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L6480 bảng dữ liệu(PDF) 68 Page - STMicroelectronics

tên linh kiện L6480
Giải thích chi tiết về linh kiện  The L6480, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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L6480 bảng dữ liệu(HTML) 68 Page - STMicroelectronics

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Programming manual
L6480
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Doc ID 023278 Rev 3
This command can be given anytime and is immediately executed. This command keeps
the BUSY flag low until the motor is stopped.
9.2.17
HardStop
The HardStop command causes an immediate motor stop with infinite deceleration.
When the motor is in high impedance state, a HardStop command forces the bridges to exit
high impedance state; no motion is performed.
This command can be given anytime and is immediately executed. This command keeps
the BUSY flag low until the motor is stopped.
9.2.18
SoftHiZ
The SoftHiZ command disables the power bridges (high impedance state) after a
deceleration to zero; the deceleration value used is the one stored in the DEC register
(Section 9.1.6). When bridges are disabled, the HiZ flag is raised.
When the motor is stopped, a SoftHiZ command forces the bridges to enter high impedance
state.
This command can be given anytime and is immediately executed. This command keeps
the BUSY flag low until the motor is stopped.
9.2.19
HardHiZ
The HardHiZ command immediately disables the power bridges (high impedance state) and
raises the HiZ flag.
When the motor is stopped, a HardHiZ command forces the bridges to enter high
impedance state.
This command can be given anytime and is immediately executed.
This command keeps the BUSY flag low until the motor is stopped.
Table 64.
HardStop command structure
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
10
11
10
00
from host
Table 65.
SoftHiZ command structure
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
101000
00
from host
Table 66.
HardHiZ command structure
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
101010
00
from host



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