Reset Button; Light-Emitting Diode (Led) - Analog Devices TMCM-1290-EVAL Instruction Manual

TMCM-1290-EVAL Evaluation Board • Hardware Version V1.00 | Rev 0, 01/24

3.2.3 Reset Button

The reset button pulls the TMCM-1290 nRST pin low when pressed, which resets the TMCM-1290.
Pin
Open
Pressed

3.3 Light-Emitting Diode (LED)

Status
5V
3.3V
Position compare
Step output
Brake active
Description
Pin nRST = 3.3V, normal operation
Pin nRST = GND, TMCM-1290 reset
Table 15: Reset button
LED Description
Label Description
5V This yellow LED lights up upon +5V supply
being available.
3.3V This yellow LED lights up upon +3.3V from
the TMCM-1290 being available. This LED
is connected to +3.3V (pin 37) of the TMCM-
1290.
DIAG0 This red LED turns off when moving over
a programmable position (con guration re-
quired). This LED is connected to DIAG0 (pin
4) of the TMCM-1290.
DIAG1 This red LED turns off at every microstep.
This LED is connected to DIAG1 (pin 5) of the
TMCM-1290.
OVP This red LED lights up upon an active brake
condition (con guration required).
LED is connected to OVP (pin 9) of the
TMCM-1290.
Table 16: LED Description
Figure 6: TMCM-1290-EVAL LEDs
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