TMC4330A Datasheet | Document Revision 1.01 • 2017-JAN-12
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Three basic motion profiles are provided. Each one of them has a different velocity
value development during the drive. See table below.
Motion Profile
Configuration
For configuration of the motion profiles, do as follows:
Action:
Use the bits 1 and 0 of the RAMPMODE register 0x20.
Result:
As specified in the table below.
You can choose different configuration options from the list below:
No Ramp motion profile
Trapezoidal Ramp motion profile (including sixPoint Ramp)
S-shaped Ramp motion profiles
TMC4330A Motion Profile
RAMPMODE
(1:0)
Motion
Profile
Function
b’00
b’01
b’10
No Ramp
Follow VMAX only (rectangular velocity shape).
Consideration of acceleration and deceleration
values without adaptation of these acceleration
values.
Trapezoidal
Ramp
Consideration of acceleration and deceleration
values without adaptation of these acceleration
values.
Usage of start and stop velocity values.
(see section 6.5. , Page 41)
sixPoint
Ramp
S-shaped
Ramp
Use all ramp values (including bow values).
Table 15: Description of TMC4330A Motion Profiles
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