參數(shù)資料
型號(hào): ST72T141K2MARE
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO34
封裝: 0.300 INCH, LEAD FREE, PLASTIC, SOP-34
文件頁數(shù): 93/131頁
文件大?。?/td> 3096K
代理商: ST72T141K2MARE
ST72141K2-Auto
64/131
MOTOR CONTROLLER (Cont’d)
Figure 40. Step Behavior of One Output Channel MCO[n] in Current / Sensorless Mode
Figure 41. Step Behavior of One Output Channel MCO[n] in Current / Sensor Mode
C
D
C
M
o
d
e
Current
(V0C1
=
1)
O
E
[1
:0
]
O
[5:
0
]
X
Even
(0)
(Current Mode without polarity effect, sensorless mode: SR = 0)
Demagnetization
Step
E
ve
n
t
Off
(0)
On
(
1
)
Odd
(1)
1
0
Toff
xx
x
11
10
01
1
0
11
10
00
01
x
xx
OS1
OS0
OS2
PWM behavior before D
0
1
On Even Channels
On Odd Channels
OS[1:0]
PWM behavior after D
00
01
On Even Channels
On Odd Channels
10
11
Alternate Odd/Even
On all active Channels
1
0
1
0
1
0
1
0
1
0
C
M
o
d
e
Current
(V0C
1
=
1)
O
E
[5
:0
]
O
[5
:0
]
X
E
v
en
(0)
(Current Mode without polarity effect, sensor mode: SR = 1)
Step
E
ve
n
t
Of
f(
0
)
On
(1)
O
dd
(1)
xx
11
10
01
11
10
00
01
xx
OS1
OS0
1
0
OS2
Not used
-
OS[1:0]
PWM behavior after D
00
01
On Even Channels
On Odd Channels
10
11
Alternate Odd/Even
On all active Channels
1.25us
In sensor mode, there is no demagnetization event and the PWM behavior is the
same for the complete step time.
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