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Version 3.0
Clock Speed
You must consider EMIF device speeds when choosing the appropriate C6000 clock
speed. Under most circumstances, the C6201 would be set to 200MHz and have an
SBSRAM speed equal to the core speed; the C6701 would be set to 166MHz. See
the description of jumper JP1 on page 45.
C6000 clock
133
166
200
200
LED Setting
The SMT335E has 7LEDs.
The LEDs 1 to 4 can be controlled with the LED register. Writing 1 will illuminate the
LED; writing 0 will turn it off.
LED 5 always displays the state of the FPGA DONE pin. This LED is off when the
FPGA is configured (DONE=1) and on when it is not configured (DONE=0). This LED
should go on when the board is first powered up and go off when the FPGA has been
successfully programmed. If it stays on, the DSP is not booting correctly. It should go
on and off at every reset.
The LED 6 is showing the 3.3V power supply. It should be on. If not check that you
have the mounting pillars and screws fitted properly.
The LED 7 is showing the Virtex core power supply. It should be on.
LED Register
31–4
SBSRAM
SDRAM
133
67
166
83
100
100
200
100
Page 35 of 53
FPGA
67
83
100
100
3
2
LED 4
LED 3
RW,0
RW,0
SMT335E SMT375E User Manual
LED 0x03D00000
1
0
LED 2
LED 1
RW,0
RW,0
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