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Recent technical history of Power1401-3A firmware

There are two types of firmware in the Power1401: software and hardware. The software firmware is the program code that tests the Power1401 when you switch it on and that then obeys instructions transmitted from the host. The hardware firmware includes controls for components such as the ADC and DACs, the clocks, the digital input and output, and the host ports.

Revision 08 - Freely downloadable now.

If your serial number is below P6000, see the history of the Power3.


Date Version Summary
10/18 08 Monitor 8
  • TIMER,S; monitor command failed as it demanded 5 arguments. Now it works and matches the documentation.
  • The DAC monitor command can now update up to 16 DACs (was 4).
  • Self-test: RS232 serial output of self-test errors 81, 82 was omitted (Try1401 was OK).
  • Combination of Top box with ADC gains and motherboard with no gains caused crash on gain change.
02/17 07 Monitor 7
  • The front panel Event 0 and 1 LEDs will now turn on when input is expected in Spike2/Signal and blink off on each event, rather than be off and blink on for each event.
  • Fix for setting the (optional) ADC channel gains.
  • There is also a bug fix to do with the digital port handshake protocols.
10/16 06 Monitor 6

FPGA 6

  • Fixed ADC errors at higher speeds and spurious interrupt errors.
  • Digital I/O handshake mode implemented.
08/16 01 First version
Cambridge Electronic Design Limited

Registered in England: 00972132

Registered office:

  • Cambridge Electronic Design Limited,
  • Technical Centre,
  • 139 Cambridge Road,
  • Milton,
  • Cambridge CB24 6AZ
  • ENGLAND.

VAT: GB 214 2617 96

Producer registration number: WEE/BD0050TZ

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For our US customers, we can provide tax form W-8BEN, that identifies us as a UK company.

DUNS: 219151016
CAGE/NCAGE: KB797
NAICS: 423490
Commodity codes
Hardware: 84716070
Software: 85234945
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By email:

info@ced.co.uk

By post:
  • Cambridge Electronic Design Limited,
  • Technical Centre,
  • 139 Cambridge Road,
  • Milton,
  • Cambridge CB24 6AZ
  • ENGLAND.
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(Int.+44) (0)1223 420186

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