Introduction

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Test Document Version

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To optimize the document structure without affecting existing users, we have created a test version to verify the new organization methods and content presentation. Your feedback will help us improve the documentation.

Please note that the current documentation is still under optimization.

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FLY C8P

Product Features

• Features an STM32H723VGT6 main control chip from the Arm® Cortex®-M7 series with a 32-bit CPU frequency of 550MHz
• Supports SPI and UART operating modes of TMC drivers
• Onboard DIAG function pin allows easy use of endless limit homing by simply plugging or unplugging a jumper cap
• Selectable 24V, 12V, or 5V voltage for the CNC fan, eliminating the need for a step-down module
• New Flash programming method allows direct firmware updates via command line
• Multi-channel power management ensures that short circuits in ports, limits, drivers, etc., will not affect the host computer's operation
• Reserved RGB interface supports selectable voltage (12V or 5V)
• Supports one-cable connection for TFT and HDMI displays
• System comes pre-installed with Klipper, Moonraker, Mainsail, Fluidd, Klipper-Screen, Crowsnest, and resonance compensation plugin numpy, no need for source switching or other complicated operations, making it easier for beginners to get started

Product Specifications

Host Computer

• CPU: Allwinner H618, Quad-core 64-bit Cortex-A53
• GPU: Arm Mali-G31
• RAM: 1GB DDR4
• ROM: Supports up to 128GB SD Card
• Peripherals:
  • TFT x1
  • USB 2.0 x2
  • Micro HDMI x1
  • Ethernet port (Eth) x1 (100M)
  • FPC-HDMI x1
  • UART x1
  • RS232 x2
• Interfaces: Onboard M.2 for optional expansion of Wi-Fi, eMMC, etc. (proprietary protocol; do not connect non-FLY M.2 devices)
• Supports: One-cable connection for TFT and HDMI FPC displays
• Pre-installed system: Klipper, Moonraker, Mainsail, Fluidd, Klipper-Screen, Crowsnest, resonance compensation plugin numpy, no need to change sources, easy to use (requires purchase of TF card or M2WE)

Microcontroller (MCU)

• MCU: STM32H723VGT6
• Firmware: KLIPPER/RRF
• Supports 12-24V DC power supply, providing more stable power without 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 supported: SPI, UART, STEP/DIR
• Supported drivers: Supports external TMC5160Pro, TMC5160, TMC2209, TMC2225, TMC2226, TMC2208, TMC2130, A4988 etc.
• Expansion interfaces: BLTouch (Servos, Probe), RGB x2, UART x1, 12864 x1, CAN x1
• Fans: 6 two-wire CNC fans (selectable 24V, 12V, 5V)
• Temperature sensors: 4 channels of NTC 100K
• Supported machine structures: Cartesian, Delta, Kossel, Ultimaker, CoreXY, etc.

Notes

Output Port	Maximum Current with 24V Power	Maximum Current with 12V Power
Heated Bed Port	15A	7.5A
Heater Port	6A	3A
Fan Port	1A	0.5A