參數(shù)資料
型號: L6470PD
廠商: STMICROELECTRONICS
元件分類: 運動控制電子
英文描述: STEPPER MOTOR CONTROLLER, 7 A, PDSO36
封裝: ROHS COMPLIANT, SSOP-36
文件頁數(shù): 52/61頁
文件大小: 703K
代理商: L6470PD
Programming manual
L6470
56/61
Doc ID 16737 Rev 1
9.2.15
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 DEC register (see
paragraph 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 in high-
impedance state.
9.2.16
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 in high-
impedance state.
9.2.17
LastCommand
This command returns the last command, parameters included, sent to the device.
Note:
LastCommand is considered as a normal command and then it becomes the new "last
command".
Table 48.
SoftHiZ command structure
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
10100000
from host
Table 49.
HardHiZ command structure
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
10101000
from host
Table 50.
LastCommand command structure
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
11001000
from host
Last command byte
to host
Argument byte 2 (if needed)
to host
Argument byte 1 (if needed)
to host
Argument byte 0 (if needed)
to host
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