TMC424 Datasheet – (V1.04 / 2015-JUL-01)

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Copyright © 2011 TRINAMIC Motion Control GmbH & Co. KG

Table of Contents

1

Pinout .............................................................................................................................................................................. 5

1.1

Pin Description ..................................................................................................................................................... 6

1.2

Recommended Operating Conditions ............................................................................................................ 7

1.3

Electrical Characteristics..................................................................................................................................... 7

2

Block Diagram ............................................................................................................................................................... 8

3

Application Environment............................................................................................................................................ 9

3.1

Application Description...................................................................................................................................... 9

3.1.1

Application with TMC26x Stepper Motor Driver (SPI controlled)..................................................... 9

3.1.2

Application with Step/Direction controlled TMC26x ............................................................................ 9

3.2

Application Examples........................................................................................................................................10

3.2.1

Application with TMC6x Stepper Motor Driver....................................................................................10

3.2.2

Application with Step/Direction Power Stage.....................................................................................10

4

Dynamic Resolution Adaptation.............................................................................................................................11

5

Serial Peripheral Interface (SPI) with 32-bit Register ......................................................................................12

5.1

Description and Specification.........................................................................................................................12

5.2

32-bit SPI Datagram Structure .......................................................................................................................13

5.3

SPI 32-bit Datagram Specification ................................................................................................................13

5.3.1

Overview ........................................................................................................................................................13

6

Incremental Encoder .................................................................................................................................................14

7

Configuration Datagrams .........................................................................................................................................15

7.1

Encoder Interface Prescaler and Null Event Configuration....................................................................15

7.2

Encoder Interface Hold Register Operation................................................................................................16

7.3

Timer Logic Step Pulse Length and Delay .................................................................................................17

7.4

Control Register and Interrupt Control .......................................................................................................17

7.5

N-Channel Read Back........................................................................................................................................17

8

SPI-Protocol for Interface with 6-bit Register....................................................................................................18

8.1

Step and Direction Pulse conversion...........................................................................................................18

9

Package dimensions ..................................................................................................................................................19