ST7FMC2R6T6 STMicroelectronics, ST7FMC2R6T6 Datasheet - Page 177

• Manufacturer Part Number: ST7FMC2R6T6
• Description: MCU 8BIT 32K FLASH 64TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FMC2R6T6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: LINSCI, SPI
• Peripherals: LVD, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 44
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Processor Series: ST7FMC2x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 60
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST7MC-KIT/BLDC, ST7MDT50-EMU3, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 16 Channel
• For Use With: 497-8402 - BOARD EVAL COMPLETE INVERTER497-8400 - KIT IGBT PWR MODULE CTRL ST7MC497-6408 - BOARD EVAL BLDC SENSORLESS MOTOR497-4734 - EVAL KIT 3KW POWER DRIVER BOARD497-4733 - EVAL KIT 1KW POWER DRIVER BOARD497-4732 - EVAL KIT 300W POWER DRIVER BOARD497-4731 - EVAL KIT PWR DRIVER CONTROL BRD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-4868

MOTOR CONTROLLER (Cont’d)
Figure 96. Simulated commutation event generation with only 1 Hall effect sensor (SC bit =1)
Note: If the SC bit is set during Z event interrupt,
then the 8*8 bit hardware multiplication result must
be overwritten in the MCOMP register. Otherwise,
Figure 97. Simulated commutation and Z event
in MCOMP-->C
with MTIM once written
hardware multiplication is put
the result of the
SC bit is reset
Z
C
H
Z
After C interrupt
MCOMP is written for C
if MCOMP<=MTIM
Immediate C
C
H
H
and compared
SC set in MCRC
C interrupt
D
C
S
S
generation
C
S
SC bit is set during Z IT
the hardware multiplication is taken
into account but the value in MCOMP
can be overwritten
D
s
event
Z
MCOMP
register
C
s
Z
D
C
H
SC reset in MCRB
Next C event = C
C interrupt
C
when the SC bit is set, the result of the multiplica-
tion is not taken into account after a Z event.
S
C
S
D
H
Z
Z zero-crossing event
D Demagnetisation event
C
C
with 8*8 bit multiplication
H
S
Simulated commutation
Hardware commutation
C
s
SC bit is already set when Z IT
occurs. The hardware multipli-
-cation is not taken into account
A value has to be written
in the MCOMP register
Z
Z zero-crossing event
D Demagnetisation event
C
C
H
S
Simulated commutation
D
Hardware commutation
ST7MC1xx/ST7MC2xx
Z
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