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L6470 Datasheet(PDF) 50 Page - STMicroelectronics

Part # L6470
Description  dSPIN fully integrated microstepping motor driver with motion engine and SPI
PDF  70 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6470 Datasheet(HTML) 50 Page - STMicroelectronics

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Programming manual
L6470
50/70
Doc ID16737 Rev 4
The SW_MODE bit sets the external switch to act as HardStop interrupt or not:
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:
The POW_SR bits set the slew rate value of power bridge output:
0100
External crystal or resonator: 8
MHz
Crystal/resonator
driving
Crystal/resonator
driving
0101
External crystal or resonator:
16 MHz
Crystal/resonator
driving
Crystal/resonator
driving
0110
External crystal or resonator:
24 MHz
Crystal/resonator
driving
Crystal/resonator
driving
0111
External crystal or resonator:
32 MHz
Crystal/resonator
driving
Crystal/resonator
driving
1100
Ext clock source: 8 MHz
(Crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
1101
Ext clock source: 16 MHz
(Crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
1110
Ext clock source: 24 MHz
(Crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
1111
Ext clock source: 32 MHz
(Crystal/resonator driver
disabled)
Clock source
Supplies inverted
OSCIN signal
Table 23.
Oscillator management (continued)
EXT_C
LK
OSC_SEL[2..0]
Clock source
OSCIN
OSCOUT
Table 24.
External switch hard stop interrupt mode
SW_MODE
Switch mode
0
HardStop interrupt
1
User disposal
Table 25.
Overcurrent event
OC_SD
Overcurrent event
1
Bridges shut down
0
Bridges do not shut down



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