Datasheet

Functional description L9935
22/29 Doc ID 5198 Rev 10
5.15 Cascading several devices
Cascading several devices can be done using the SDO output to pass data to the next
device. The whole frame now consists of n byte. n is the number of devices used.
Figure 10. Cascading several stepper motor drivers
Figure 11. Control sequence for 3 Stepper motor drivers
Figure 12. Paralleling several devices
Here usually only one stepper motor driver is selected at a time while all others are
deselected.
'!0'03
3$/
3#+#3. #3.
M0
3$/3$)
3#+
#3.
3#+
#3.
3#+
3$/3$) 3$/3$)
NO NO NO
'!0'03
BYTEFORNO BYTEFORNO BYTEFORNO
3#+
%.
#3.
1
88
3$/
OF
M0
'!0'03
3$) 3$/
3#+
#3.
#3.
M0
3$) 3$/
3#+
#3.
3$) 3$/
3#+
#3.
NO
NO