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Q: Why choose STM32H723 over STM32H743 for a drone flight controller?
A: The H723 offers three key advantages for flight controller designs: (1) Higher clock — 550 MHz vs 480 MHz, giving 15% more headroom for gyro/PID loops. (2) Built-in USB HS PHY — eliminates the external ULPI PHY IC required by H743 for USB High-Speed, reducing BOM cost and board area. (3) Lower cost
Q: Can the STM32H723 run Betaflight 4.5+?
A: Yes. Betaflight 4.4+ H7 unified targets fully support the STM32H723. Flash using the STM32H723 target in Betaflight Configurator. With 550 MHz and 564 KB RAM, the H723 runs 8 kHz gyro loops with bidirectional DShot, RPM filtering, GPS Rescue, HD OSD, and Blackbox logging to SD card simultaneously. T
Q: Does the H723 support ArduPilot and PX4?
A: ArduPilot: Yes. The H723 is a fully supported ArduPilot target (ChibiOS HAL) for copter, plane, and rover. With 564 KB RAM, it runs EKF3, terrain following, and Lua scripting with careful feature selection. PX4: Limited. PX4's NuttX RTOS and uORB overhead push the H723's RAM budget; the H743 is offi
In the drone ecosystem, the STM32H723VGT6 is the Betaflight 4.4+ H7 AIO boards, Diatone Mamba H723, iFlight H7 FCs . Betaflight 4.4+ H7 unified targets run at 8 kHz gyro / DShot 600 with RPM filtering, GPS Rescue 2.0, and HD OSD — all on a single MCU. With 80 GPIOs, 5× SPI, 5× I²C, 8 UARTs, and dual FD-CAN, it connects dual IMUs, ExpressLRS/Crossfire receivers, HDZero/Walksnail VTX, GPS, and SD-card blackbox simultaneously. It is the definitive F7 replacement for next-generation flight controller designs.
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | STM32H723VGT6 |
| Core | ARM Cortex-M7 with double-precision FPv5 FPU |
| Max Clock | 550 MHz |
| Flash | 1 MB (dual-bank) |
| SRAM | 564 KB (including TCM + AXI SRAM) |
| Package | LQFP-100 (14×14 mm, 0.5 mm pitch) |
| Supply Voltage | 1.71V – 3.6V |
| Operating Temperature | −40°C to +85°C |
| GPIO | 80 |
| ADC | 3× 16-bit (up to 24 channels) |
| DAC | 2× 12-bit |
| Timers | 2× 32-bit advanced, 8× 16-bit general-purpose, 2× basic |
| Communication | 4× USART + 4× UART, 5× SPI, 5× I²C, 2× FD-CAN, 2× USB 2.0 OTG (HS + FS, built-in PHY on FS) |
| SDIO | 1× SD/SDIO/MMC |
| DMA2D | No |
| Crypto | No |
| Debug | SWD + JTAG + ETM trace |
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