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L6482 数据表(PDF) 52 Page - STMicroelectronics

部件名 L6482
功能描述  cSPIN?? microstepping motor controller with motion engine and SPI
PDF  73 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6482 数据表(HTML) 52 Page - STMicroelectronics

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Programming manual
L6482
52/73
Doc ID 023768 Rev 2
The synchronization signal is obtained starting from the electrical position information
(EL_POS register), according to Table 25:
9.1.17
ALARM_EN
The ALARM_EN register allows the selection of which alarm signals are used to generate
the FLAG output. If the respective bit of the ALARM_EN register is set high, the alarm
condition forces the FLAG pin output down.
Table 24.
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 25.
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)
Table 26.
ALARM_EN register
ALARM_EN bit
Alarm condition
0 (LSB)
Overcurrent
1
Thermal shutdown



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