Specifications
MCU: STM32H7A3RIT6, 280MHz Cortex-M7, 1.4MB RAM, 2MB Flash
IMU: ICM42688P
Baro: SPL06-001
OSD: AT7456E
Blackbox: 128MB Flash (1G-bit NAND)
6x Uarts (1,2,3,4, 5, 6) with built-in inversion.
11x PWM outputs
1x I2C
1x CAN
4x ADC (VBAT, Current, VB2, Cur2)
3x LEDs for FC STATUS (Blue, Red) and 3.3V indicator(Red)
USB Type-C(USB2.0)
8x PWM outputs on 2x JST-SH1.0_8pin connector for 2x 4in1 ESC
1x JST-GH1.25_4pin connector (5V/CAN-H/CAN-L/G)
9V output ON/OFF switchable
Digital video OSD is supported by any spare UART
Power
Vbat Input: 6~36V (2~8S LiPo)
BEC: 5V 2A cont. (Max.3A)
BEC: 9V 2A cont. (Max.3A)
LDO 3.3V: Max.200mA
No Current Sensor built-in
ADC VB2 pad supports Max. 69V (voltage divider: 1K:20K)
FC Firmware

Physical
Mounting: 30.5 x 30.5mm, Φ4mm with Grommets Φ3mm
Dimensions: 36 x 36 x 5 mm
Weight: 7g
3D step  H7A3-SLIM_step.zip
Including
1x H7A3-SLIM
6x Silicon grommets M4 to M3
2x JST-SH1.0_8pin cable, 5cm,  & 8pin connectors
1x JST-GH-4P to JST-GH-4P cable for CAN port, 20cm