參數(shù)資料
型號(hào)： ST72141K2B3/XXX
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
封裝： 0.400 INCH, PLASTIC, SDIP-32
文件頁數(shù)： 82/133頁
文件大?。?/td> 2615K
代理商： ST72141K2B3/XXX
Obsolete
Product(s)
- Obsolete
Product(s)
ST72141K2
52/133
MOTOR CONTROLLER (Cont’d)
Table 16. Modes permitting BEMF reading after Demagnetization (D event)
SR bit
(Sensor/
Sensor-
less Mode)
Demagnet-
ization
V0C1 bit
(Voltage/
Current
Mode)
OS[2:0]
bits
(PWM
Output
Config.)
Significant
PWM
Group
REO bit
(Read
BEMF on
Even/Odd
group)
BEMF reading permitted after D event
when:
0
After D
event
1
x00
Even
0
Sensorless mode, Current Mode, PWM
output only on Even group and
BEMF
read on Even group
x01
Odd
1
Sensorless mode, Current Mode, PWM
output only on Odd group and
BEMF read
on Odd group
x10
Even
0
Sensorless mode, Current Mode, PWM
output on alternate groups but
BEMF
read only on Even group
x10
Odd
1
Sensorless mode, Current Mode, PWM
output on alternate groups but
BEMF
read only on Odd group
0
000
Even
0
Sensorless mode, Voltage Mode, PWM
output only on Even group and
BEMF
read on Even group
001
Odd
1
Sensorless mode, Voltage Mode, PWM
output only on Odd group and
BEMF read
on Odd group
100
Even
0
Sensorless mode, Voltage Mode, PWM
output only on Even group and BEMF
Read on Even group
101
Odd
1
Sensorless mode, Voltage Mode, PWM
output only on Odd group and BEMF Read
on Odd group
110
Even
0
Sensorless mode, Voltage Mode, PWM
output on alternate groups but BEMF read
only on Even group
110
Odd
1
Sensorless mode, Voltage Mode, PWM
output on alternate groups but BEMF read
on Odd group
xx11
Even and
Odd
x
Sensorless mode, Current or Voltage
Mode, PWM output on both groups, BEMF
read on either group
1
Not Used
x
xxx
Odd or
Even
x
Sensor Mode, in any PWM output configu-
ration, BEMF read on either group
Other cases
BEMF reading forbidden
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ST72141K2B6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH ELECTRIC-MOTOR CONTROL, ADC, 16-BIT TIMERS, SPI INTERFACE
ST72141K2M1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH ELECTRIC-MOTOR CONTROL, ADC, 16-BIT TIMERS, SPI INTERFACE
ST72141K2M3 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH ELECTRIC-MOTOR CONTROL, ADC, 16-BIT TIMERS, SPI INTERFACE
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