QFP Microcontrollers 2,400+

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Part RoHS Manufacturer Peripheral IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Package Body Material Integrated Cache Surface Mount Maximum Supply Voltage On Chip Data RAM Width Screening Level Address Bus Width DAC Channels Bit Size Power Supplies (V) Package Style (Meter) Package Equivalence Code Minimum Supply Voltage Maximum Operating Temperature CPU Family No. of External Interrupts Minimum Operating Temperature Terminal Finish ADC Channels Ultraviolet Erasable Terminal Position DMA Channels Digital To Analog Convertors Maximum Seated Height ROM Words RAM Words Width Data EEPROM Size Additional Features Boundary Scan Peripherals External Data Bus Width Maximum Clock Frequency Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Total Dose (V) ROM Bits Size No. of Timers RAM Bytes Technology Analog To Digital Convertors Maximum Supply Current Minimum Time Nominal Supply Voltage No. of DMA Channels PWM Channels No. of Serial I/Os Sub-Category Connectivity ROM Programmability Terminal Pitch Format JESD-30 Code Moisture Sensitivity Level (MSL) Qualification Speed Low Power Mode JESD-609 Code Maximum Standby Current On Chip Program ROM Width No. of I/O Lines Maximum Access Time

UPSD3312D-24U1T

STMicroelectronics

COMMERCIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP80,.55SQ,20

70 Cel

8051

0 Cel

MATTE TIN

QUAD

65536

2048

CMOS

5 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

1

Not Qualified

24 rpm

e3

ST92124V1QCE

STMicroelectronics

MICROCONTROLLER

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

22

NO

16

FLATPACK

QFP100,.7X.9

4.5 V

125 Cel

ST9

7

-40 Cel

YES

QUAD

YES

3.4 mm

131072

14 mm

1K

NO

TIMER(5), WDT

8

5 MHz

20 mm

5

4096

CMOS

16-Ch 10-Bit

60 mA

5 V

YES

2

I2C, SCI(2), SPI

FLASH

.65 mm

FIXED POINT

R-PQFP-G100

24 rpm

YES

8

80

UPSD3253B-24U6

STMicroelectronics

INDUSTRIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP80,.55SQ,20

85 Cel

8051

-40 Cel

QUAD

131072

32768

CMOS

62 mA

5 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

Not Qualified

24 rpm

UPSD3353DV-24T6T

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

131072

32768

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

UPSD3212C-24T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

65536

2048

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

24 rpm

ST92F120JV9Q3

STMicroelectronics

MICROCONTROLLER

AUTOMOTIVE

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

16

NO

16

FLATPACK

4.5 V

125 Cel

-40 Cel

YES

QUAD

NO

3.4 mm

14 mm

8

24 MHz

20 mm

HCMOS

5 V

YES

FLASH

.65 mm

R-PQFP-G100

Not Qualified

24 rpm

77

UPSD3234AV-40T6T

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

QUAD

262144

256

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

UPSD3313D-40U6T

STMicroelectronics

INDUSTRIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP80,.55SQ,20

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

131072

2048

CMOS

5 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

1

Not Qualified

40 rpm

e3

UPSD3333D-24T6

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

131072

8192

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

ST92F120JV9Q

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

16

NO

16

5

FLATPACK

QFP100,.7X.9

4.5 V

105 Cel

ST9

-40 Cel

NICKEL PALLADIUM GOLD

YES

QUAD

YES

3.4 mm

61440

14 mm

8

24 MHz

20 mm

2048

HCMOS

60 mA

5 V

YES

Microcontrollers

FLASH

.65 mm

R-PQFP-G100

Not Qualified

24 rpm

e4

77

UPSD3332D-40T6T

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

65536

8192

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

40 rpm

e3

UPSD3354D-24U6

STMicroelectronics

INDUSTRIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP80,.55SQ,20

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

262144

32768

CMOS

5 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

1

Not Qualified

24 rpm

e3

UPSD3253BV-24T1

STMicroelectronics

MICROCONTROLLER

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

3.6 V

8

3.3

FLATPACK

QFP52,.47SQ

3 V

70 Cel

8051

0 Cel

QUAD

1.75 mm

131072

10 mm

NOT SPECIFIED

NOT SPECIFIED

10 mm

32768

CMOS

3.3 V

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

24 rpm

UPSD3332D-24T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

MATTE TIN

QUAD

65536

8192

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

ST9030Q1

STMicroelectronics

MICROCONTROLLER

COMMERCIAL

GULL WING

80

QFP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

16

NO

16

FLATPACK

4.5 V

70 Cel

9

0 Cel

YES

QUAD

YES

8192

224

CAPTURE/COMPARE UNIT

NO

8

24 MHz

3

CMOS

5 V

4

NO

2

MROM

FIXED POINT

R-PQFP-G80

Not Qualified

24 rpm

YES

8

56

PSD813F4-70U

STMicroelectronics

COMMERCIAL

GULL WING

64

QFP

SQUARE

