ST92141 STMicroelectronics, ST92141 Datasheet - Page 123

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

INDUCTION MOTOR CONTROLLER (Cont’d)
7.4.5.2 IMC Software Operating mode
In this operating mode, the Repetition register and
any Compare register can be independently up-
dated by software by setting the SDT bit in the
PCR2 register (this bit will be reset by hardware)
and the corresponding enable bit in the same reg-
ister.
No hardware loading is performed when an ADT
interrupt is generated.
Note: The Repetition Counter is decremented im-
mediately when the Repetition Counter is updated.
Figure 70. IMC Output selection.
PWM Counter
ST92141 - 3-PHASE INDUCTION MOTOR CONTROLLER (IMC)
Dead Time
Generator
ODCS bit
OPR Register
1
0
7.4.6 IMC Output selection
The IMC Output can be selected from the following
sources:
– OPR register (bit 5:0), by setting the ODS bit in
– Dead Time Generator outputs, by setting the
– PWM Counter outputs (h and l) are not comple-
Figure 70
the OPR register.
ODCS bit in PCR0 register.
mented when the ODCS bit is reset.
shows the IMC output selection.
1
0
ODS bit
PSR Register
UH
UL
VH
VL
WH
WL
123/179
9