[time-nuts] Questionable question about the Lucent RFTGs
kb8tq at n1k.org
Fri Dec 5 17:18:36 EST 2014
> On Dec 5, 2014, at 3:20 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
> doug at dougronald.com said:
>> Also, yes, the 68000 latency most likely required an FPGA's real time
> The 68000 was "just" a CPU. It didn't have the typical counter/timers (or
> other IO gear) that are found in many modern chips targeted at the embedded
> market. Today, you can probably get everything you need on an Arm SOC.
> That's ROM/Flash, RAM, counter/timer and UART.
…… remember … you also need to do a high precision TDC in there somewhere and sync it up to both the GPS and the local pps. There’s more to it than just a simple divider. There’s also multiple clock domains, something that MCU’s rarely are happy with.
> These are my opinions. I hate spam.
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
More information about the time-nuts