L6470HTR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

L6470HTR

dSPIN™ fully integrated microstepping motor driver with motion engine and SPI

STMicroelectronics 

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Pin connection

L6470

Table 6. Pin description (continued)

No.

HTSSOP POWERSO

Name

Type

Function

Status flag pin. An internal open drain transistor can

pull the pin to GND when a programmed alarm

24

31

FLAG Open drain output condition occurs (step loss, OCD, thermal pre-

warning or shutdown, UVLO, wrong command, non-

performable command)

3

25

EPAD

6

32

EPAD

STBY\RST

STCK

Exposed pad

Logic input

Logic input

Ground

Standby and reset pin. LOW logic level resets the

logic and puts the device into Standby mode. If not

used, it should be connected to VDD.

Step-clock input

Internally connected to PGND, AGND and DGND

pins

18/73

DocID16737 Rev 7

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