TMC5031 DATASHEET (Rev. 1.11 / 2016-APR-28)
19
5 Register Mapping
This chapter gives an overview of the complete register set. Some of the registers bundling a number
of single bits are detailed in extra tables. The functional practical application of the settings is
detailed in dedicated chapters.
Note
- All registers become reset to 0 upon power up, unless otherwise noted.
- Add 0x80 to the address Addr for write accesses!
NOTATION OF HEXADECIMAL AND BINARY NUMBERS
0x
%
precedes a hexadecimal number, e.g. 0x04
precedes a multi-bit binary number, e.g. %100
NOTATION OF R/W FIELD
R
Read only
W
Write only
R/W
R+C
Read- and writable register
Clear upon read (i.e. status bit becomes reset after
readout)
OVERVIEW REGISTER MAPPING
REGISTER
DESCRIPTION
General Configuration Registers
These registers contain
-
-
global configuration
global status flags
Ramp Generator Motion Control Register Set
This register set offers registers for
-
-
-
-
-
choosing a ramp mode
choosing velocities
homing
acceleration and deceleration
target positioning
Ramp Generator Driver Feature Control Register Set
This register set offers registers for
-
-
-
-
driver current control
setting thresholds for coolStep operation
setting thresholds for different chopper modes
a reference switch and stallGuard2 event
configuration
-
a ramp and reference switch status register
This register set offers registers for
Motor Driver Register Set
-
setting / reading out microstep table and
counter
-
-
-
chopper and driver configuration
coolStep and stallGuard2 configuration
reading out stallGuard2 values and driver error
flags
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