Sundance SMT395Q User Manual

Page 17

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Version 1.0.7

Page 17 of 31

SMT395Q User Manual

There is an 8-wire interface between the MPS430 and the FPGA. The signal functionality is
shown here;

Signal Function

F0 Data

0

F1 Data

1

F2 Data

2

F3 Data

3

F4 RD

strobe

F5 WR

strobe

F6 Reset

F7 Int

Power and temperature measurements are passed over this bus and into the FPGA. The
following table shows the values and register locations:

Location Value

00-03

Gen. Purpose 1

04-07

Gen. Purpose 2

08-0B DSP_A

3.3V

0C-0F DSP_A

core

10-13 DSP_B

3.3V

14-17 DSP_B

core

18-1B DSP_C

3.3V

1C-1F DSP_C

core

20-23 DSP_D

3.3V

24-27 DSP_D

core

28-2B DDR

high

2C-2F DDR

low

30-33 FPGA

high

34-37 FPGA

low

38-3B

DSP core PSU

3C-3F FPGA

temp

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