7.2 DPP Firmware Upgrade
CAEN can provides special DPP-QDC firmware for Physics Applications supported only by x740D
versions. The digitizer running DPP-QDC firmware becomes a Gated Integrator receiving signals
directly from the detector (no charge preamp required).
The DPP-QDC firmware updates are available for download on CAEN website in the Download
tab (login required) at:
Home / Products / Firmware/Software / DPP Firmware/Software Tools (Digitizer) / DPP Firmware / DPP-QDC
7.2.1 DPP Firmware File Description
The extension of the programming DPP firmware file is CFA (CAEN Firmware Archive), which is a
sort of archive format file aggregating all the firmware files compatible with the same DPP
firmware and family of digitizers.
CFA and its name follows this general scheme:
x740D_DPP-QDC_rev_X.Y_135.Z.CFA
where the major revision number of the channel FPGA is fixed for the specific DPP algorithm and
digitizer family (“135” for DPP-QDC and 740D). The other fields have the same meaning as in the
default firmware file description (see § 7.1.1).
NOTE: DPP special firmware is a pay firmware requiring a license to be purchased. If not licensed,
the firmware will run fully functional but with a time limitation per power cycle (30 minutes).
Details on the license ordering procedure can be found in CAENUpgrader Quick Start Guide (see
§ 5.1).
NOTE: if the x740D module is ordered together with a DPP-QDC firmware license, the customer
will be delivered with the digitizer already running the licensed (i.e. unlocked) special firmware.
NOTE: once unlocked, upgrading the same kind of DPP firmware requires no further licensing.
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