Creality V2 2 Board Diagram [portable] May 2026

The Creality V2.2 board, often referred to as the V2.2.1 "Silent" motherboard, is a legendary 8-bit upgrade originally designed for the Creality CR-10S series and later utilized in printers like the Ender 5 Plus. Unlike the newer 32-bit V4.2.2 boards found in the Ender 3 V2, the V2.2 uses an Atmega 2560 processor and is prized for its reliability in dual-extrusion or dual-Z axis setups. Understanding the V2.2 Board Layout

The V2.2 board is distinct due to its larger physical footprint compared to standard Ender 3 boards. Its layout is optimized for high-power demands and additional stepper drivers.

Stepper Drivers: Typically features integrated TMC2208 silent drivers, which significantly reduce motor noise.

Dual Port Support: Features two separate ports for Z-axis motors, making it a "plug-and-play" solution for printers with dual lead screws like the CR-10S. Creality V2 2 Board Diagram

Main Processor: Powered by the Atmel Mega 2560, an 8-bit chip that is highly compatible with Marlin Firmware.

Power Input: Designed to handle 12V or 24V inputs (check your specific version), with an upgraded power chip to manage heat dissipation. Wiring Diagram & Pinout Highlights

When wiring the V2.2 board, paying attention to the specific pinout for accessories like BLTouch or filament sensors is critical. CR-10S with Mainboard V2.2 BL Touch - Thingiverse The Creality V2

Here’s a helpful, practical write-up for understanding and using the Creality V2.2 Silent Motherboard (commonly found in Ender 3 V2, Ender 3 Pro, and similar Creality printers).

📍 Visual Diagram Reference (Text Map)

Orient the board with the power input on the left and USB port facing you:

[ POWER INPUT ]     [ BED HEATER ]     [ HOTEND HE0 ]
      |                   |                  |
   Fuse               Bed MOS             HE MOS
      |                   |                  |
[ MAIN FAN ]        [ THERMISTOR TB ]   [ THERMISTOR TH0 ]
      |
[ X MOTOR ] --- [ X LIMIT ]
[ Y MOTOR ] --- [ Y LIMIT ]
[ Z MOTOR ] --- [ Z LIMIT ]
[ E MOTOR ] --- [ FILAMENT / BLTOUCH port (optional) ]
      |
[ FAN0 (part) ]   [ FAN1 (hotend) ]   [ FAN2 (board) ]
      |
[ 5V / GND AUX ]  [ RST ] [ BURN ]
      |
[ SERIAL / DISPLAY PORT ]
      |
[ USB-B PORT ]    [ MICROSD SLOT ]

Key Features

3. Block Diagram of the V2.2 Board

Below is a high‑level functional block diagram derived from reverse engineering. 📍 Visual Diagram Reference (Text Map) Orient the

                    ┌─────────────────────────────────────────────────┐
                    │                   24V DC IN (J1/J2)              │
                    └─────────────────┬───────────────┬───────────────┘
                                      │               │
                              ┌───────▼───────┐   ┌───▼────┐
                              │ 24V → 5V Buck │   │ Heated │
                              │ (MP1584)      │   │ Bed    │
                              └───────┬───────┘   │ MOSFET │
                                      │           └───┬────┘
                                      ▼               │
                              ┌────────────┐          │
                              │ 5V LDO (3.3V)│         │
                              └──────┬──────┘          │
                                     │                 │
                                     ▼                 ▼
┌──────────┐    USB    ┌─────► 3.3V ◄──────────────────┘
│   PC     ├──┬───────►│STM32F103   │
└──────────┘  │        │RET6         ├──► Endstops (X,Y,Z)
              │        │             ├──► Thermistors (ADC)
              │        │             ├──► BLTouch (servo + probe)
              │        │             ├──► Filament runout
              │        └────┬────────┘
              │   SPI1/I2C1 │
         ┌────▼────┐        │
         │ microSD │        │
         └─────────┘        │
                            │ (GPIO + PWM)
     ┌──────────┐   ┌───────┼───────┐   ┌──────────┐
     │ X Driver ├───┤       │       ├───┤ Hotend   │
     │ TMC2208  │   │       │       │   │ MOSFET   │
     └──────────┘   │       │       │   └──────────┘
     ┌──────────┐   │       │       │   ┌──────────┐
     │ Y Driver ├───┤ 4x    │       ├───┤ Part     │
     └──────────┘   │ Step/ │       │   │ Fan MOSFET│
     ┌──────────┐   │ Dir   │       │   └──────────┘
     │ Z Driver ├───┤ lines │       │   ┌──────────┐
     └──────────┘   │       │       ├───┤ Hotend   │
     ┌──────────┐   │       │       │   │ Fan (24V)│
     │ E0 Driver├───┘       │       │   └──────────┘
     └──────────┘           │       │
                            │       │
                    ┌───────▼───────┐│
                    │   LCD EXP1    ├┘
                    │ (ST7920 SPI)  │
                    └───────────────┘

4.3 Thermistors (Analog inputs)

| Sensor | MCU ADC Pin | Reference voltage | |--------|-------------|-------------------| | Hotend | PA2 (ADC2) | 3.3V (via 4.7k pullup to 3.3V) | | Bed | PA3 (ADC3) | 3.3V (via 4.7k pullup to 3.3V) |

Task B: Flashing Custom Firmware (Marlin/Klipper) – Usefulness: 4/5

With the community pinout, you can:

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