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参数资料
| 型号： | AMIS30621C6217G |
| 厂商： | ON Semiconductor |
| 文件页数： | 43/59页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR STEPPER DVR/CTLR 20SOIC |
| 标准包装： | 38 |
| 应用： | PWM 电机驱动器，步进电机驱动器 |
| 评估套件： | 可供 |
| 输出数： | 1 |
| 电流 - 输出： | 800mA |
| 电压 - 负载： | 6.5 V ~ 29 V |
| 电源电压： | 6.5 V ~ 29 V |
| 工作温度： | -40°C ~ 165°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 20-SOIC |
| 包装： | 管件 |
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AMIS ? 30621
Usually, the AMIS ? 30621 makes use of dynamic
identifiers for general ? purpose two, four or eight bytes
writing frames. If dynamic identifiers are used for other
purposes, this is acknowledged. Some frames implement a
<Broad> bit that allows addressing a command to all the
AMIS ? 30621 circuits connected to the same LIN bus.
<Broad> is active when at ‘0’, in which case the physical
address provided in the frame is thus not taken into account
by the slave nodes.
Application Commands
GetActualPos
This command is provided to the circuit by the LIN master
to get the actual position of the stepper ? motor. This position
( <ActPos[15:0]> ) is returned in signed two’s
complement 16 ? bit format. One should note that according
to the programmed stepping mode, the LSB’s of
<ActPos[15:0]> may have no meaning and should be
assumed to be ‘0’, as described in Position Ranges.
GetActualPos also provides a quick status of the circuit
and the stepper ? motor, identical to that obtained by
command GetStatus (see further).
Note : A GetActualPos command will not attempt to
reset any flag.
GetActualPos corresponds to the following LIN reading
frames.
1. four data bytes in ? frame response with direct ID (type #5)
Table 30. READING FRAME
Structure
Byte
0
Content
Identifier
Bit 7
*
Bit 6
*
Bit 5
1
Bit 4
0
Bit 3
ID3
Bit 2
ID2
Bit 1
ID1
Bit 0
ID0
1
2
3
Data 1
Data 2
Data 3
ESW
AD[6:0]
ActPos[15:8]
ActPos[7:0]
4
Data 4
V DDReset
StepLoss
ElDef
UV2
TSD
TW
Tinfo[1:0]
5
Checksum
Checksum over data
Where :
( * ) According to parity computation
ID[5:0]: Dynamically allocated direct identifier. There should be as many dedicated identifiers to this GetActualPos
command as there are stepper ? motors connected to the LIN bus.
Note : Bit 5 and bit 4 in byte 0 indicate the number of data bytes.
2. The master sends either a type#7 or type#8 preparing frame. After the type#7 or #8 preparing frame, the master sends
a reading frame type#6 to retrieve the circuit’s in ? frame response.
Table 31. GetActualPos PREPARING FRAME TYPE #7
Byte
Content
Structure
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Identifier
*
*
0
ID4
ID3
ID2
ID1
ID0
1
2
3
Data 1
Data 2
Checksum
1
1
CMD[6:0] = 0x00
AD[6:0]
Checksum over data
http://onsemi.com
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| AMIS30621C6217RG | 功能描述:马达/运动/点火控制器和驱动器 LIN STEPPER 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 |
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