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MCU

Ironman-007·HexSense_Canary_Islands·PCB/MCU/V2_STM32L476/MCU.kicad_pcb

MCU PCB layout, top view — open source STM32 board by Ironman-007

About the MCU PCB

MCU is an open source STM32 PCB design by Ironman-007, published on GitHub. It is a 2-layer board measuring 40 × 46.2 mm, with 49 components from 26 distinct parts.

Its main chip is the STM32L476RGT6, from the STM32 family. Other key parts include the LTC4311CSC6#TRPBF, MB85RS2MTAPNF-G-BDERE1, MAX6372, ADP160AUJZ-3.3-R7 and ICM-20948. By type, the board carries 17 capacitors, 15 resistors, 7 ICs, 4 connectors, 2 transistors and 2 crystals.

Main components on the MCU

LTC4311CSC6#TRPBFMB85RS2MTAPNF-G-BDERE1MAX6372ADP160AUJZ-3.3-R7ICM-20948ADP160AUJZ-1.8STM32L476RGT6

MCU bill of materials (BOM)

49 components, 26 distinct parts.

QtyPartRefs
1
LTC4311CSC6#TRPBF
IC2
1
MB85RS2MTAPNF-G-BDERE1
U1
1
MAX6372
U3
1
ADP160AUJZ-3.3-R7
U4
1
ICM-20948
U5
1
ADP160AUJZ-1.8
U6
1
STM32L476RGT6
U7
2
PJE8408_R1_00001
Q1, Q2
1
32KHz
Y2
1
ECS-160-12-33-AGN-TR3
Y3
2
Conn_02x06_Odd_Even
J1, J2
1
RESET
J5
1
Conn_01x04_Pin
J6
1
RST Jumper
JP1
1
Green
D2
2
0.01uF
C1, C3
9
0.1uF
C8, C11, C14, C16, C17, C18, C19, C20 +1
1
10uF
C9
1
0.1uF
C10
4
18pF
C22, C23, C24, C26
Show 6 more
QtyPartRefs
2
4.7kΩ
UNI-ROYAL(Uniroyal Elec)
R1, R2
9
10K
R3, R4, R5, R6, R12, R13, R17, R18 +1
1
0
R9
1
0Ω
UNI-ROYAL(Uniroyal Elec)
R16
1
10kΩ
UNI-ROYAL(Uniroyal Elec)
R22
1
10kΩ
UNI-ROYAL(Uniroyal Elec)
R25

MCU design files

The KiCad project lives in the Ironman-007/HexSense_Canary_Islands repository on GitHub; these links point at the commit this page was built from.

MCU: common questions

What microcontroller does the MCU use?

The MCU is built around the STM32L476RGT6, from the STM32 family.

How big is the MCU PCB?

The MCU measures 40 × 46.2 mm, has 2 copper layers and is 1.2 mm thick.

How many components are on the MCU?

49 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the MCU design files?

From the Ironman-007/HexSense_Canary_Islands repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the MCU design in my own project?

The repository has no license, so all rights stay with Ironman-007. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the MCU 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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