ST92141 STMicroelectronics, ST92141 Datasheet - Page 118

• Manufacturer Part Number: ST92141
• Description: 8/16-bit Mcu For 3-phase Ac Motor Control
• Manufacturer: STMicroelectronics

ST92141 - 3-PHASE INDUCTION MOTOR CONTROLLER (IMC)
INDUCTION MOTOR CONTROLLER (Cont’d)
If the 11-bit Compare register value is greater than
the extended Compare 0 Register (the 11
set to ‘0’), the corresponding PWM output signal is
held at ‘1’.
Figure 65. Zerocentered PWM Waveforms (Compare 0 Register = 8)
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9
1
2
3
4
‘1’
‘0’
1 Compare Register value = 4
2 Compare Register value = 7
3 Compare Register value > = 8
4 Compare Register value = 0
0
1
2
3
4
5
th
6
bit is
7
8
If the 11-bit Compare register value is 0, the corre-
sponding PWM output signal is held at ‘0’.
Figure 65
forms in an example where the Compare 0 register
value = 8.
7
6
shows some Zerocentered PWM wave-
5
4
3
2
1
0
1