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EEZ BB3 CM4 R1B0

intergalaktik·bb3-cm4·EEZ_BB3_CM4_R1B0/EEZ_BB3_CM4_R1B0.kicad_pcb

EEZ BB3 CM4 R1B0 PCB layout, top view — open source STM32 board by intergalaktik
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About the EEZ BB3 CM4 R1B0 PCB

EEZ BB3 CM4 R1B0 is an open source STM32 PCB design by intergalaktik, published on GitHub under the Custom license license. It is a 4-layer board measuring 249.5 × 95 mm, with 240 components from 81 distinct parts.

Its main chip is the STM32F769IIT6, from the STM32 family. Other key parts include the TPD4E001DRLR, 74AUP1G74DC.125, CD74HC4050PWR, LD1117ADT33TR and N.C.. By type, the board carries 73 resistors, 72 capacitors, 23 jumpers, 16 ICs, 14 crystals and 11 diodes.

From the project

CM4 compatible MCU board

Some pins like PWR_START ( that is needed for starting meanwell power supplys ) are connected to CAM pins on CM4 connector

https://youtu.be/SRumQEken4A?si=kqTtNezlvHsmelDW

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.

EEZ BB3 CM4 R1B0, from the project README
From the project README

Main components on the EEZ BB3 CM4 R1B0

TPD4E001DRLR74AUP1G74DC.125CD74HC4050PWRSTM32F769IIT6LD1117ADT33TRN.C.IS42S16400JAT24C256C-SSHL-BTPS2051BDBVRTPS61169DCKRTSC2007IPWDP83848CVV/NOPBTCA9534PWR

EEZ BB3 CM4 R1B0 bill of materials (BOM)

240 components, 81 distinct parts.

QtyPartRefs
2
TPD4E001DRLR
IC1, IC13
1
74AUP1G74DC.125
IC2
1
CD74HC4050PWR
IC3
1
STM32F769IIT6
IC4
1
LD1117ADT33TR
IC5
2
N.C.
IC6, IC15
1
IS42S16400J
IC7
1
AT24C256C-SSHL-B
IC8
1
N.C.
IC9
1
TPS2051BDBVR
IC11
1
TPS61169DCKR
IC12
1
TSC2007IPW
IC14
1
DP83848CVV/NOPB
IC16
1
TCA9534PWR
IC201
1
N.C.
Q1
1
2N7002
Q2
4
—
Q201, Q202, Q203, Q204
1
DS1024-2*20R0
X1
1
DS1013-16SSIB1
X2
1
691322110005
X3
Show 61 more
QtyPartRefs
1
N.C.
X4
1
LMJTAB881243M-L
X5
3
ZL202-20G
X201, X202, X203
3
DS1023-2*14S21
X301, X303, X304
1
DS1022-2*20RF11
X302
1
25MHz
Y1
1
XTAL016178-85SMX
Y2
1
5033981892
J1
1
67803-8020
J2
1
DS1092-10-W6L
B1
9
JP2-NOCUT
JP1, JP2, JP13, JP14, JP302, JP303, JP304, JP306 +1
2
~
JP3, JP4
8
JP2-CUT
JP5, JP10, JP11, JP12, JP301, JP305, JP307, JP308
2
JP3-CUT-0805-ROTATED
JP6, JP8
1
JP2-NOCUT-0805
JP9
1
JP3-CUT
JP201
4
RT424005
K201, K202, K203, K204
1
505110-4091
LCD1
1
LD-BZEN 0903
SP1
1
TL1100CF160Q
SW1
1
PEC16-2215F-S0024
SW2
1
~
TP1
1
BZX384-B24.115
ZD1
1
MM3Z18VT1G
ZD201
8
N.C.
LED1, LED2, LED201, LED202, LED203, LED204, LED301, LED302
1
SMBJ5.0A-TR
D1
1
RB751V40T1G
D2
2
N.C.
D201, D202
6
BAS316
D203, D204, D205, D206, D302, D303
1
N.C.
D301
2
BLM18AG102SH1D
L1, L3
1
DLG-0403-4R7
L2
2
EEEFK1V220R
C1, C14
6
2u2
C2, C31, C32, C37, C38, C53
4
10n
C3, C5, C7, C8
42
100n
C4, C6, C9, C15, C16, C17, C18, C19 +34
2
18p
C10, C12
2
4p7
C11, C13
5
1u
C24, C34, C35, C51, C58
2
N.C.
C39, C59
3
4u7
C41, C50, C56
1
4u7
C52
1
4n7/1kV
C54
1
10u
C66
1
1n
C301
9
4K7
R1, R4, R5, R7, R8, R9, R12, R15 +1
8
10K
R2, R3, R11, R13, R28, R34, R37, R303
2
1K
R6, R10
18
N.C.
R14, R19, R20, R21, R22, R25, R27, R30 +10
3
1K5
R16, R17, R38
1
47R
R18
2
47K
R23, R24
2
10R
R26, R29
2
22R
R32, R33
2
470K
R35, R36
4
49R9
R39, R40, R43, R48
6
2K2
R42, R47, R49, R52, R53, R55
2
220R
R50, R51
1
4K87
R54
4
100K
R201, R202, R203, R204
7
DR1206-33R-4/8
RN1, RN2, RN3, RN4, RN5, RN6, RN7

EEZ BB3 CM4 R1B0 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.

EEZ BB3 CM4 R1B0: common questions

What microcontroller does the EEZ BB3 CM4 R1B0 use?

The EEZ BB3 CM4 R1B0 is built around the STM32F769IIT6, from the STM32 family.

How big is the EEZ BB3 CM4 R1B0 PCB?

The EEZ BB3 CM4 R1B0 measures 249.5 × 95 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the EEZ BB3 CM4 R1B0?

240 components, from 81 distinct parts. The full bill of materials is listed on this page.

Where can I download the EEZ BB3 CM4 R1B0 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 EEZ BB3 CM4 R1B0 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 EEZ BB3 CM4 R1B0 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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