Datasheet

TMC4361A Datasheet | Document Revision 1.22 • 2017-JAN-12
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Read entire documentation; especially the “Supplemental Directives” on page 224.
 MAIN MANUAL 
Motor Driver Settings Register STEP_CONF 0x0A
STEP_CONF 0x0A (Default: 0x00FB0C80)
R/W
Bit
Val
Remarks
RW
3:0
MSTEP_PER_FS (Default: 0x0)
0
Highest microsteps resolution: 256 microsteps per fullstep.
i Set to 256 for closed-loop operation.
i When using a Step/Dir driver, it must be capable of a 256 resolution
via Step/Dir input for best performance (but lower resolution
Step/Dir drivers can be used as well).
1
128 microsteps per fullstep.
2
64 microsteps per fullstep.
3
32 microsteps per fullstep.
4
16 microsteps per fullstep.
5
8 microsteps per fullstep.
6
4 microsteps per fullstep.
7
Halfsteps: 2 microsteps per fullstep.
8
Full steps (maximum possible setting)
15:4
FS_PER_REV (Default: 0x0C8)
U
Fullsteps per motor axis revolution
23:16
MSTATUS_SELECTION (Default: 0xFB)
Selection of motor driver status bits for SPI response datagrams:
ORed with Motor Driver Status Register Set (7:0):
if set here and a particular flag is set from the motor stepper driver, an event will be
generated at EVENTS (30)
31:24
Reserved. Set to 0x00.
Table 76: Motor Driver Settings (0x0A)