[time-nuts] Form factor

Bob Bownes bownes at gmail.com
Thu Dec 23 14:55:59 UTC 2010


> Really I just used I2C in my write-up as a place holder.  I you say
>> nothing no one ever says a blank paper is wrong and suggests something
>> better.
>>
>
> Using a serial interface is nice, but I2C is not the one of my choosings.
> I'd go for plain serial interface, RS-232 like, but not necesserilly with
> RS-232 levels. Possibly using RS-485. A party line has several issues with
> it, but reduces the cost. It's more suitable for control than pumping data
> out of the device.
>

Additionally, the joy of rs232 (level shifted or not) is that anyone with a
serial port, (direct or USB dongle) can debug it and drive the module.

Not many have the gear to debug i2c, CAN or SPI.


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