ST7MC2S4 STMicroelectronics, ST7MC2S4 Datasheet - Page 192

• Manufacturer Part Number: ST7MC2S4
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,BRUSHLESS MOTOR CONTROL, 5 TIMERS, SPI, LINSCI(TM)
• Manufacturer: STMicroelectronics

ST7MC1xx/ST7MC2xx
MOTOR CONTROLLER (Cont’d)
Figure 109. PWM application in Voltage or Current sensorless mode (see
192/309
1
OS2
0
1
High Channels
Low Channels
PWM behaviour after C
and before D
000
001
010
011
100
101
110
111
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
High
High
Low
Low
High
Low
Low
Low
Low
Low
Low
High
High
High
High
High
1
0
Demagnetization
OS2
OS1
0
1
High Channels
Low Channels
PWM behaviour after D
and before Z
Demagnetization
Demagnetization
Wait Z event
Step
OS1
OS0
0
1
High Channels
Low Channels
Table
PWM behaviour after Z
and before next C
Delay
OS0
61)