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

6/21

Copyright © 2011 TRINAMIC Motion Control GmbH & Co. KG

1.1 Pin Description

Pin

Location

Dir

Pull-Up /

Pull-Down

Description

GND

1, 9, 12, 25, 38,

51, 67, 75, 88

Ground

ENC1_A

3

In

Incremental Encoder Interface 1 Channel A

ENC1_B

4

In

Incremental Encoder Interface 1 Channel B

ENC1_N

5

In

Incremental Encoder Interface 1 Channel N

ENC2_A

6

In

Incremental Encoder Interface 2 Channel A

ENC2_B

7

In

Incremental Encoder Interface 2 Channel B

ENC2_N

8

In

Incremental Encoder Interface 2 Channel N

ENC3_A

10

In

Incremental Encoder Interface 3 Channel A

ENC3_B

11

In

Incremental Encoder Interface 3 Channel B

ENC3_N

13

In

Incremental Encoder Interface 3 Channel N

ENC_INV

86

In

Down

Invert all ENCx_y inputs

TDI

48

Connect to Ground

TMS

49

Connect to 3.3 Volt via Pull-Up Resistor

TRST

55

Connect to 3.3 Volt via Pull-Up Resistor

TDO

54

To be left open

TCK

47

Connect to Ground

VCCI

18, 39, 66, 87

Positive Power Supply 3.3 Volt

VCC

24, 50, 52, 56, 74

Positive Power Supply 3.3 Volt

VCORE

14, 17, 37, 68, 89

Positive Power Supply 1.5 Volt

CLK

64

In

System Clock 16MHz

EXT_RES

92

In

Up

External Reset Low Active

Step 1

16

Out

Step/Direction Interface – Step Output Motor 1

Dir 1

19

Out

Step/Direction Interface – Direction Output Motor 1

Step 2

20

Out

Step/Direction Interface – Step Output Motor 2

Dir 2

21

Out

Step/Direction Interface – Direction Output Motor 2

Step 3

22

Out

Step/Direction Interface – Step Output Motor 3

Dir 3

23

Out

Step/Direction Interface – Direction Output Motor 3

SDO_D

26

Out

Step / Direction SPI MISO

SDI_D

27

In

Up

Step / Direction SPI MOSI

SCK_D

28

In

Up

Step / Direction SPI SCK

NSCS_D

29

In

Up

Step / Direction SPI NSCS

REF0

34

Out

Reference switch output 1

REF1

35

Out

Reference switch output 2

REF2

36

Out

Reference switch output 3

STOPR0

40

In

Down

Right Stop Switch Motor 1

STOPR1

41

In

Down

Right Stop Switch Motor 2

STOPR2

42

In

Down

Right Stop Switch Motor 3

STOPL0

43

In

Down

Left Stop Switch Motor 1

STOPL1

44

In

Down

Left Stop Switch Motor 2

STOPL2

45

In

Down

Left Stop Switch Motor 3

SDO

100

Out

SPI MISO

SDI

99

In

Up

SPI MOSI

SCK

98

In

Up

SPI SCK

NSCS

97

In

Up

SPI NSCS

SDO429

96

In

Up

SPI MISO Pin of TMC429 (SDO_C)

NSCS429

95

In

Up

SPI NSCS Pin of TMC429 (nSCS_C)

NINT

94

Out

Interrupt Output (low active)

Table 1: TMC424 Pinout

Note: Pins which are not marked in Figure 1: Pinout TMC424 on page 5 must be left open.