BIGTREETECH MANTA M8P, Руководство пользователя

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Shenzhen Big Tree Technology Co., Ltd.
BIGTREETECH
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3 Interface Instruction
3.1 USB Power Supply
After the M8P motherboard is powered on, the D32 red light on the left side of the
MCU will light up, indicating that the power supply is normal. The VUSB in the
middle of the board is the power selection terminal. Only when using USB to
supply power to the motherboard or need to supply power through USB, do you
need to use the jumper to short it.
3.2 Stepper Motor Drive
3.2.1 Normal STEP/DIR(STANDALONE) Mode
For example, A4988, DRV8825, LV8729, ST820...use the jumper cap to short
MS0-MS2 according to the driver subdivision table.
Note: If using A4988or DRV8825, RST and SLP must be shorted with jumper
caps for normal operation.
Driver Chip MS1 MS2 MS3
Subdivisi
on
Excitation Mode
A4988
Max 16
Subdivisions
35V 2A
L L L Full Step 2 Phase
H L L 1/2 1-2 Phase
L H L 1/4 W1-2 Phase
H H L 1/8 2W1-2 Phase
H H H 1/16 4W1-2 Phase
Driving Current
Calculation
Formula
𝐑
𝑆
=0.1Ω
𝐈
𝐓𝐫𝐢𝐩𝐌𝐀𝐗
=
𝐕
𝐑𝐄𝐅
𝟖 ∗ 𝐑
𝑆