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Envox master MCU module

intergalaktik·bb3-cm4·EEZ_BB3_CM4_H7/H745 CM4 module.kicad_pcb

Envox master MCU module layout, top view — open source STM32 board by intergalaktik

About the Envox master MCU module

Envox master MCU module is an open source STM32 PCB design by intergalaktik, published on GitHub under the Custom license license. It is a 6-layer board measuring 55.1 × 40 mm, with 106 components from 39 distinct parts.

Its main chip is the STM32H757IIT6, from the STM32 family. Other key parts include the TPS2051BDBVR, AP1117-33, IS42S16400J, M24256-BWMN6TP and SZNUP4114HMR6T1G. By type, the board carries 57 capacitors, 31 resistors, 8 ICs, 4 inductors, 2 crystals and 2 connectors.

From the project

CM4 compatible MCU board

This project was funded through the NGI0 Entrust Fund, a fund established by NLnet with financial support from the European Commission's Next Generation Internet programme, under the aegis of DG Communications Networks, Content and Technology under grant agreement No 101069594.

Envox master MCU module, from the project README
From the project README

Main components on the Envox master MCU module

TPS2051BDBVRSTM32H757IIT6AP1117-33IS42S16400JM24256-BWMN6TPSZNUP4114HMR6T1GIP4252CZ8-4-TTL,13LAN8742A-CZ-TR

Envox master MCU module bill of materials (BOM)

106 components, 39 distinct parts.

QtyPartRefs
1
TPS2051BDBVR
IC1
1
STM32H757IIT6
IC2
1
AP1117-33
IC3
1
IS42S16400J
IC4
1
M24256-BWMN6TP
IC6
1
SZNUP4114HMR6T1G
IC7
1
IP4252CZ8-4-TTL,13
IC8
1
LAN8742A-CZ-TR
IC12
1
SSW-106-02-S-S
X1
1
XTAL016178-85SMX
Y1
2
DF40C-100DP-0.4V(51)
J1, J2
1
TSX-3225
XTAL1
1
RB751V40T1G
D1
2
BLM18AG102SH1D
L2, L6
1
FBMJ1608HM180NTR
L3
1
LQM2MPN2R2NG0
L4
36
100n
C1, C9, C12, C13, C14, C15, C16, C17 +28
1
2u2
C2
1
4u7
C3
4
4p7
C5, C6, C21, C22
Show 19 more
QtyPartRefs
3
10u
C8, C65, C66
5
10u
C11, C35, C37, C39, C53
3
1u
C33, C42, C61
1
220p
C40
2
4u7
C41, C43
1
470p
C60
3
1K5
R1, R3, R28
5
10K
R2, R4, R11, R31, R32
4
47K
R5, R6, R18, R19
1
4K7
R7
1
180R
R12
1
47R
R13
3
22R
R14, R15, R16
1
100R
R27
1
12K1 1%
R29
4
49R9
R33, R34, R35, R36
5
YC248-JR-0733RL
RN1, RN2, RN3, RN4, RN5
1
DR1206-33R-4/8
RN6
1
DR1206-10K-4/8
RN7

Envox master MCU module design files

The KiCad project lives in the intergalaktik/bb3-cm4 repository on GitHub; these links point at the commit this page was built from.

Envox master MCU module: common questions

What microcontroller does the Envox master MCU module use?

The Envox master MCU module is built around the STM32H757IIT6, from the STM32 family.

How big is the Envox master MCU module?

The Envox master MCU module measures 55.1 × 40 mm, has 6 copper layers and is 1.4004 mm thick.

How many components are on the Envox master MCU module?

106 components, from 39 distinct parts. The full bill of materials is listed on this page.

Where can I download the Envox master MCU module design files?

From the intergalaktik/bb3-cm4 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Envox master MCU module design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

Can I test firmware for the Envox master MCU module 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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