TMC4330A Datasheet | Document Revision 1.01 • 2017-JAN-12
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Pin Names and Descriptions
Number Type Function
Pin
Encoder Interface Pins
N signal input of incremental encoder input interface.
If not connected, internal pull-down resistor will be active.
I (PD)
I (PD)
N
18
19
Negated N signal input of incremental encoder input interface.
If not connected, internal pull-down resistor will be active.
NNEG
B
SDI
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.
I (PD)
8
BNEG
NSDI
SDO_ENC
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.
IO
IO
IO
9
A
SCLK
A signal input of incremental encoder interface (default).
Serial clock output signal of serial encoder interface (SSI/SPI).
32
1
ANEG
NSCLK
NSCS_ENC
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
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