L6470HTR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

L6470HTR

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

STMicroelectronics 

Prev 51 52 53 54 55 56 57 58 59 60 Next

L6470

Programming manual

The SW_MODE bit sets the external switch to act as HardStop interrupt or not:

Table 24. External switch hard stop interrupt mode

SW_MODE

Switch mode

0

HardStop interrupt

1

User disposal

The OC_SD bit sets whether an overcurrent event causes or not the bridges to turn off; the

OCD flag in the STATUS register is forced low anyway:

OC_SD

1

0

Table 25. Overcurrent event

Overcurrent event

Bridges shut down

Bridges do not shut down

The POW_SR bits set the slew rate value of power bridge output:

Table 26. Programmable power bridge output slew rate values

POW_SR

Output slew rate(1)

[1 .… 0]

[V/µs]

0

0

320

0

1

75

1

0

110

1

1

260

1. See SRout_r and SRout_f parameters in Table 5 on page 11 for details.

The EN_VSCOMP bit sets whether the motor supply voltage compensation is enabled or

not.

Table 27. Motor supply voltage compensation enable

EN_VSCOMP

Motor supply voltage compensation

0

Disabled

1

Enabled

DocID16737 Rev 7

51/73

73

Share Link: