Microsemi UG0557, Руководство пользователя

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Key Components Description and Operation
UG0557 User Guide Revision 4.0 22
4.10.2 100 MHz Clock Oscillator
A 100 MHz LVDS clock oscillator operating at 3.3 V with an accuracy of +/-50 ppm is available on the
board. This clock oscillator is connected to the FPGA fabric M1 and N1 pins.
The following table provides package and pin details of the 100 MHz oscillator.
The following figure shows the 100 MHz clock oscillator interface.
Figure 16 • 100 MHz Clock Oscillator Interface
For more information, see the Board Level Schematics document (provided separately).
4.11 User Interface
The SmartFusion2 Advanced Development Board UI has user LEDs as well as push-button switches.
4.11.1 User LEDs
The board has eight active-high LEDs connected to the SmartFusion2 device that can be used to debug
applications. The following table lists the on-board user LEDs.
Table 9 • 100 MHz Clock
SmartFusion2 Advanced
Development Kit Pin Name SmartFusion2 Package Pin
Number
SmartFusion2 Device Pin Name
100MHZ_DIFFCLK_P N1 MSIO40PB4/CCC_NE1_CLKI1
100MHZ_DIFFCLK_N M1 MSIO40NB4
Table 10 • LEDs
SmartFusion2 Advanced
Development Board Pin SmartFusion2
Package Pin Number SmartFusion2 Device
Pin Name
DS0 D26 DDRIO149PB1/FDDR_DQS2
DS1 F26 DDRIO150PB1/FDDR_DQ18
DS2 A27 DDRIO148PB1/FDDR_DM_RD
QS2
DS3 C26 DDRIO149NB1/FDDR_DQS2_N
DS4 C28 DDRIO151PB1/FDDR_DQ16
DS5 B27 DDRIO148NB1/FDDR_DQ20
DS6 C27 DDRIO151NB1/FDDR_DQ17
DS7 E26 DDRIO150NB1/FDDR_DQ19
0+]
2VF
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*1'
2(
9''
1
9
287
0+=B',))&/.B1
0
9
0+=B',))&/.B3
287