Brand Name: BIGTREETECH
Item Type: Motherboard
Model Number: SKR V1.3
Product Name: BIGTREETECH SKR V1.3
Material: 4-layer PCB
Microprocessor: ARM cortex-M3 CPU
Input Voltage: DC12V-DC24V, 5A-15A
Appearance Size: 110*85mm
Mounting Size: 102*76mm
Support Display: TFT3.5, TFT2.8, 2004LCD, 12864LCD
Support Driver: TMC2208/TMC2130/TMC2100/ST820/A4988/DRV8825/LV8729
Driver Working Mode: STEP/DIR, TMC2208-UART, TMC2130-SPI
Temperature Sensor Interface: TH0, TH1, TB, 3 channel 100K NTC (thermal resistance)
Support File Format: G-code
Support Machine Type: XYZ, Delta, Kossel, Ultimaker, Corexy
Use for: 3D Printer
Place of Origin: Guangdong, China (Mainland)
Certificate: CE
Pin Process: ENIG (Electroless Nickel/Immersion Gold)

Data:
https://github.com/bigtreetech/BIGTREETECH-SKR-V1.3

SKR V1.3 instruction, please refer to this link:

https://www.dropbox.com/s/x3cgq7tqbhk2yfd/SKR%20V1.3-Instructions.pdf?dl=0

Only Marlin firmware can demonstrate the full functionality of SKR V1.3.
https://github.com/bigtreetech/BIGTREETECH-SKR-V1.3/tree/master/firmware/smoothieware%2BTFT35