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-M4, 550MHz, STM32H723VGT6 chip
• Supports SPI, UART, STEP/DIR operating modes for TMC drivers
• DIAG function pins do not occupy endstops; configuration enables endstop-less homing
• CNC fans support 24V, 12V, 5V, no additional step-down module required
• Supports automatic shutdown on power loss and print resume after power failure (automatic shutdown on power loss enabled by default)
• Pre-installed with USB Klipper firmware at the factory
• Multi-channel power management; short circuits on ports, endstops, drivers, etc., do not affect the host operation
• Reserved 5V RGB interface
• One-wire support for TFT and HDMI screens
• System pre-installed with Klipper, Moonraker, Mainsail, Fluidd, Klipper-Screen, Crowsnest, resonance compensation plugin numpy, no need to change sources, easy to get started (requires purchasing 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