
CANine V1.4
motionlayer/CANine
Firmware, schematic and board drawings for the CANine USBC↔︎CAN adapter

The STM32F042C6U6 is a microcontroller made by STMicroelectronics in a UFQFPN-48(7x7) package with 49 pins. -40℃~+85℃ 1.65V~3.6V 12bit 32 Bit 32KB 38 48MHz 6KB ARM Cortex-M0 Built-in FLASH UFQFPN-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (MCU_ST_STM32F0:STM32F042C6Ux, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C130403). 4 open-source boards in 3 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | VBAT | Power in |
| 2 | PC13 | Input/output |
| 3 | PC14 | Input/output |
| 4 | PC15 | Input/output |
| 5 | PF0 | Input/output |
| 6 | PF1 | Input/output |
| 7 | NRST | Input |
| 8 | VSSA | Power in |
| 9 | VDDA | Power in |
| 10 | PA0 | Input/output |
| 11 | PA1 | Input/output |
| 12 | PA2 | Input/output |
| 13 | PA3 | Input/output |
| 14 | PA4 | Input/output |
| 15 | PA5 | Input/output |
| 16 | PA6 | Input/output |
| 17 | PA7 | Input/output |
| 18 | PB0 | Input/output |
| 19 | PB1 | Input/output |
| 20 | PB2 | Input/output |
| 21 | PB10 | Input/output |
| 22 | PB11 | Input/output |
| 23 | VSS | Power in |
| 24 | VDD | Power in |
| 25 | PB12 | Input/output |
| 26 | PB13 | Input/output |
| 27 | PB14 | Input/output |
| 28 | PB15 | Input/output |
| 29 | PA8 | Input/output |
| 30 | PA9 | Input/output |
| 31 | PA10 | Input/output |
| 32 | PA11 | Input/output |
| 33 | PA12 | Input/output |
| 34 | PA13 | Input/output |
| 35 | VSS | Passive |
| 36 | VDDIO2 | Power in |
| 37 | PA14 | Input/output |
| 38 | PA15 | Input/output |
| 39 | PB3 | Input/output |
| 40 | PB4 | Input/output |
| 41 | PB5 | Input/output |
| 42 | PB6 | Input/output |
| 43 | PB7 | Input/output |
| 44 | PF11 | Input/output |
| 45 | PB8 | Input/output |
| 46 | PB9 | Input/output |
| 47 | VSS | Passive |
| 48 | VDD | Power in |
| 49 | VSS | Passive |

motionlayer/CANine
Firmware, schematic and board drawings for the CANine USBC↔︎CAN adapter

HEEV/supermileageHW
Hardware (schematics, wiring-diagrams, PCBs) for the Cedarville Supermileage team.

o7-machinehum/Blackpants
Open blackpants.kicadpro for the active A523 schematic and PCB. It replaces the A33 hierarchy and uses AXP717C + AXP323 with 2GB LPDDR4.

HEEV/supermileageHW
Hardware (schematics, wiring-diagrams, PCBs) for the Cedarville Supermileage team.
<iframe src="https://pcbkit.io/embed/parts/st/STM32F042C6U6" title="STM32F042C6U6 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/STM32F042C6U6.jpg" alt="STM32F042C6U6" width="1200" height="900">[](https://pcbkit.io/parts/st/STM32F042C6U6)Yes. The symbol is MCU_ST_STM32F0:STM32F042C6Ux and the footprint Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
UFQFPN-48(7x7), with 49 pins. Its footprint is drawn on this page.
STMicroelectronics publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C130403, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the STM32WLE5CCU6 by STMicroelectronics, the STM32G431CBU6 by STMicroelectronics, the STM32F401CCU6 by STMicroelectronics and the STM32F411CCU6 by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
4 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.