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L6480 数据表(PDF) 51 Page - STMicroelectronics

部件名 L6480
功能描述  The L6480, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.
PDF  73 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6480 数据表(HTML) 51 Page - STMicroelectronics

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L6480
Programming manual
Doc ID 023278 Rev 3
51/73
9.1.20
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.
9.1.21
GATECFG1
The GATECFG1 register has the following structure:
The IGATE parameter selects the sink/source current used by gate driving circuitry to
charge/discharge the respective gate during commutations. Seven possible values ranging
from 4 mA to 96 mA are available, as shown in Table 25.
Table 23.
ALARM_EN register
ALARM_EN bit
Alarm condition
0 (LSB)
Overcurrent
1
Thermal shutdown
2
Thermal warning
3UVLO
4
ADC UVLO
5
Stall detection
6
Switch turn-on event
7 (MSB)
Command error
Table 24.
GATECFG1 register
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
WD_EN
TBOOST
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
IGATE
TCC
Table 25.
IGATE parameter
IGATE [2..0}
Gate current [mA}
00
0
4
00
1
4
01
0
8
01
1
16
10
0
24
10
1
32



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