 0.8-mm high-density connectors on the XEM7310 and a DC power connector (2.1mm / 5.5mm, center positive) for providing +5VDC to the XEM7310.
Please visit the Pins reference for the XEM7310 for pin mapping details. Full Altium schematics and PCB layout are available through Pins Downloads.
Xilinx JTAG Operation
The BRK7010 passes the JTAG interface from the expansion connectors on the XEM7310 to a connector compatible with the Xilinx JTAG cable. The reference voltage of this interface needs to be compatible with the XEM7310. Selection of this is done using a shunt on JP1 according to the table below.
|FPGA PRODUCT||JTAG REFERENCE VOLTAGE||SHUNT POSITION|
|XEM7010||3.3 V||Pins 2 – 3|
|XEM7310||1.8 V||Pins 1 – 2|