參數(shù)資料
型號： AMIS-30623AAGA
英文描述： LIN Microstepping Motordriver
中文描述： 林微步Motordriver
文件頁數(shù)： 48/67頁
文件大?。?/td> 1444K
代理商： AMIS-30623AAGA
AMIS-30623 LIN Microstepping Motordriver
Data Sheet
16.8.3. Fail Safe Motion
The OTP bit <FailSafe> enables or disables an automatic motion to a predefined safe position. See also Autonomous Motion.
Table 33: Fail Safe Enable Selection
<FailSafe>
0
1
Behavior
NO motion in case of LIN –
lost
ENABLES motion to a safe position in case of LIN – lost
16.8.4. Autonomous Motion
AMIS-30623 is able to perform an Autonomous Motion to a preferred position. This positioning starts after the detection of lost LIN
communication and in case:
- the OTP bit <FailSafe> = 1.
- RAM register SecPos[10:0]
≠
0x400
The functional behavior depends if LIN communication is lost during normal operation (see Figure 27 case A) or at (or before) start-up
(See Figure 27 case B):
Figure 27: Flow chart power-up of AMIS-30623. 2 cases are illustrated; Case A: LIN lost during operation and Case B: LIN lost at start-up
OTP content is
copied in RAM
Power Up
GetFullStatus
(LIN communication ON)
LIN bus OK
A
B
Yes
No
LIN Lost During Normal Operation
If the LIN communication is lost during normal operation, it is assumed that AMIS-30623 is referenced. In other words the ActPos
register contains the “real” actual position. At LIN – lost an absolute positioning to the stored secure position SecPos is done. This is
further called Secure Positioning.
Following sequence will be followed. See also
Figure 28
1. “SecPos[10:0]” from RAM register will be used. This can be different from OTP register if earlier LIN master communication
has updated this. See also
Secure Position
and command
SetMotorParam
.
2. If the LIN communication is lost AND FailSafe = 0 there will be no secure positioning. Depending on SleepEn AMIS-30623 will
enter the STOP state or the SLEEP state. See
Table 32
.
3. If the LIN communication is lost AND FailSafe = 1 there are 2 possibilities:
I. If SecPos[10:0] = 0x400:
no Secure Positioning will be performed
Depending on SleepEn AMIS-30623 will enter the STOP state or the SLEEP state. See
Table 32
.
II. If SecPos[10:0]
≠
0x400:
Perform a Secure Positioning. This is an absolute positioning (slave knows its ActPos. SecPos[10:0] will be copied in
TagPos)
Important remarks:
(1) The Secure Position has a resolution of 11 bit
(2) Same behavior in case of HW2 float (= lost LIN address). See also
Hardwired Address HW2
48
AMI Semiconductor
– June 2006, Rev 3.0
www.amis.com
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相關(guān)代理商/技術(shù)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(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
AMIS30623C6238RG 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)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(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
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