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| 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)： | 38/67頁 |
| 文件大?。?/td> | 2400K |
| 代理商： | AMIS-30623AAGA |
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AMIS-30623 LIN Microstepping Motordriver
Data Sheet
16.3 Functional Description
16.3.1. Analog Part
The transmitter is a low-side driver with a pull-up resistor and slope control. Figure 5 shows the characteristics of the transmitted signal,
including the delay between internal TxD – and LIN signal. See AC Parameters for timing values.
The receiver mainly consists of a comparator with a threshold equal to Vbb/2. Figure 5 also shows the delay between the received
signal and the internal RXD signal. See also AC Parameters for timing values.
16.3.2. Protocol Handler
This block implements:
bit synchronization
bit timing
the MAC layer
the LLC layer
the supervisor
16.3.3. Electro Magnetic Compatibility
EMC behavior fulfills requirements defined by LIN specification, rev. 1.3.
16.4 Error Status Register
The LIN interface implements a register containing an error status of the LIN communication. This register is as follows:
Table 30: LIN Error Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Not
used
Not
used
Not
used
Not
used
Time
out
error
Data
error
Flag
Header
error
Flag
Bit
error
Flag
With:
Time out error:
Data error flag = Checksum error + StopBit error + Length error
Header error flag
= Parity + SynchField error
Bit error flag :
A GetFullStatus frame will reset the error status register.
16.5 Physical Address of the Circuit
The circuit must be provided with a physical address in order to discriminate this circuit from other ones on the LIN bus. This address is
coded on 7 bits, yielding the theoretical possibility of 128 different circuits on the same bus. It is a combination of 4 OTP memory bits
and of the 3 hardwired address bits (pins HW[2:0]). However the maximum number of nodes in a LIN network is also limited by the
physical properties of the bus line. It is recommended to limit the number of nodes in a LIN network to not exceed 16. Otherwise the
reduced network impedance may prohibit a fault free communication under worst case conditions. Every additional node lowers the
network impedance by approximately 3%.
AD6 AD5 AD4 AD3 AD2 AD1 AD0
Physical address
↑
PA3 PA2 PA1 PA0 OTP memory
HW0 HW1 HW2
Hardwired bits
Note:
Pins HW0 and HW1 are 5V digital inputs, whereas pin HW2 is compliant with a 12V level, e.g. it can be connected to Vbat or Gnd via a terminal of the PCB. To provide
cleaning current for this terminal, the system used for pin SWI is also implemented for pin HW2 (see Hardwired Address HW2).
43
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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