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Debugotron SWD Switch

alvarop·debugotron·hw/swd_switch/swd_switch.kicad_pcb

Debugotron SWD Switch PCB layout, top view — open source board by alvarop
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About the Debugotron SWD Switch PCB

Debugotron SWD Switch is an open source PCB design by alvarop, published on GitHub under the BSD-3-Clause license. It is a 4-layer board measuring 30 × 20 mm, with 21 components from 11 distinct parts.

Other key parts include the SN74LVC1G80DCKR, SN74AHC1G32DBVR, SN74LVC2G66DCUR and SN74AHC1G14DBVR. By type, the board carries 6 ICs, 6 resistors, 4 capacitors, 3 connectors, 1 switch and 1 diode.

It belongs with the usb & debug tools and power & battery designs in this gallery.

From the project

Debugotron is a collection of debugging/automation tools I've wanted in the past but didn't have access to. Currently, the tools include:

Debugotron is a collection of debugging/automation tools I've wanted in the past but didn't have access to. Currently, the tools include:

Have you ever wanted to debug your device over USB-C? Sometimes there's not enough room for a JTAG/SWD connector, or even TAGConnect pads! The USB-C specification has a Debug Accessory Mode feature that allows for this. I have a Twitter thread with additional details. Here's an unrolled version for easier reading.

Debugotron SWD Switch, from the project README
From the project README

Main components on the Debugotron SWD Switch

SN74LVC1G80DCKRSN74AHC1G32DBVRSN74LVC2G66DCURSN74AHC1G14DBVR

Debugotron SWD Switch bill of materials (BOM)

21 components, 11 distinct parts.

QtyPartRefs
1
SN74LVC1G80DCKR
U1
1
SN74AHC1G32DBVR
SN74LVC1G32DBVR
U2
3
SN74LVC2G66DCUR
SN74LVC2G66
U3, U4, U5
1
SN74AHC1G14DBVR
SN74AHC1G14
U6
1
USB4515-GF-A
USB_C_Receptacle_USB2.0
J2
1
20021121-00010C4LF
SWD_IN
J3
1
20021121-00010C4LF
SWD_OUT
J5
1
PTS636SL43SMTRLFS
SW_Push
SW1
1
LED
D1
4
0.1uF
C1, C2, C3, C4
6
5.1k
R1, R2, R3, R4, R5, R6

Debugotron SWD Switch design files

The KiCad project lives in the alvarop/debugotron repository on GitHub; these links point at the commit this page was built from.

Debugotron SWD Switch: common questions

How big is the Debugotron SWD Switch PCB?

The Debugotron SWD Switch measures 30 × 20 mm, has 4 copper layers and is 0.799999 mm thick.

How many components are on the Debugotron SWD Switch?

21 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the Debugotron SWD Switch design files?

From the alvarop/debugotron repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Debugotron SWD Switch design in my own project?

Yes, under the terms of its BSD-3-Clause license, which alvarop chose for the repository.

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