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参数资料
| 型号： | L6470HTR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 7 A, PDSO28 |
| 封装： | ROHS COMPLIANT, HTSSOP-28 |
| 文件页数： | 32/64页 |
| 文件大小： | 814K |
| 代理商： | L6470HTR |
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Programming manual
L6470
38/64
Doc ID 16737 Rev 2
9.1.3
MARK
The MARK register contains an absolute position called MARK in according to the selected
step mode; the stored value unit is equal to the selected step mode (full, half, quarter, etc.).
It is in two's complement format and it ranges from -221 to +221-1.
9.1.4
SPEED
The SPEED register contains the current motor speed, expressed in step/tick (format
unsigned fixed point 0.28).
In order to convert the SPEED value in step/s the following formula can be used:
Equation 4
where SPEED is the integer number stored into the register and tick is 250 ns.
The available range is from 0 to 15625 step/s with a resolution of 0.015 step/s.
Note:
The range effectively available to the user is limited by the MAX_SPEED parameter.
Any attempt to write the register causes the command to be ignored and the
NOTPERF_CMD flag to rise (see paragraph 9.1.22).
9.1.5
ACC
The ACC register contains the speed profile acceleration expressed in step/tick2 (format
unsigned fixed point 0.40).
In order to convert ACC value in step/s2 the following formula can be used:
Equation 5
where ACC is the integer number stored into the register and tick is 250 ns.
The available range is from 14.55 to 59590 step/s2 with a resolution of 14.55 step/s2.
When the ACC value is set to 0xFFF the device works in infinite acceleration mode.
Any attempt to write to the register when the motor is running causes the command to be
ignored and the NOTPERF_CMD flag to rise (see paragraph 9.1.22).
[]
tick
2
SPEED
s
/
step
28
=
[
]
2
40
2
tick
2
ACC
s
/
step
=
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相关代理商/技术参数 |
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| L6470HTR-CUT TAPE | 制造商:ST 功能描述:L6470H Series 45 V Quad Output dSPIN Microstepping Motor Driver - HTSSOP-28 |
| L6470PD | 功能描述:马达/运动/点火控制器和驱动器 dSPIN 7.0A 8 - 45 V DMOS Motor Driver RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| L6470PDTR | 功能描述:马达/运动/点火控制器和驱动器 dSPIN 7.0A 8 - 45 V DMOS Motor Driver RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| L64710GC-30 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Encoder/Decoder |
| L64710GC-40 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Encoder/Decoder |
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