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 
Pin Names and Descriptions
Pin
Number
Type
Function
Interface Pins for Stepper Motor Drivers
NSCSDRV
PWMB
SDO
30
O
Low active chip selects output of SPI interface to motor driver.
Second PWM signal (Cosine) to connect with PHB (TMC23x/24x).
Serial data output of serial encoder output interface.
SCKDRV
MDBN
NSDO
29
O
Serial clock output of SPI interface to motor driver.
MDBN output signal for MDBN pin of TMC23x/24x.
Negated serial data output of serial encoder output interface.
SDODRV
PWMA
SCLK
27
IO
Serial data output of SPI interface to motor driver (default).
First PWM signal (Sine) to connect with PHA (TMC23x/24x).
Clock input of serial encoder output interface.
SDIDRV
ERR
NSCLK
28
I (PD)
Serial data input of SPI interface to motor driver.
Error input signal to ERR pin of TMC23x/24x.
Negated clock input of serial encoder output interface.
If not connected, internal pull-down resistor is active.
MP1
8
I (PD)
DC_IN as external dcStep input control signal.
If not connected, internal pull-down resistor is active.
MP2
9
IO
DCSTEP_ENABLE as dcStep output control signal (default).
SPE_OUT as output signal, connect to SPE pin of TMC23x/24x.
STDBY_CLK
32
O
StandBy signal or internal CLK output or ChopSync output.
Encoder Interface Pins
N
21
I (PD)
N signal input of incremental encoder input interface.
If not connected, internal pull-down resistor will be active.
NNEG
22
I (PD)
Negated N signal input of incremental encoder input interface.
If not connected, internal pull-down resistor will be active.
B
SDI
10
I (PD)
B signal input of incremental encoder input interface.
Serial data input signal of serial encoder interface (SSI/SPI).
If not connected, internal pull-down resistor is active.
BNEG
NSDI
SDO_ENC
11
IO
Negated B signal input of incremental encoder interface (default).
Negated serial data input signal of SSI encoder input interface.
Serial data output of SPI encoder input interface.
A
SCLK
40
IO
A signal input of incremental encoder interface (default).
Serial clock output signal of serial encoder interface (SSI/SPI).
ANEG
NSCLK
NSCS_ENC
1
IO
Negated A signal input of incremental encoder interface (default).
Negated serial clock output signal of serial encoder interface.
Low active chip select output of SPI encoder input interface.
Table 2: Pin Names and Descriptions