參數(shù)資料
型號(hào)： AMIS-30623AAGA
英文描述： LIN Microstepping Motordriver
中文描述： 林微步Motordriver
文件頁數(shù)： 20/67頁
文件大?。?/td> 1444K
代理商： AMIS-30623AAGA
AMIS-30623 LIN Microstepping Motordriver
Data Sheet
15.1.4. Hardwired Address HW2
In
Figure 11
a simplified schematic diagram is shown of the HW2 comparator circuit.
The HW2 pin is sensed via 2 switches. The DriveHS and DriveLS control lines are alternatively closing the top and bottom switch
connecting HW2 pin with a current to resistor converter. Closing S
TOP
(DriveHS = 1) will sense a current to GND. In that case the top
I
R convertor output is low, via the closed passing switch S
PASS_T
this signal is fed to the “R” comparator which output HW2_Cmp is
high. Closing bottom switch S
BOT
(DriveLS = 1) will sense a current to VBAT. The corresponding I
R converter output is low and via
S
PASS_B
fed to the comparator. The output HW2_Cmp will be high.
1
2
3
2 = R2VBAT
3 = OPEN
1 = R2GND
COMP
I
R
I
R
R
th
LOGIC
High
Low
Float
DriveHS
DriveLS
HW2_Cmp
HW2
"R"-Comp
State
S
TOP
S
BOT
S
PASS_T
S
PASS_B
Debouncer
Debouncer
32
μ
s
64 ms
Figure 11: Simplified Schematic Diagram of the HW2 Comparator
3 cases can be distinguished (see also Figure 11):
-
HW2 is connected to ground: R2GND or drawing 1
-
HW2 is connected to VBAT: R2VBAT or drawing 2
-
HW2 is floating: OPEN or drawing 3
Table 16: State Diagram of the HW2 Comparator
Previous State
DriveLS
Float
1
Float
1
Float
0
Float
0
Low
1
Low
1
Low
0
Low
0
High
1
High
1
High
0
High
0
The logic is controlling the correct sequence in closing the switches and in interpreting the 32
μ
s debounced HW2_Cmp output
accordingly. The output of this small state-machine is corresponding to:
-
High or address = 1
-
Low or address = 0
-
Floating
DriveHS
HW2_Cmp
New State
Float
High
Float
Low
Low
High
Float
Low
Float
High
High
Low
Condition
R2GND or OPEN
R2VBAT
R2VBAT or OPEN
R2GND
R2GND or OPEN
R2VBAT
R2VBAT or OPEN
R2GND
R2GND or OPEN
R2VBAT
R2VBAT or OPEN
R2GND
Drawing
1 or 3
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
2
2 or 3
1
1 or 3
2
2 or 3
1
1 or 3
2
2 or 3
1
20
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(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)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(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)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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