ST7FMC2S4T6 STMicroelectronics, ST7FMC2S4T6 Datasheet - Page 147

• Manufacturer Part Number: ST7FMC2S4T6
• Description: MCU 8BIT 16K FLASH 44-LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FMC2S4T6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: LINSCI, SPI
• Peripherals: LVD, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 26
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 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: 44-LQFP
• Processor Series: ST7FMC2x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 60
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• 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 ST7MC497-8213 - BOARD EVAL ST7FMC2S4T6/STS8DNH3L497-6408 - 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: 497-4870

MOTOR CONTROLLER (Cont’d)
Figure 77. Simplified MTC Block Diagram
[Z] : Back EMF Zero-crossing event
Z
[C] : Commutation event
C
(I): Current mode
(V): Voltage mode
n
n
: Time elapsed between two consecutive Z events
PWM MANAGER
: Time delayed after Z event to generate C event
WEIGHT
MEASUREMENT
DELAY
GENERATOR
WINDOW
or SPEED MEASURE UNIT (not represented)
12-bit counter
Phase W
Phase U
Phase V
DELAY = WEIGHT x Zn
DELAY MANAGER
(I)
(V)
CAPTURE Zn
Phase U
1
(I)
CURRENT
VOLTAGE
(V)
(V)
COMMUTE [C]
MODE
TIMER
MTIM
=?
PCN bit
BEMF ZERO-CROSSING
12-bit THREE-PHASE
U, V, W
Phases
BEMF=0
TACHO
INPUT DETECTION
PWM GENERATOR
CFAV bit
[Z]
Encoder Unit
DETECTOR
MANAGER
CHANNEL
OAON bit
Int/Ext
ST7MC1xx/ST7MC2xx
ADC
+
-
MCCREF
C
MCIA
MCIB
MCIC
MCVREF
MCO5
MCO4
MCO3
MCO2
MCO1
MCO0
NMCES
OAP
OAN
OAZ(MCCFI1)
MCCFI0
MCPWMU
MCPWMV
MCPWMW
(V)
(I)
R
147/309
3
V
DD
R
R
2
1
1