[time-nuts] PLL suggestions

[Bob kb8tq]

Hi

....... SOIC-8 is an 8 pin rather than a 6 pin package :)

Bob

> On Jan 1, 2020, at 8:54 AM, Graham / KE9H <ke9h.graham at gmail.com> wrote:
> 
> On Tue, Dec 31, 2019 at 9:38 PM Bob kb8tq <kb8tq at n1k.org> wrote:
> 
>> Hi
>> 
>> The gotcha with a 6 pin package is that it is unlikely to have a (4 pin)
>> SPI interface.
>> Pretty much every PLL chip in the universe is SPI.
>> 
>> Bob
>> 
>> 
> Bob:
> 
> I think things are more powerful than you think.
> 
> For example, check out a PIC16F18313, 8 pin SOIC-8.
> 6 I-O pins, mappable through a pin-mux.
> Includes ADC, DAC, 3  Timers, UART, I2C, SPI, 2 blocks of user configurable
> logic, and an on board CPU master clock good to 1 % over temp and voltage.
> 
> $0.75 in quantity 1 !
> 
> So, all of that for less than a 555 timer IC.
> 
> You don't have enough pins to get at everything simultaneously, but no
> problem configuring a PLL over a SPI.
> 
> --- Graham
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