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SWD2USBC Sample Target

alvarop·swd2usbc·sample-target/sample-target.kicad_pcb

SWD2USBC Sample Target PCB layout, top view — open source RP2040/RP2350 board by alvarop

About the SWD2USBC Sample Target PCB

SWD2USBC Sample Target is an open source RP2040/RP2350 PCB design by alvarop, published on GitHub under the CC0-1.0 license. It is a 4-layer board measuring 51.8 × 20 mm, with 47 components from 19 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the MIC5504-3.3YM5-TR, W25Q128JVS, LM358QT, SN74AHC1G08DBVR and TMUX1511PWR. By type, the board carries 20 capacitors, 12 resistors, 7 ICs, 3 diodes, 2 connectors and 2 switches.

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

From the project

Have you ever wanted to debug your device over USB-C? Sometimes there's not enough room for a JTAG/SWD connector, or even Tag-Connect pads!

Have you ever wanted to debug your device over USB-C? Sometimes there's not enough room for a JTAG/SWD connector, or even Tag-Connect pads!

For history and all of the details, check out my detailed write up here.

Full featured adapter with Debug Accessory Mode support. Includes an ATTiny microcontroller to set the correct pull-up resistors on CC1/CC2 to provide accurate charge current to the target. Has a USB-C plug so no extra USB-C cable required

SWD2USBC Sample Target, from the project README
From the project README

Main components on the SWD2USBC Sample Target

MIC5504-3.3YM5-TRW25Q128JVSRP2040LM358QTSN74AHC1G08DBVRTMUX1511PWR

SWD2USBC Sample Target bill of materials (BOM)

47 components, 19 distinct parts.

QtyPartRefs
1
MIC5504-3.3YM5-TR
MIC5504-3.3YM5
U1
1
W25Q128JVS
U2
1
RP2040
U3
1
LM358QT
LM358_DFN
U4
1
SN74AHC1G08DBVR
U5
2
TMUX1511PWR
U6, U7
1
ABM8-272-T3
Y1
1
UT11113-11602-7H
USB_C_Receptacle
J1
1
Conn_01x03
J2
2
SKRKAEE020
SW_Push
SW1, SW2
3
LED
D1, D2, D3
4
1uF
C1, C2, C8, C10
14
CL05B104KB54PNC
0.1uF
C3, C4, C7, C9, C11, C12, C13, C14 +6
2
15p
C5, C6
3
5.1k
R1, R2, R11
5
1k
R3, R6, R7, R8, R12
2
27
R4, R5
1
240k
R9
1
10k
R10

SWD2USBC Sample Target design files

The KiCad project lives in the alvarop/swd2usbc repository on GitHub; these links point at the commit this page was built from.

SWD2USBC Sample Target: common questions

What microcontroller does the SWD2USBC Sample Target use?

The SWD2USBC Sample Target is built around the RP2040, from the RP2040/RP2350 family.

How big is the SWD2USBC Sample Target PCB?

The SWD2USBC Sample Target measures 51.8 × 20 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the SWD2USBC Sample Target?

47 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the SWD2USBC Sample Target design files?

From the alvarop/swd2usbc repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the SWD2USBC Sample Target design in my own project?

Yes, under the terms of its CC0-1.0 license, which alvarop chose for the repository.

Can I test firmware for the SWD2USBC Sample Target without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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