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Dspod h7r3

emeb·dspod·dspod_h7r3/Hardware/dspod_h7r3.kicad_pcb

Dspod h7r3 PCB layout, top view — open source STM32 board by emeb

About the Dspod h7r3 PCB

Dspod h7r3 is an open source STM32 PCB design by emeb, published on GitHub under the MIT license. It is a 4-layer board measuring 26.4 × 41.7 mm, with 58 components from 24 distinct parts.

Its main chip is the STM32H7R3V8Tx, from the STM32 family. Other key parts include the XC6222B331MR-G, NAU88C22, APS6404L-3SQR-SN and Small Avatar / Logo. By type, the board carries 33 capacitors, 8 resistors, 5 ICs, 5 connectors, 2 switches and 2 diodes.

It belongs with the audio designs in this gallery.

From the project

A family of boards for Eurorack DSP audio

The dspod_h7r3 is a daughterboard comprising an STM32H7R3V8 MCU with a choice of PSRAM or Flash, USB and GPIO + audio I/O.

This board is a small 32-pin device with the following features:

STM32H7R3V8 MCU - 100-pin LQFP package - Arm Cortex M7 CPU at 600MHz max clock - 620kB SRAM - 64kB Flash - USB, I2C, SPI, ADC, GPIO, etc on-chip USB-C connector, high-speed or full-speed host/device and power SOIC-8 flash or PSRAM (or both!) Nuvoton NAU88C22 stereo codec Activity LED 3.3V level serial for debug / status SWD for flashing / debug IO routed to 0.1inch headers: - SPI - I2C - GPIO - Analog -…

Dspod h7r3, from the project README
From the project README

Main components on the Dspod h7r3

XC6222B331MR-GSTM32H7R3V8TxNAU88C22APS6404L-3SQR-SNSmall Avatar / Logo

Dspod h7r3 bill of materials (BOM)

58 components, 24 distinct parts.

QtyPartRefs
2
XC6222B331MR-G
U1, U2
1
STM32H7R3V8Tx
U3
1
NAU88C22
U4
1
APS6404L-3SQR-SN
U6
1
Small Avatar / Logo
A1
1
ABM10-167-12.000MHZ-T3
Y1
1
USB_C_Receptacle_USB2.0
J3
2
Conn_01x16
J4, J5
1
CONN_01X03
P1
1
CONN_01X06
P5
2
SW_Push
SW1, SW2
1
PMEG2005CT,215
D1
1
LED Green
D2
1
1k
FB1
16
0.1uf
C1, C5, C7, C12, C13, C14, C15, C16 +8
2
12pf
C2, C4
9
4.7uf
C3, C10, C11, C20, C21, C22, C23, C24 +1
3
1uf
C6, C18, C30
3
2.2uf
C8, C9, C28
2
10k
R1, R2
Show 4 more
QtyPartRefs
1
1k
R3
2
5k1
R4, R5
1
1M
R6
2
4k7
R7, R8

Dspod h7r3 design files

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

Dspod h7r3: common questions

What microcontroller does the Dspod h7r3 use?

The Dspod h7r3 is built around the STM32H7R3V8Tx, from the STM32 family.

How big is the Dspod h7r3 PCB?

The Dspod h7r3 measures 26.4 × 41.7 mm, has 4 copper layers and is 1.5313 mm thick.

How many components are on the Dspod h7r3?

58 components, from 24 distinct parts. The full bill of materials is listed on this page.

Where can I download the Dspod h7r3 design files?

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

Can I use the Dspod h7r3 design in my own project?

Yes, under the terms of its MIT license, which emeb chose for the repository.

Can I test firmware for the Dspod h7r3 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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