The AVR is faster than that..

Sbi pinX,# ; Toggle pin
Sbi pinX,# ; Toggle pin
Sbi pinX,# ; Toggle pin
Sbi pinX,# ; Toggle pin
....

https://www.microchip.com/webdoc/avrassembler/avrassembler.wb_SBI.html

two crystal clocks per instruction, so 8 MHz toggle.


-----Original Message-----
From: piclist-bounces@mit.edu <piclist-bounces@mit.edu> On Behalf Of mike b=
rown
Sent: Friday, July 13, 2018 9:39 AM
To: Microcontroller discussion list - Public. <piclist@mit.edu>
Subject: RE: [PIC] RE: Xpress PIC16F18446 Evaluation Board

Hmm  That pin toggling test isn't exactly fair.  The digitalWrite() functio=
n has a fair amount of overhead to accomplish its task on all the
different platforms.   Error checking, remapping the logical pin to the
chip's physical IO pin (PORTx and bit position), disabling any PWM that mig=
ht be on, saving and restoring SREG, disabling interrupts...  I think I mad=
e my point.  ;)

The pinToggle() function (macro) appears to be fully optimized for one spec=
ific platform.  Using direct port manipulation, the Arduino running at 16MH=
z can toggle an output pin at 4MHz.


-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of=
 Vicent Colomar Prats
Sent: Friday, July 13, 2018 5:48 AM
To: Microcontroller discussion list - Public.
Subject: Re: [PIC] RE: Xpress PIC16F18446 Evaluation Board

I found this small comparative with an Arduino:
https://www.bitsnblobs.com/blog/pic16f18446-vs-arduino-uno-overview-speed-
comparison/


Missatge de Mark E. Skeels <meskeels@gmail.com> del dia dl., 9 de jul.
2018
a les 17:13:

> All,
>
> I am using this Eval board. I soldered a straight pin connector to the=20
> pads on the bottom of the pcb and after updating my Picket 3 firmware=20
> I have been able to take the original project (MPLab light?) and=20
> export it for regular MPLab.
>
> Everything works fine.
>
> Mark
>
>
> On 7/9/2018 9:44 AM, AB Pearce - UKRI STFC wrote:
> >> To debug in the classic way (using the hardware programmer in=20
> >> Mplabx)
> you should dig for more info, I can not help at the momment.
> > The information in the Sensor Board User Guide that goes with the
18446
> X-Press board implies that you can do conventional debug with MPLAB-X.
> Presumably this needs to be the latest version, but they do have other=20
> X-press boards that are useable in the same way.
> >
> >
> >
> >
>
> --
> Skeels Technical Services
> 9714 Norman Ave.
> Machesney Park, IL 61115
> call or text me at 815-979-6705
>
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive=20
> View/change your membership options at=20
> http://mailman.mit.edu/mailman/listinfo/piclist
>
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