EDA: KiCad7
- MCU: STM32F730R8Tx (or compatible)
- Mass storage: MicroSD via DM3D-SF socket (attached to SDMMC1 of STM32)
- USB3318 USB high speed PHY
- 3.3V voltage regulator: AP7313-33SR or compatible
- PCB: 4 layer (Sig1, GND, 3.3V, Sig2) stackup
- 1x USB-C, 1x Micro USB
- 3x 0603 LEDs (power, user1, user2)
- 1x Button (Bootloader + user defined)
- passives: 0402 and 0603
- all componentes are on top, none on bottom
- USB-C connector for hi-speed USB
- Micro USB connector for dev/debugging/DFU bootloader
- Testpads on bottom for UART (debugging, etc.)
- only one 13MHz crystal, connected to STM32 - MCO1 output of STM32 clocks USB PHY
- serial termination resistors in all clock lines