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参数资料
| 型号： | AMIS30621C6217G |
| 厂商： | ON Semiconductor |
| 文件页数： | 37/59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
Reading Frames
A reading frame uses an in ? frame response mechanism.
That is: the master initiates the frame (synchronization field
+ identifier field), and one slave sends back the data field
together with the check field. Hence, two types of identifiers
can be used for a reading frame:
? Direct ID, which points at a particular slave node,
indicating at the same time which kind of information
is awaited from this slave node, thus triggering a
specific command. This ID provides the fastest access
to a read command but is forbidden for any other
action.
? Indirect ID, which only specifies a reading command,
the physical address of the slave node that must answer
having been passed in a previous writing frame, called
a preparing frame. Indirect ID gives more flexibility
than a direct one, but provides a slower access to a read
command.
NOTES:
1. A reading frame with indirect ID must always be
consecutive to a preparing frame. It will otherwise
not be taken into account.
2. A reading frame will always return the physical
address of the answering slave node in order to
ensure robustness in the communication.
The reading frames, used with the AMIS ? 30621, are the
following:
a particular slave node together with an
application command. A preparing frame is not
needed.
Type #6 : eight Data bytes reading frame with 0x3D
identifier. This is intrinsically an indirect type,
needing therefore a preparation frame. It has the
advantage to use a reserved identifier. (Note:
because of the parity calculation done by the
master, the identifier becomes 0x7D as physical
data over the bus).
Preparing Frames
A preparing frame is a frame from the master that warns
a particular slave node that it will have to answer in the next
frame (being a reading frame). A preparing frame is needed
when a reading frame does not use a dynamically assigned
direct ID. Preparing and reading frames must be
consecutive. A preparing frame will contain the physical
address of the LIN slave node that must answer in the
reading frame and will also contain a command indicating
which kind of information is awaited from the slave.
The preparing frames used with the AMIS ? 30621 can be
of type #7 or type #8 described below.
Type #7 : two data bytes writing frame with
dynamically assigned identifier. The identifier
of the preparing frame has to be assigned to
ROM pointer 1000, see Table 28.
Type #5 : two, four or eight Data bytes reading frame
with a direct identifier dynamically assigned to
http://onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| AMIS-30622 | 制造商:AMI 制造商全称:AMI 功能描述:I2C Microstepping Motordriver |
| AMIS-30622AGA | 制造商:ON Semiconductor 功能描述:MICROSTEPPING MOTOR CNTRLR - Rail/Tube 制造商:ON Semiconductor 功能描述:MICROSTEPPING MOTOR CNTRLR - Tape and Reel |
| 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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