3 – Key Components Description and Operation
IGLOO2 FPGA Evaluation Kit User Guide
23
Different Clock Sources
The following are the different clock sources used in M2GL-EVAL-KIT:
1. 125 MHz clock oscillator. For more information refer to
SERDES0 Interface
.
2. 32.768 KHz crystal oscillators for main and auxiliary oscillators of IGLOO2 FPGA.
Debugging
User LEDs
The board provides user access to eight active low LEDs, which are connected to the IGLOO2 device for debugging
applications.
Table 8
lists the onboard debugging LEDs.
Table 9.
LEDs
IGLOO2 Dev Kit
IGLOO2 - Pkg No
IGLOO2 Pin Name
LED0 - Yellow
E1
MSIO73PB7
LED1 – Yellow
F4
MSIO74NB7
LED2 – Green
F3
MSIO74PB7
LED3 – Green
G7
MSIO75NB7
LED4 – Red
H7
MSIO75PB7
LED5 – Red
J6
MSIO76NB7
LED6 – Blue
H6
MSIO76PB7
LED7 - Blue
H5
MSIO77NB7
IGLOO2
FPGA
499 ohms
+3.3V
Figure 15.
LEDs Interface
Note:
For more information, refer to page 15 of Board Level Schematics document (provided separately).
Push-Button Switches
The IGLOO2 Evaluation Kit comes with five push-button tactile switches that are connected to the IGLOO2 device.
Table 9
lists the onboard push-button switches.
Table 10.
Push-Button Switches
IGLOO2 Dev Kit
IGLOO2 - Pkg No
IGLOO2 Pin Name
SWITCH1
L20
MSIO15NB2
SWITCH2
K16
MSIO19NB2
SWITCH3
K18
MSIO20PB2
SWITCH4
J18
MSIO20NB2
SW6
R15
DEVRST_N