Datasheet

TMC4361A Datasheet | Document Revision 1.22 • 2017-JAN-12
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Read entire documentation; especially the “Supplemental Directives” on page 224.
 MAIN MANUAL 
2. Application Circuits
In this chapter application circuit examples are provided that show how external components
can be connected.
Figure 8: TMC4361A Connection: VCC=3.3V
Figure 9: TMC4361A with TMC26x Stepper Driver in SPI Mode or S/D Mode
TMC4361
SCKDRV_NSDO
SDODRV_SCLK
SDIDRV_NSCLK
NSCSDRV_SDO
SDIIN
NSCSIN
SCKIN
SDOIN
SPI Control Interface
to Microcontroller
SPI Output Interface
to Motor Driver
STPOUT_PWMA
DIRPOUT_PWMB
Step/Dir Interface
to Motor Driver
HOME STOPL STOPR
A_SCLK
ANEG_NSCLK
B_SDI
BNEG_NSDI
N
NNEG
Encoder Input Interface
for incremental ABN or
serial SSI/SPI
Reference Switches
CLK_EXT
GND
+3.3 V
START
Start Signal
Input or Output
INTRInterrupt Output
Ext. Clock
TARGET_REACHEDTarget Reached Output
NFREEZE
Emergency Stop Switch
100 nF
100 nF 100 nF
STDBY_CLK
Standby Clock Output
NRST
Optional Inv. Reset Input
VCC TEST_MODE
VDD1V8VDD1V8
STPIN DIRIN
SD Input
MP1
MP2
Multi-Purpose Pins
TMC4361
µC
SCK
MOSI
MISO
SS
SCKIN
SDOIN
CLK CLK_EXT
NSCSIN
SDIIN
M
NSCSDRV_SDO
SDODRV_SCLK
SCKDRV_NSDO
SDIDRV_NSCLK
STEP
DIR
CSN
SCK
SDI
SDO
TMC26x
STPOUT_PWMA
DIRPOUT_PWMB
SG_TST
MP1
TMC4361A
Standard
Connection:
VCC=3.3V
TMC4361A with
TMC26x Stepper
Connection