TMC4330A Datasheet | Document Revision 1.01 • 2017-JAN-12
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2. Application Circuits
In this chapter application circuit examples are provided that show how external components
can be connected.
Reference Switches
SD Input
TMC4330A
Standard
Connection:
HOME STOPL STOPR
STPIN DIRIN
NSCSIN
SDIIN
SCKIN
STPOUT_PWMA
DIRPOUT_PWMB
Step/Dir Interface
to Motor Driver
SPI Control Interface
to Microcontroller
VCC=3.3V
SDOIN
CLK_EXT
START
INTR
A_SCLK
ANEG_NSCLK
B_SDI
BNEG_NSDI
N
Ext. Clock
TMC4330
Encoder Input Interface
for incremental ABN or
serial SSI/SPI
Start Signal
Input or Output
Interrupt Output
Target Reached Output
Optional Inv. Reset Input
NNEG
TARGET_REACHED
NRST
VCC
GND
TEST_MODE VDD1V8 VDD1V8
100 nF
100 nF
100 nF
+3.3 V
Figure 8: TMC4330A Connection: VCC=3.3V
VCC_IO
TMC4330A with
TMC2100
Stepper
STEP
DIR
STPOUT_PWMA
DIRPOUT_PWMB
NSCSIN
SS
TMC2100
Connection and
Encoder
feedback
CLK_IN
CFG0
CFG1
CFG2
CFG3
MOSI
SDIIN
open
open
TMC4330
µC
SCK
SCKIN
CFG4
CFG5
DRV_ENN_CFG6
MISO
SDOIN
open
Encoder
Interface
CLK_EXT
CLK
M
Figure 9: TMC4330A with TMC2100 Stepper Driver in stealthChop Mode
VCC_IO
TMC4330A with
TMC22xx
Stepper
STEP
DIR
STPOUT_PWMA
DIRPOUT_PWMB
SS
MOSI
SCK
NSCSIN
TMC22xx
Connection
SDIIN
SCKIN
SDOIN
TMC4330
µC
MS1
MS2
SPREAD
MISO
CLK_IN
CLK_EXT
CLK
M
Figure 10: TMC4330A with TMC22xx Stepper Driver (32 microsteps settings)
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