Mateksys F722-SE Installation guide

Nov.2018 Rev 1.0 www.mateksys.com
FLIGHT CONTROLLER F722-SE
BASIC MANUAL
MCU: 216MHz STM32F722RET6
IMU: MPU6000 & ICM20602, Dual Gyros built-in
Baro: BMP280
OSD: AT7456E
Blackbox: MicroSD card slot
5x Uarts (1,2,3,4,6) with built-in inversion
1x Softserial supported
8x Dshot/Proshot/oneshot outputs
1x I2C
4x RX6 pads for BLheli32 ESC telemetry
4x individual ESC power/signal pads
1x Group of G/S1/S2/S3/S4 pads for 4in1 ESC Signal/GND
Vbat filtered output power for VTX, switchable via AUX (modes tab-user1)
Dual Camera image switchable via AUX (modes tab-user2)
Camera control
Smartaudio & Tramp VTX protocol
WS2812 Led Strip
Beeper
RSSI
INAV analog airspeed
Input: 6~36V (3~8S LiPo)
PDB: 4x35A (Max.4x46A)
BEC: 5V 2A cont. (Max.3A)
LDO 3.3V: Max.200mA
Current Sensor 184A (Scale 179)
Battery Voltage Sensor: 1:10 (Scale 110)

Nov.2018 Rev 1.0 www.mateksys.com
OSD
AT7456E MPU
6000
BARO
BlackBox
MicroSD Slot
MCU
STM32F722RET6
0m25
USB
DFU
ICM
20602
S1/S2/S3/S4: ESC signal
RX6: UART6_RX, One per corner
Duplicates of RX6 pad for ESC Telemetry
TX6: UART6_TX, nearby 3xLEDs
Curr: current sensor signal IN or OUT
Voltage meter scale: 110
On board current sensor: 184A (Scale 179)
*** Current readout is not accurate when load <1A
+ & - : LiPO & ESC power pads
6~36V (2~8S)
*** 50V capacitor is necessary
with 8S input
RSSI: Receiver RSSI IN
PA4: for analog Airspeed sensor in INAV
No function in BF
G/S1/S2/S3/S4: for 4in1 ESC
Size & Weight: 36x46mm /10g
Holes: Φ4mm, 30.5mm mounting
M3 Silicon Grommets included
5V: onboard BEC 5V 2A cont. Max.3A
4V5: 4.4~4.8V, Max.500mA, the voltage is also supplied when connecting via USB
3V3: LDO3.3V Max.200mA
G: Ground
RX1 & TX1: UART1
CL & DA: I2C1_SCL & SDA
RX2: UART2_RX for Serial RX by default, PPM share RX2 pad
TX2: UART2_TX
*** TX2 can be remapped to softserial_tx1 to get one more Uart for Frsky SmartPort
(CLI resource SERIAL_TX 11 A02)
*** F722 MCU has build-in inversion, SBUS can be connected to any unused UART_RX.
*** Frsky FPort, SmartPort, Tramp & SmartAudio can be connected to any unused UART_TX
LED: 2812 LED signal
Bz- & 5V: General active 5V buzzer
Bz- /5V/G: for MATEKSYS DBUZ5V
C1: Camera-1 video IN (Default)
C2: Camera-2 video IN
*** C1/C2 can be switched via PINIO2 (Modes Tab/USER2)
VTX: Video OUT for Video Transmitter
Vbat: Battery voltage filtered, Max.1A load on this pad. (Default ON)
*** ON/OFF can be switched via PINIO1 (Modes Tab/USER1)
G/Gnd: Ground
RX3 & TX3: UART3
RX4 & TX4: UART4
*** RX4 has 200ohm built-in, can be remapped to PWM camera control
(CLI resource camera_control 1 A01)
S5/S6
S7/S8: ESC signal
LED 3.3: Red, 3.3V Status
LED 0: Blue, FC Status
LED 1: Green, FC Status
D+ & D-: USB data
VBus: USB voltage
LAYOUT

