TMC4331A Datasheet, PDF (1/178 Pages) TRINAMIC Motion Control GmbH & Co. KG. – SPI Interfaces for μC with easy-to-use protocol.

Motion Controller for Stepper Motors
Integrated Circuits
TMC4331A DATASHEET
TMC4331A Document Revision 1.00 • 2016-NOV-10
SHORT SPEC
The S-ramp and sixPoint™ ramp motion controller for stepper motors is optimized for high
velocities, allowing on-the-fly changes. TMC4331A offers SPI and Step/Dir interfaces.
Figure 1: Sample Image TMC4331A
*Marking details are explained on page 171.
Features
 SPI Interfaces for µC with easy-to-use protocol.
 SPI Interfaces for SPI motor stepper drivers.
 Integrated ChopSync™ and dcStep™ support.
 Internal ramp generator generating S-shaped ramps
or sixPoint™ ramps supporting on-the-fly changes.
 Controlled PWM output.
 Reference switch handling.
 Hardware and virtual stop switches.
 Extensive Support of TMC stepper motor drivers.
 Electronic gearing support.
Applications
 Textile, sewing machines
 CCTV, security
 Printers, scanners
 ATM, cash recycler
 Office automation
 POS
 Factory automation
 Lab automation
 Pumps and valves
 Heliostat controllers
 CNC machines
 Robotics
Block Diagram: TMC4331A Interfaces & Features
START
Ref. Switches
SPI to µC
INTR / TR to µC
CLK
TMC4331
SPI to
Master
Status Flags
Interrupt
Controller
Power-on
Reset
Timer Unit
Ref. Switch
Processing
S-Ramp
Generator
incl. trapezoid,
rectangle, 4bows
Step
Sequencer
Current
Regulation
Figure 2: Block Diagram
Driver
Interface:
SPI /
Step/Dir
dcStep
SPI
Step/Dir
© 2015 TRINAMIC Motion Control GmbH & Co. KG, Hamburg,
Germany — Terms of delivery and rights to technical change
reserved. Download newest version at: www.trinamic.com.
Read entire documentation; especially the
Supplemental Directives in chapter 18 (page 172).
 SHORT SPEC 