Datasheet

TMC2590 DATASHEET (V1.0 / 2019-FEB-22) 23
www.trinamic.com
7.5.2 DRVCTRL Register in STEP/DIR Mode
DRVCTRL
Driver Control in STEP/DIR Mode (SDOFF=0)
Bit
Name
Function
Comment
19
0
Register address bit
18
0
Register address bit
17
0
Reserved
16
0
Reserved
15
0
Reserved
14
0
Reserved
13
0
Reserved
12
0
Reserved
11
0
Reserved
10
0
Reserved
9
INTPOL
Enable STEP
interpolation
0: Disable STEP pulse interpolation.
1: Enable MicroPlyer STEP pulse multiplication by 16.
8
DEDGE
Enable double edge
STEP pulses
0: Rising STEP pulse edge is active, falling edge is
inactive.
1: Both rising and falling STEP pulse edges are active.
7
0
Reserved
6
0
Reserved
5
0
Reserved
4
0
Reserved
3
MRES3
Microstep resolution
for STEP/DIR mode
Microsteps per fullstep:
%0000: 256
%0001: 128
%0010: 64
%0011: 32
%0100: 16
%0101: 8
%0110: 4
%0111: 2 (halfstep)
%1000: 1 (fullstep)
2
MRES2
1
MRES1
0
MRES0