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L6472 Datasheet(PDF) 49 Page - STMicroelectronics

Part # L6472
Description  dSPIN fully integrated microstepping motor driver
PDF  69 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6472 Datasheet(HTML) 49 Page - STMicroelectronics

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L6472
Programming manual
Doc ID 022729 Rev 1
49/69
The synchronization signal is obtained starting from the electrical position information
(EL_POS register) according to Table 21:
Table 20.
SYNC output frequency
STEP_SEL (fFS is the full-step frequency)
000
001
010
011
100
101
110
111
000
fFS/2
fFS/2
fFS/2
fFS/2
fFS/2
fFS/2
fFS/2
fFS/2
001
NA
fFS
fFS
fFS
fFS
fFS
fFS
fFS
010
NA
NA
2· fFS
2· fFS
2· fFS
2· fFS
2· fFS
2· fFS
011
NA
NA
NA
4· fFS
4· fFS
4· fFS
4· fFS
4· fFS
100
NA
NA
NA
NA
8· fFS
8· fFS
8· fFS
8· fFS
101
NA
NA
NA
NA
NA
NA
NA
NA
110
NA
NA
NA
NA
NA
NA
NA
NA
111
NA
NA
NA
NA
NA
NA
NA
NA
Table 21.
SYNC signal source
SYNC_SEL[2..0]
Source
0
0
0
EL_POS[7]
0
0
1
EL_POS[6]
0
1
0
EL_POS[5]
0
1
1
EL_POS[4]
1
0
0
EL_POS[3]
1
0
1
UNUSED (1)
1.
When this value is selected the BUSY output is forced low.
1
1
0
UNUSED (1)
1
1
1
UNUSED (1)



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