BIGTREETECH M4P - 3.5 UART and SPI Modes; 3.6 DIAG(Sensorless Homing)

Shenzhen Big Tree Technology Co., Ltd.
BIGTREETECH
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3.4.2 UART Mode of TMC Driver
For example, TMC2208, TMC2209, TMC2225... Use a jumper cap for each to connect
the position of the red box in the figure, and the subdivision and driver current is set by
firmware.
3.4.3 SPI Mode of TMC Driver
For example, TMC2130, TMC5160, TMC5161... Use 4 jumper caps for each to
connect the position of the red box in the figure, and the subdivision and driver current
is set by firmware.
3.4.4 DIAG(Sensorless Homing) of TMC Driver
As shown in the figure, plug the jumper cap when using the Sensorless Homing
function, and leave it unplugged when it is not used. There is no need to cut the DIAG
pin of the driver.