FLY-C5 Motherboard Introduction

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Important: Regarding Storage

The FLY-C5 does not come with any storage device at the factory (i.e., it does not include an M2WE module or Micro SD card). You must configure at least one of the following storage media for the device to work properly:

• Option 1 (Recommended): Purchase the FLY custom M2WE module for faster system response and higher reliability.
• Option 2: Prepare your own Micro SD (TF) card, with a capacity between 16GB-128GB.

Product Features

• 32-bit ARM Cortex-M7, 550MHz, STM32H723VGT6 chip
• Supports SPI, UART, STEP/DIR working modes of TMC drivers
• DIAG function pins do not occupy limit switches; after configuration, sensorless homing can be achieved
• CNC fan supports 24V, 12V, 5V, no additional buck module required
• Supports automatic shutdown on power loss and print recovery after power loss (automatic shutdown on power loss is enabled by default)
• Pre-installed with USB Klipper firmware from the factory
• Multiple power management channels; short circuits on ports, limit switches, drivers, etc. do not affect host operation
• Reserved 5V RGB interface
• TFT and HDMI screens support single-cable connection, and also support USB screens
• The system comes pre-installed with Klipper, Moonraker, mainsail, fluidd, klipper-screen, Crowsnest, and the resonance compensation plugin numpy, with no need to change sources, making it easy to get started (requires purchase of a TF card or M2WE)

Product Specifications

Host Controller

• CPU: Allwinner H618, 4-core 64-bit Cortex-A53
• GPU: Arm Mali-G31
• RAM: 1GB DDR4
• ROM: Supports up to 128GB SDCARD
• Peripherals:
  • TFT x1
  • USB 2.0 x2
  • Micro HDMI x1
  • Ethernet Port (Eth) x1 (100M)
  • FPC-HDMI x1
  • UART x1
• Interface: Onboard M.2, expandable for WIFI, eMMC, etc. (proprietary protocol, do not connect non-FLY dedicated M.2 devices)
• Support: TFT screen and HDMI screen FPC one-wire connection
• System Pre-installed: Klipper, Moonraker, Mainsail, Fluidd, Klipper-Screen, Crowsnest, resonance compensation plugin numpy, no need to change sources, easy to use (requires purchasing TF card or M2WE)

Motion Controller

• MCU: STM32H723VGT6
• Firmware: KLIPPER/RRF/Marlin
• Power Supply: Supports 12-24V DC input, eliminating the need for a step-down module
• Maximum Output Current for Heated Bed Port: 15A
• Maximum Output Current for Heater Port: 6A
• Maximum Output Current for Fan Port: 1A
• Driver Operating Modes: SPI, UART, STEP/DIR
• Supported Drivers: TMC5160Pro, TMC5160, TMC2209, TMC2225, TMC2226, TMC2208, TMC2130, A4988, etc.
• Expansion Interfaces: BLTouch (Servos, Probe), RGB x1, UART x1, CAN x1
• Fans: 4x Two-wire CNC fans (supports selectable 24V, 12V, 5V)
• Temperature Sensors: 3 channels NTC 100K
• Supported Structures: Cartesian, Delta, Kossel, Ultimaker, CoreXY, etc.

Precautions

Output Port	Max Current at 24V Power Supply	Max Current at 12V Power Supply
Heated Bed Port	15A	7.5A
Heater Port	6A	3A
Fan Port	1A	0.5A