TMC262 DATASHEET (Rev. 2.07 / 2013-FEB-14)
7
Pin
Number Type
Function
SDO
SDI
10
11
DO VIO Data output of SPI interface (Tristate)
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
ENN
CLK
14
15
16
DI VIO Chip select input of SPI interface
DI VIO Enable not input for drivers. Switches off all MOSFETs.
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
VS
TST_ANA
SG_TST
GNDP
VCC_IO
24
25
26
27
28
29
High side supply voltage (motor supply voltage - 10V)
Motor supply voltage
AO VIO Analog mode test output. Leave open for normal operation.
DO VIO stallGuard2™ output. Signals motor stall (high active).
Power GND for MOSFET drivers. Connect directly to GND
Input / output supply voltage VIO for all digital pins. Tie to digital
logic supply voltage. Allows operation in 3.3V and 5V systems.
DI VIO Direction input. Is sampled upon detection of a step to determine
stepping direction. An internal glitch filter for 60ns is provided.
DI VIO Step input. An internal glitch filter for 60ns is provided.
DI VIO Test mode input. Puts IC into test mode. Tie to GND for normal
operation.
DIR
30
STEP
TST_MODE
31
32
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