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1 read smt321 firmware version, 2 write to the smt321 scratch register, 3 read the smt321 scratch register – Sundance SMT321 User Manual

Page 40: 4 read smt321 temperatures

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9: Setup Trigger A

10: Setup Trigger B

11: Setup VCO 1

12: Setup VCO 2

13: Setup Clock A

14: Setup Clock B

15: Multiplex Trigger A CONT or PULSE

16: Multiplex Trigger B CONT or PULSE

17: Setup Pulse on Trigger A

18: Setup Pulse on Trigger B

23: EXIT

Select:

There are 19 selections available in the menu with the last selection 23 terminating the
program.

The user must select the option by typing in the value of the selection. For example if the
frequency of VCO2 must be set the user will enter 12 and press enter which will then
generate the sub menu for the particular selection (in this case VCO2).

Each selection will now be discussed in the following sections.

7.1 Read SMT321 Firmware Version

This command reads the SMT321 firmware register and displays the contents on the
screen.

7.2 Write to the SMT321 Scratch Register

The user can write to the scratch register by using this command. It has no effect on the
working of the SMT321.

7.3 Read the SMT321 Scratch Register

Reads the scratch register (by default 0x0000).

7.4 Read SMT321 Temperatures

Reads the MAXIM temperature sensor. The sensor will display the local and remote
temperature (local: on the chip self, remote: diode under the fpga).