ST7FMC2S6TC STMicroelectronics, ST7FMC2S6TC Datasheet - Page 217
ST7FMC2S6TC
Manufacturer Part Number
ST7FMC2S6TC
Description
IC MCU 8BIT 32K FLASH 44-LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST7FMC2S4T6.pdf
(309 pages)
Specifications of ST7FMC2S6TC
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
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
External
Operating Temperature
-40°C ~ 125°C
Package / Case
44-LQFP
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
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST7FMC2S6TC
Manufacturer:
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Quantity:
10 000
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ST7FMC2S6TCE
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MOTOR CONTROLLER (Cont’d)
REFERENCE REGISTER (MREF)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7 = HST: Hysteresis Comparator Value.
This read only bit contains the hysteresis compa-
rator output.
0: Demagnetisation/BEMF comparator is under
1: Demagnetisation/BEMF comparator is above
Bit 6 = CL: Current Loop Comparator Value.
This read only bit contains the current loop compa-
rator output value.
0: Current detect voltage is under V
1: Current detect voltage is above V
Bit 5= CFAV: Current Feedback Amplifier entry
0: OAZ(MCCFI1) is the current comparator entry
1: MCCFI0 is the current comparator entry
HST
V
V
Validation
7
REF
REF
CL
6
CFAV HFE1
5
4
HFE0 HFRQ2 HFRQ1 HFRQ0
3
2
CREF
CREF
1
0
Bits 4:3 = HFE[1:0]: Chopping mode selection
These bits select the chopping mode as shown in
the following table.
Table 71. Chopping mode
Bits 2:0 = HFRQ[2:0] : Chopper frequency selec-
These bits select the chopping frequency.
Table 72. Chopping frequency selection
Note: The chopper signal has a 50% duty cycle.
HFRQ2 HFRQ1 HFRQ0
HFE1
tion
0
0
1
1
0
0
0
0
1
1
1
1
HFE0
0
1
0
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Both High and Low channels
On High channels only
On Low channels only
ST7MC1xx/ST7MC2xx
F
F
Chopping mode
mtc
frequency
Chopping
mtc
1.33 MHz
100 KHz
200 KHz
400 KHz
500 KHz
800 KHz
1 MHz
2 MHz
= 16MHz
= 8MHz
OFF
F
666.66 MHz
frequency
Chopping
mtc
100 KHz
200 KHz
250 KHz
400 KHz
500 KHz
50 KHz
1 MHz
= 4MHz
217/309
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