Datasheet

TMC262 DATASHEET (Rev. 2.14 / 2016-JUL-14) 7
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Pin
Number
Type
Function
SDI
11
DI VIO
Data input of SPI interface
(Scan test input in test mode)
SCK
12
DI VIO
Serial clock input of SPI interface
(Scan test shift enable input in test mode)
CSN
14
DI VIO
Chip select input of SPI interface
ENN
15
DI VIO
Enable not input for drivers. Switches off all MOSFETs.
CLK
16
DI VIO
Clock input for all internal operations. Tie low to use internal
oscillator. A high signal disables the internal oscillator until power
down.
VHS
24
High side supply voltage (motor supply voltage VS - 10V)
VS
25
Motor supply voltage
TST_ANA
26
AO VIO
Analog mode test output. Leave open for normal operation.
SG_TST
27
DO VIO
stallGuard2™ output. Signals motor stall (high active).
GNDP
28
Power GND for MOSFET drivers. Connect directly to GND
VCC_IO
29
Input / output supply voltage VIO for all digital pins. Tie to digital
logic supply voltage. Allows operation in 3.3V and 5V systems.
DIR
30
DI VIO
Direction input. Is sampled upon detection of a step to determine
stepping direction. An internal glitch filter for 60ns is provided.
STEP
31
DI VIO
Step input. An internal glitch filter for 60ns is provided.
TST_MODE
32
DI VIO
Test mode input. Puts IC into test mode. Tie to GND for normal
operation using a short wire to GND plane.