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GRPPSTIMER is a PPS timer IP core providing basic timekeeping functions such as an Elapsed Time counter, according to the CCSDS Unsegmented code specification. It also comprises a frequency synthesizer and can be synchronized using a Pulse Per Second (PPS) input signal.
The GRPPSTIMER provides datation services that sample the ET counter value on external events. It also provides generation of periodic pulses with cycle periods both greater and less than 1 second. All services in the GRPPSTIMER core are accessible via an AMBA APB slave interface.
See the GRPPSTIMER complete documentation in the download files below.
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