2 – Installation and Settings
10
IGLOO2 FPGA Evaluation Kit User Guide
Jumper
Function
Default Settings
Pin 1-2 for Manual power switching using SW7 switch.
Closed
Pin 2-3 for Remote power switch using GPIO capability of FT4232 chip.
Open
Table 5
lists the power supply and Ethernet LEDs.
Table 5.
LEDs
LED
Comment
DS1 - Green
Indicates the 5 V rail.
DS2 - Green
Indicates the 3.3 V rail.
DS3 - Green
Indicates the 12 V power source.
DS5 - Green
Connected to parallel LED output port 0 (P0_LED[0]) of Marvell PHY.
DS4 - Green
Connected to parallel LED output port 0 (P0_LED[2]) of Marvell PHY.
DS6 - Green
Connected to parallel LED output port 0 (P0_LED[3]) of Marvell PHY.
Table 6
lists the USB, ground, and other test points.
Table 6.
Test Points
Test Point
Description
TP8
USB switch in/out for DP signal.
TP9
USB switch in/out for DM signal.
TP1, TP2, TP4, TP5, TP6, TP7, TP10,
TP11
GND
TP3
Test point for DDR_VTT
TP12
Test point to measure the voltage at TP12 with reference to GND.
TP14
1.2 V current sensing test point
TP15
1.8 V current sensing test point
TP16, TP17
Test points across current sense resistor 0.05 Ohms for 1.2 V
TP18, TP19
Test points across current sense resistor 0.05 Ohms for 1.8 V