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参数资料
| 型号： | AMIS30621C6217G |
| 厂商： | ON Semiconductor |
| 文件页数： | 36/59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
Writing Frames
The LIN master sends commands and/or information to
the slave nodes by means of a writing frame. According to
the LIN specification, identifiers are to be used to determine
a specific action. If a physical addressing is needed, then
some bits of the data field can be dedicated to this, as
illustrated in the example below.
ID0
Identifier Byte
ID1 ID2 ID3 ID4 ID5 ID6 ID7
Data Byte 1
Data Byte 2
phys. address
<ID6> and <ID7> are used for parity check over <ID0>
to <ID5>, conform LIN1.3 specification. <ID6> = <ID0> ?
<ID1> ? <ID2> ? <ID4> (even parity) and <ID7> =
NOT(<ID1> ? <ID3> ? <ID4> ? <ID5>) (odd parity).
Another possibility is to determine the specific action
within the data field in order to use less identifiers. One can
command parameters (e.g. position)
for example use the reserved identifier 0x3C and take
advantage of the 8 byte data field to provide a physical
address, a command and the needed parameters for the
action, as illustrated in the example below.
ID
Data Byte 1
Data Byte 2
Data Byte 3
Data Byte 4
Data Byte 5
Data Byte 6
Data Byte 7
Data Byte 8
0x3C
00
1
AppCmd
command
physical
address
parameters
NOTE:
Bit 7 of Data byte 1 must be at ‘1’ since the LIN specification requires that contents from 0x00 to 0x7F must be reserved for
broadcast messages (0x00 being for the “Sleep” message). See also LIN command Sleep
The writing frames used with the AMIS ? 30621 are the
following:
Type #1 : General purpose two or four data bytes
writing frame with a dynamically assigned
identifier. This type is dedicated to short writing
actions when the bus load can be an issue. They
are used to provide direct command to one
(( <Broad> = ‘1’) or all the slave nodes
( <Broad> = ‘0’). If <Broad> = ‘1’, the
physical address of the slave node is provided
by the 7 remaining bits of DATA2. DATA1 will
contain the command code (see Dynamic
assignment of Identifiers), while, if present,
DATA3 to DATA4 will contain the command
parameters, as shown below.
ID
Data1
Data2
Data3 ...
ID0 ID1 ID2 ID3 ID4 ID5 ID6 ID7
command
Physical address
Broad
Parameters ...
NOTE:
<ID4> and <ID5> indicate the number of data bytes.
ID5
0
0
ID4
0
1
Ndata (number of data fields)
2
2
Type #3 : two data bytes writing frame with an
identifier dynamically assigned to a particular
slave node together with an application
command. This type of frame requires that
1 0 4
1 1 8
Type #2 : two, four or eight data bytes writing frame
with an identifier dynamically assigned to an
application command, regardless of the
there are as many dynamically assigned
identifiers as there are AMIS ? 30621 circuits
using this command connected to the LIN bus.
Type #4 : eight data bytes writing frame with 0x3C
identifier.
physical address of the circuit.
http://onsemi.com
36
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相关代理商/技术参数 |
参数描述 |
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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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| AMIS-30622ANA | 制造商:ON Semiconductor 功能描述:MICROSTEPPING MOTOR CNTRLR - Trays 制造商:ON Semiconductor 功能描述:MICROSTEPPING MOTOR CNTRLR - Tape and Reel |
| AMIS30622C6223G | 功能描述:马达/运动/点火控制器和驱动器 I2C 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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