Stm32c5-xiao cf
About the Stm32c5-xiao cf PCB
Stm32c5-xiao cf is an open source Renesas PCB design by yuxiangcheng2002, published on GitHub. It is a 4-layer board measuring 21 × 17.8 mm, with 83 components from 40 distinct parts.
Its main chip is the R7FA4M1AB3CNE#AA0, from the Renesas family. Other key parts include the SGM6029CYG/TR, TLV75533PDBVR, SGM40567-4.2XG/TR, SX1801CCR and UM3301DA. By type, the board carries 23 capacitors, 22 resistors, 16 test points, 7 ICs, 7 diodes and 2 transistors.
It belongs with the power & battery designs in this gallery.
From the project
XIAO form-factor (20×17.5mm) CAN-FD node board based on STM32C542.
XIAO form-factor (20×17.5mm) CAN-FD node board based on STM32C542.
The smallest CAN-FD capable XIAO board on the market. Currently no XIAO-class board has CAN-FD; the RA4M1 XIAO is CAN 2.0B only. This board fills the gap with a Cortex-M33 + CAN-FD + USB FS in the XIAO footprint.
STM32C542KCT6 — LQFP32 (7×7mm), 256KB Flash, 64KB SRAM
Why this chip: - Only C5 part in LQFP32 with 2× FDCAN + AES hardware + USB FS - C531 has NO FDCAN (confirmed in datasheet DS15125 ordering info: "531 = Product without FDCAN") - C55x/C562 have only 0-1 FDCAN and higher pin count floor - C542 uses FDCAN2 on…
Main components on the Stm32c5-xiao cf
Stm32c5-xiao cf bill of materials (BOM)
83 components, 40 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SGM6029CYG/TR SGMICRO | BGA6-0.35-0.745X10.95X0.4MM | U1 |
| 1 | TLV75533PDBVR ~ Texas Instruments | MOUDLE14P-XIAO-HALF-HOLE | U2 |
| 1 | SGM40567-4.2XG/TR SGMICRO | WLCSP-0.4-0.92X1.16X0.4MM | U3 |
| 1 | R7FA4M1AB3CNE#AA0 RENESAS | QFN48-0.5-7X7MM | U4 |
| 2 | SX1801CCR 6SIGMA | WLCSP4-0.4-0.77X0.77X0.33MM | U5, U6 |
| 1 | UM3301DA UNION | DFN6-0.5-1.45X1X0.6 | U7 |
| 1 | LP0404N3T5G LRC | PMOS_1.0X0.6X0.35MM | Q1 |
| 1 | LN237N3T5G LRC | PMOS_1.0X0.6X0.35MM | Q2 |
| 1 | XYDBPCNANF-12MHZ 12MHz 12pF TAITIEN | X4-SMD-2.5X2.0MM | X1 |
| 2 | TD-1183SN-A3N-D1R DeYiLong | BUTTON_TD1183SA | K1, K2 |
| 6 | Test Point | TP-D45MIL | TP1, TP2, TP3, TP4, TP5, TP6 |
| 8 | Test Point | TP-1.6MM-ROUND | TP7, TP8, TP11, TP12, TP13, TP14, TP15, TP16 |
| 2 | Test Point | TP-80X40MIL | TP9, TP10 |
| 1 | USB-31C-F-16P-L7.35 USB2.0 Type C JINGBEILI | USB2.0-TYPE-C_USB-31C-F-16P | USB1 |
| 1 | HQ19-S7B4GARBCAA8A RGB HQG | LED4-0.8-1.6X1.5X0.55MM | RGB1 |
| 1 | LMBR4010BST5G LRC | DFN1006-2L | D1 |
| 3 | DF2B7ASL,L3F TOSHIBA | ESD-0201 | D2, D5, D6 |
| 1 | LNZ8F5V6T5G LRC | DFN1006-2L | D3 |
| 1 | BL-HUB37A-AV-TRB Red Bright | LED-0402 | D4 |
| 1 | 16-213/Y2C-AN2Q1B/3T Yellow Everlight | LED-0402 | D7 |
Show 20 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TFM160808ALC-R47MTAA 0.47uH TDK | L0603 | L1 |
| 2 | CC0402MRX5R6BB106 10uF YAGEO | C0402 | C1, C4 |
| 9 | CC0201KRX5R6BB104 100nF YAGEO | C0201 | C2, C3, C5, C7, C10, C11, C15, C19 +1 |
| 7 | GRM033R61A105ME44D 1uF muRata | C0201 | C6, C8, C9, C23, C27, C28, C29 |
| 1 | GRM035R60J475ME15D 4.7uF Murata | C0201 | C13 |
| 3 | GRM0335C1H180JA01D 18pF Murata | C0201 | C17, C18, C20 |
| 1 | CC0201KRX7R7BB103 10nF YAGEO | C0201 | C21 |
| 1 | RC0201FR-07249KL 249K YAGEO | R0201 | R1 |
| 5 | RC0201FR-0710KL 10K YAGEO | R0201 | R2, R12, R15, R16, R18 |
| 3 | RC0201FR-075K1L 5.1K YAGEO | R0201 | R3, R6, R17 |
| 1 | RC0201FR-0715RL 15R YAGEO | R0201 | R4 |
| 2 | RC0201FR-070RL 0R YAGEO | R0201 | R5, R11 |
| 1 | RC0201FR-0720KL 20K YAGEO | R0201 | R7 |
| 1 | RC0201FR-07100KL 100K YAGEO | R0201 | R9 |
| 1 | RC0201FR-07160KL 160K YAGEO | R0201 | R10 |
| 2 | RC0201FR-07470KL 470K YAGEO | R0201 | R13, R14 |
| 1 | RC0201FR-072K2L 2.2K YAGEO | R0201 | R19 |
| 1 | RC0201FR-07100RL 100R YAGEO | R0201 | R20 |
| 1 | RC0201FR-071K5L 1.5K YAGEO | R0201 | R22 |
| 2 | RC0201JR-0722RL 22R YAGEO | R0201 | R23, R24 |
Stm32c5-xiao cf design files
The KiCad project lives in the yuxiangcheng2002/stm32c5-xiao-cf repository on GitHub; these links point at the commit this page was built from.
Stm32c5-xiao cf: common questions
What microcontroller does the Stm32c5-xiao cf use?
The Stm32c5-xiao cf is built around the R7FA4M1AB3CNE#AA0, from the Renesas family.
How big is the Stm32c5-xiao cf PCB?
The Stm32c5-xiao cf measures 21 × 17.8 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Stm32c5-xiao cf?
83 components, from 40 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Stm32c5-xiao cf design files?
From the yuxiangcheng2002/stm32c5-xiao-cf repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Stm32c5-xiao cf design in my own project?
The repository has no license, so all rights stay with yuxiangcheng2002. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Stm32c5-xiao cf without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Renesas firmware against it before you order a PCB.
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