Nov.2018 Rev 1.0 www.mateksys.com
CLI get gyro_to_use
FIRST = MPU6000 by default
SECOND = ICM20602
BOTH is not supported on this FC
CLI get gyro_to_use
0 = MPU6000 by default
1 = ICM20602
Select ICM20602
CLI set gyro_to_use = 1
set acc_hardware = MPU6500
save
CLI get acc_hardware
CLI status
Select ICM20602
CLI set gyro_to_use = second
save
*** ICM20602 provides fast response, but it is sensitive. Be sure vibration and ESC noise are good filtered.
Check and swap the Gyros (BetaFlight)
VTX Power / Camera switcher (BetaFlight / INAV)
Target
BetaFlight / INAV: MATEKF722SE
*** CLI defaults after reflashing
Vbat OFF Vbat ON
C1 ON & C2 OFF C2 ON & C1 OFF
CLI status
Check and swap the Gyros (INAV)
No USER1 definition
Vbat(for VTX) ON by default
No USER2 definition
C1 (Camera-1) ON by default

Nov.2018 Rev 1.0 www.mateksys.com
Wiring (Individual ESC)
*** Option ***
MCU
STM32F722RET6
2~8S LiPo
Gnd
5V
SBUS
SmartPort
SBUS
Gnd
5V
FPORT
FPORT
Gnd
5V
CH1
CH2
CRSF
Gnd
5V
PPM/IBUS
PPM/IBUS
VBAT
BLHeli32 ESC Telemetry
ESC signal
Signal Ground
Power Ground
G
5V
LED
G
4V5
RX2
TX4
4V5
G
TX1
RX1
DA
CL
G
4V5
RX2
TX2
G
4V5
TX2
G
4V5
RX2
5V
G
Bz-
Vbat
Gnd
G
VTX
TX3
*** SBUS/IBUS/DSM can be connected to any unused UART_RX
*** Frsky FPort, SmartPort can be connected to any unused UART_TX
*** PPM share RX2 pad, must disable Serial RX on UART2
*** RX4 pad has 200ohm built-in, can be remapped to PWM camera control
(BF CLI resource camera_control 1 A01)
Camera-1 Camera-2
HD
MCU
STM32F722RET6
Camera-1
G
4V5
RX2
TX2
Gnd
5V
SBUS
SmartPort
SBUS
*** BF CLI resource serial_tx 11 A02
to get softserial_tx1 on TX2 pad for SmartPort
Camera-2
HD
5V
G
RX
TX
SDA
SCL

Nov.2018 Rev 1.0 www.mateksys.com
S4 S3 S2 S1 GND
4in1 ESC
w/o current sensor
5V GND VBAT
Wiring (4in1 ESC)
MCU
STM32F722RET6
LIPO
14~16AWG
Use the current sensor scale of 4in1
MCU
STM32F722RET6
MCU
STM32F722RET6
F722-SE Current sensor 184A, scale 179
S4 S3 S2 S1 CRNT
4in1 ESC
w/ current sensor
5V GND VBAT
LIPO
S4 S3 S2 S1 TLM 5V
4in1 ESC BLHELI32
w/ individual current sensor
GND VBAT
LIPO

Nov.2018 Rev 1.0 www.mateksys.com
Wiring (INAV Airplane)
MCU
STM32F722RET6
2~8S LiPo
Gnd
5V
SBUS
SmartPort
SBUS
Gnd
5V
FPORT
FPORT
Gnd
5V
CH1
CH2
CRSF
Gnd
5V
PPM/IBUS
G
4V5
RX2
TX2
S1 S2 ......S3/S4/S5/S6
S7S8
G
4V5
RX2
TX2
G
4V5
TX2
G
4V5
RX2
*** SBUS/IBUS/DSM can be connected to any unused UART_RX
*** Frsky FPort, SmartPort can be connected to any unused UART_TX
*** PPM share RX2 pad, must disable Serial RX on UART2
UBEC
Gnd
Vbat
Gnd
5V
G
5V
DA
CL
Digital
Airspeed
G
5V
SDA
SCL
10~100K ohm
10~100K ohm
G
5V
PA4
Analog
Airspeed
G
5V
Analog
G
5V
LED
4V5
G
TX1
RX1
DA
CL
5V
G
Bz-
Vbat
Gnd
G
VTX
TX3
5V
G
RX
TX
SDA
SCL
Camera-1 Camera-2
HD *** Enable softserial_tx1 on TX2 pad for saving one Uart
S7 & S8 for motors
S1/S2/S3/S4/S5/S6 for servos
S1/S2/S3/S4/S5/S6 for motors
S7 & S8 for servos
S1/S2/S3 for motors
S7 for servo
Airplane
Multirotor
Tricopter