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參數(shù)資料
| 型號： | AMIS-30623AAGA |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 0.8 A, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數(shù)： | 40/67頁 |
| 文件大?。?/td> | 2400K |
| 代理商： | AMIS-30623AAGA |
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AMIS-30623 LIN Microstepping Motordriver
Data Sheet
16.6.2. 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-30623 are the following:
Type #5: 2, 4 or 8 Data bytes reading frame with a direct identifier dynamically assigned to a particular slave node together
with an application command. A preparing frame is not needed.
Type #6: 8 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.
16.6.3. Preparing Frames
A preparing frame is a writing frame that warns a particular slave node that it will have to answer in the next frame (hence 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-30623 can be of type #7 or type #8 described below.
Type #7: two data bytes writing frame with dynamically assigned identifier.
Preparing Frame
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
Data 1
1
CMD[6:0]
2
Data 2
1
AD[6:0]
Where:
(*)
According to parity computation
Type #8: eight data bytes writing frame with 0x3C identifier.
SetDualPositioning Writing Frame
Byte
Content
Structure
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Identifier
0
1
0
1
Data 1
AppCMD = 0x80
2
Data 2
1
CMD[6:0]
3
Data 3
1
AD[6:0]
4
Data 4
Data4[7:0]
5
Data 5
Data5[7:0]
6
Data 6
Data6[7:0]
7
Data 7
Data7[7:0]
8
Data 8
Data8[7:0]
Where:
AppCMD:
If = ‘0x80’ this indicates that Data 2 contains an application command
CMD[6:0]:
Application Command “byte”
AD[6:0]:
Slave node physical address
Datan[7:0]:
Data transmitted
45
AMI Semiconductor
– June 2006, Rev 3.0
www.amis.com
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AMIS-30623AANA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Microstepping Motordriver |
| AMIS-30623BAGA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Microstepping Motordriver |
| AMIS-30623BANA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Microstepping Motordriver |
| AMIS30623C6238G | 功能描述:馬達/運動/點火控制器和驅動器 LIN STEPPER DRIVER STALL RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| AMIS30623C6238RG | 功能描述:馬達/運動/點火控制器和驅動器 LIN STEPPER DRIVER STALL RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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