參數(shù)資料
型號： DS-S29804
廠商： Altera Corporation
英文描述： Stratix II EP2S60 DSP Development Board
中文描述： Stratix二EP2S60 DSP開發(fā)板
文件頁數(shù)： 18/52頁
文件大小： 3817K
代理商： DS-S29804
18
Preliminary
Altera Corporation
Stratix II EP2S60 DSP Development Board Data Sheet
Configuration-Status LEDs
The configuration controller is connected to four status LEDs that show
the configuration status of the board at a glance. You can tell which
configuration, if any, was loaded into the FPGA at power-on by looking
at the LEDs. If a new configuration is downloaded into the Stratix II
device via the JTAG interface, then the USER LED (LED1) remains
illuminated. The rest of the configuration-status LEDs turn off if the
unused pins are configured as inputs, tri-stated for the Stratix II device.
Table 8
shows the behavior of the configuration-status LEDs.
Dual Seven-Segment Display & LEDs
A dual seven-segment display and two LEDs are provided. The segments
illuminate if the Stratix II pin to which they are connected drives low.
They appear unlit when the connected Stratix II device pin drives high.
The LEDs illuminate if the connected Stratix II device pin drives high, and
are unlit when the connected Stratix II device pin drives low.
Table 9
shows the pin-outs for the seven-segment display and LEDs.
Table 8. Configuration Status LED Indicators
LED
LED Name
Color
Description
LED3
Loading
Green
This LED blinks while the configuration controller is actively transferring
data from flash memory into the Stratix II FPGA.
LED4
Error
Red
If the red Error LED is on, then configuration was not transferred from flash
memory into the Stratix II device. This can happen if, for example, the flash
memory contains neither a valid user or factory configuration.
LED1
User
Green
This LED turns on when the user configuration is being transferred from
flash memory and stays illuminated when the user configuration data is
successfully loaded into the Stratix II device.
LED2
Factory
Amber
This LED turns on when the factory configuration is being transferred from
flash memory and stays illuminated if the factory configuration was
successfully loaded into the Stratix II device.
Table 9. Seven-Segment Display & LED Pin-Outs (Part 1 of 2)
Signal
Stratix II Pin
Dual Seven-Segment Display
HEX_0A
C4
HEX_0B
C5
HEX_0C
B5
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