EVAL6470H Datasheet, PDF (18/70 Pages) STMicroelectronics – dSPIN fully integrated microstepping motor driver with motion engine and SPI

Pin connection
L6470
Table 6. Pin description (continued)
No.
HTSSOP POWERSO
Name
Type
Function
24
31
FLAG
Status flag pin. An internal open drain transistor can
pull the pin to GND when a programmed alarm
Open drain output condition occurs (step loss, OCD, thermal pre-
warning or shutdown, UVLO, wrong command, non-
performable command)
Standby and reset pin. LOW logic level resets the
3
6
STBY\RST Logic input
logic and puts the device into Standby mode. If not
used, it should be connected to VDD.
25
32
STCK Logic input
Step-clock input
EPAD
EPAD Exposed pad Ground
Internally connected to PGND, AGND and DGND pins
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