参数资料
型号: AMIS30623C6238G
厂商: ON Semiconductor
文件页数: 56/61页
文件大小: 0K
描述: IC MOTOR DRIVER/CTLR 20-SOIC
标准包装: 38
应用: 步进电机驱动器
评估套件: 可供
输出数: 1
电流 - 输出: 800mA
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
AMIS ? 30623
SetPositionShort
This command is provided to the circuit by the LIN Master
to drive one, two or four motors to a given absolute position.
It applies only for half stepping mode ( StepMode[1:0]
= “00”) and is ignored when in other stepping modes. See
Positioning for more details.
The physical address is coded on 4 bits, hence
SetPositionShort can only be used with a network
are corresponding to the bits PA[3:0] in OTP memory
(address 0x02) See Physical Address of the Circuit . For
SetPositionShort it is recommended to set HW0,
HW1 and HW2 to ’1’.
The priority encoder table (See Priority Encoder )
describes the cases where a SetPositionShort
command will be ignored.
implementing a maximum of 16 slave nodes. These 4 bits
SetPositionShort corresponds to the following LIN writing frames:
1. Two (2) data bytes frame for one (1) motor, with specific identifier (type #2)
Table 65. SetPositionShort WRITING FRAME TYPE #2
Structure
Byte
0
Content
Identifier
Bit 7
*
Bit 6
*
Bit 5
0
Bit 4
ID4
Bit 3
ID3
Bit 2
ID2
Bit 1
ID1
Bit 0
ID0
1
2
3
Data 1
Data 2
Checksum
Pos[10:8]
Broad
Pos [7:0]
Checksum over data
AD [3:0]
Where :
(*) According to parity computation
Broad: If broad = ‘0’ all the stepper motors connected to the LIN bus will go to Pos[10:0] .
ID[5:0]: Dynamically allocated identifier to two data bytes SetPositionShort command.
2. Four (4) data bytes frame for two (2) motors, with specific identifier (type # 2)
Table 66. SetPositionShort WRITING FRAME TYPE #2
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
Pos1[10:8]
Pos2[10:8]
1
1
Pos1[7:0]
AD1[3:0]
AD2[3:0]
4
5
Data 4
Checksum
Pos2[7:0]
Checksum over data
Where :
(*) according to parity computation
ID[5:0]: Dynamically allocated identifier to four data bytes SetPositionShort command.
Adn[3:0]: Motor #n physical address least significant bits (n ∈ [1,2]).
Posn[10:0]: Signed 11 ? bit position set point for Motor #n (see RAM Registers )
http://onsemi.com
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