Silicon Chip – May 2019

(Elliott) #1
siliconchip.com.au Australia’s electronics magazine May 2019 83

ICROCHIP SNAP


Hot on the heels of the new PICkit 4 comes the Snap Debugger/Programmer,


and it’s a fraction of the price of a PICkit 4. So how does it compare?
Read on and see.

DEBUGGER/PROGRAMMER


Review by
Tim Blythman

Y


ou’d probably recall our review
of the PICkit 4 in the September
2018 issue (siliconchip.com.
au/Article/11237). We noted that the
PICkit 4 is faster than its predecessors,
both for programming and debugging.
Clones of the PICkit 2 and PICkit
3 are both in circulation, and given
that Microchip has open-sourced the
designs of both, the clones appear to
work similarly; there is no reason for
them to be significantly different to
the originals.
Either of these can be had for around
$20 from many online sellers.
The Snap is made by Microchip and
appears to be selling at a similar price
to the PICkit 2 and PICkit 3 clones, so
it’s worthwhile comparing them. Mi-
crochip Direct (Microchip’s online
store) sells the PICkit 4 for US$47.95,

while the Snap is US$14.95.

The Snap Debugger/Programmer is
based on the same Atmel SAM E70
32-bit MCU and has the same 8-pin
header as the PICkit 4, although it’s
somewhat less complex, which is how
Microchip can reduce the cost com-
pared to the PICkit 4.
For a start, there is no enclosure; all
you get is a bare PCB populated with

components. But we found a link on
the Digi-Key website to download a
set of 3D printable case files, at: http://www.
thingiverse.com/thing:3074301 We’ll
have more on that case later.
Also, the PCB is much smaller than
even the PICkit 2, let alone the PICk-
it 4. Partly this is because it lacks a
microSD card socket, so presumably,
the Programmer-To-Go function is not
available.
There is a QR code stuck to the top of
the main IC. It leads you to information
on the Snap, at this link: siliconchip.
com.au/link/aanq

First use
We are currently using MPLAB X
version 5.05 (on Windows 10; Win-
dows 7, macOS and some Linux vari-
ants are also supported). This is the
Free download pdf