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inav/docs/boards/MatekF722-SE.md
Darren Lines 95d307adb7 Moved board docs to own folder 
Tidying up the docs folder.
2021-09-19 14:31:52 +01:00

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Board - Matek F722-SE

Full details on the MATEKSYS F722-SE can be found on the Matek Website: mateksys.com/?portfolio=f722-se. INAV Target: MATEKF722SE

Hardware Specs

  • Mass: ~10g
  • PCB Size: 36x46mm
    • 30x30mm Hole pattern (M4 size, M3 size with rubber isolators)

FC Specs

  • Processors and Sensors
    • MCU: STM32F722RET6
    • IMU: MPU6000(Gyro1) & ICM20602(Gyro2) connected via SPI1
    • Baro: BMP280 (connected via I2C1)
    • OSD: BetaFlight OSD (AT7456E connected via SPI2)
  • Blackbox: MicroSD card slot (connected via SPI3)
  • 5 UARTs
  • 8 PWM/Dshot outputs
  • 2 PINIO definition (VTX power switcher/user1 and 2 camera switcher/user2)

Integrated PDB Specs

  • Input: 6-36v (2-8S LiPo) w/TVS protection
  • ESC Pads: Rated 4x30A per ESC pad set (4x46A burst)
  • Voltage Regulators:
    • 5v BEC: 2A continuous load (3A burst)
    • 3.3v LDO: max load: 200mA
  • Power Sense:
    • Current Sensor: Rated for 184A (Suggested scale value 179)
    • Voltage Sensor: 1:10 signal output ratio (Suggested scale value 110)

Status LEDs

LED Color Color Codes
FC Status Blue Unlit: USB disconnected and disarmed,
Lit: USB disconnected and armed,
Flashing: USB connected and disarmed,
5x Rapid Flash then Flashing: USB connected and arming command prevented
Accelerometer Green Accelerometer status (Lit: active, Unlit: inactive)
3v3 Status Red Red: active, Unlit: inactive

Pinout

Pads are organised into two large banks of pads on left and right sides of board with a couple sets of pads on the underside of the board and ESC related connections near the board corners.

          __________
         /  U    U  \
/-----------------------------\
|oE                         Eo|
|SC                         SC|
|                             |
| P                        P  |
| A                        A  |
| D                        D  |
| S                        S  |
|                             |
|ES                         ES|
|oC                         Co|
\------------[USB]------------/
Pad Silkscreen Label Function Notes
+ / - Battery In 6-30vDC LiPo Power input (Battery +/- and 4-in-1 ESC +/- pads)
S1-S8 ESC Out (1-4 near ESC power connections, 5-8 on right side) Supports PWM, Oneshot, Multishot, DSHOT
GND, S1-S4 ESC Out (Rear of board) 4-in-1 ESC Out
VBT, GND VBT Out VBAT power pad (marked for VTX), power ON/OFF can be switched via PINIO1(PC8)
CURR Current Sense Current Sensor I/O pin (output from onboard sensor or input from external sensor)
5V Out from internal 5v BEC (rated 2A continuous, 3A burst)
3V3 Out from 3v3 regulator (rated 200mA)
4V5 Out from 4v4~4v8, 0.5A (power is also supplied when connected via USB)
G GND
LED WS2812 Signal
Bz-, 5V Buzzer
CL, DA I2C I2C connection marked for a magnetometer but could be used for whatever
VTX VTX VTX: Video out
C1/C2 Camera C1: camera-1 IN, C1: camera-2 IN, 2 camera image can be switched via PINIO2(PC9)
RX1, TX1 UART1
TX2 UART2-TX
RX2 UART2-RX RX connection for Spektrum DSMX or DSM2, FlySky iBUS, or PPM (Disable UART2 for PPM)
RX3, TX3 UART3 TX3 can be used for VTX control
RX4, TX4 UART4 RX4 pin PA1 can be used for camera control(PWM)
TX6 UART6-TX
RX6 UART6-RX (One per board corner) Duplicates of RX6 pad for ESC Telemetry
Rssi RSSI FrSky RSSI input from RX (Rear of board)
PA4 ADC/DAC Airspeed_ADC_PIN (Rear of board)
D+, D-. VBus USB pins (Rear of board)