PLASTIC/EPOXY

YES

5

FLATPACK

QFP64,.6SQ,32

70 Cel

0 Cel

N

QUAD

1310720 Bits

CMOS

5 V

Other Microprocessor ICs

.8 mm

S-PQFP-G64

Not Qualified

.0001 Amp

.00000007 ns

PSD813F4V-15U

STMicroelectronics

COMMERCIAL

GULL WING

64

QFP

SQUARE

PLASTIC/EPOXY

YES

3.3

FLATPACK

QFP64,.6SQ,32

70 Cel

0 Cel

N

QUAD

1310720 Bits

CMOS

3.3 V

Other Microprocessor ICs

.8 mm

S-PQFP-G64

Not Qualified

.0001 Amp

.00000015 ns

UPSD3354D-40U1

STMicroelectronics

COMMERCIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP80,.55SQ,20

70 Cel

8051

0 Cel

MATTE TIN

QUAD

262144

32768

CMOS

5 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

1

Not Qualified

40 rpm

e3

ST92F150CV1Q3

STMicroelectronics

MICROCONTROLLER

AUTOMOTIVE

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

22

NO

16

FLATPACK

4.5 V

125 Cel

-40 Cel

MATTE TIN

YES

QUAD

YES

3.4 mm

14 mm

8

5 MHz

20 mm

HCMOS

5 V

YES

FLASH

.65 mm

R-PQFP-G100

Not Qualified

24 rpm

e3

80

ST92F120V9Q3

STMicroelectronics

MICROCONTROLLER

AUTOMOTIVE

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

16

NO

16

FLATPACK

4.5 V

125 Cel

-40 Cel

YES

QUAD

NO

3.4 mm

14 mm

8

24 MHz

20 mm

HCMOS

5 V

YES

FLASH

.65 mm

R-PQFP-G100

Not Qualified

24 rpm

77

ST92F120JV6Q

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

16

NO

16

5

FLATPACK

QFP100,.7X.9

4.5 V

105 Cel

ST9

-40 Cel

NICKEL PALLADIUM GOLD

YES

QUAD

YES

3.4 mm

36864

14 mm

8

24 MHz

20 mm

1536

HCMOS

60 mA

5 V

YES

Microcontrollers

FLASH

.65 mm

R-PQFP-G100

Not Qualified

24 rpm

e4

77

UPSD3254B-24U6T

STMicroelectronics

INDUSTRIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP80,.55SQ,20

85 Cel

8051

-40 Cel

QUAD

262144

32768

CMOS

62 mA

5 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

Not Qualified

24 rpm

ST90R158Q6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

80

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

16

NO

16

3/5

FLATPACK

QFP80,.7X.9,32

4.5 V

85 Cel

ST9

-40 Cel

NICKEL PALLADIUM GOLD

YES

QUAD

YES

3.4 mm

14 mm

ALSO OPERATES AT 3.3 TO 5.5V SUPPLY

8

5 MHz

20 mm

2048

CMOS

40 mA

5 V

YES

Microcontrollers

.8 mm

R-PQFP-G80

Not Qualified

24 rpm

e4

67

UPSD3253B-40T6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

NO

8

5

FLATPACK

QFP52,.47SQ

4.5 V

85 Cel

8051

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

YES

QUAD

NO

1.75 mm

131072

10 mm

0

40 MHz

30

260

10 mm

32768

CMOS

5 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

3

Not Qualified

40 rpm

e4

37

UPSD3233BV-40T1T

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

131072

256

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

ST92150JDV1QBE

STMicroelectronics

MICROCONTROLLER

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

22

NO

16

FLATPACK

QFP100,.7X.9

4.5 V

105 Cel

ST9

7

-40 Cel

YES

QUAD

YES

3.4 mm

131072

14 mm

1K

NO

TIMER(5), WDT

8

5 MHz

20 mm

5

6144

CMOS

16-Ch 10-Bit

60 mA

5 V

YES

4

CAN(2), I2C, SCI(2), SPI

FLASH

.65 mm

FIXED POINT

R-PQFP-G100

24 rpm

YES

8

80

F272-BAG-P-TR

STMicroelectronics

MICROCONTROLLER

AUTOMOTIVE

GULL WING

144

QFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

24

NO

16

5

FLATPACK

QFP144,1.2SQ

4.5 V

125 Cel

ST10

-40 Cel

Matte Tin (Sn) - annealed

YES

QUAD

NO

4.07 mm

65536

28 mm

0

POR, PWM(8), RTC, TIMER(5), WDT

16

64 MHz

30

245

28 mm

20480

CMOS

24-Ch 10-Bit

5 V

YES

Microcontrollers

ASC(2), CAN(2), I2C, SSC(2)

FLASH

.65 mm

S-PQFP-G144

3

Not Qualified

64 rpm

e3

32

111

UPSD3234B-40T1T

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

262144

256

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

UPSD3313D-24T6T

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

131072

2048

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

UPSD3212CV-40T6

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

QUAD

65536

2048

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

UPSD3312D-24T6

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

65536

2048

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

UPSD3234BV-40T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

262144

256

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

UPSD3352D-24U1

STMicroelectronics

COMMERCIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP80,.55SQ,20

70 Cel

8051

0 Cel

MATTE TIN

QUAD

65536

32768

CMOS

5 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

1

Not Qualified

24 rpm

e3

UPSD3353DV-24T1T

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

MATTE TIN

QUAD

131072

32768

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

UPSD3233B-40U6F

STMicroelectronics

MICROCONTROLLER, RISC

INDUSTRIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP80,.55SQ,20

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

131072

8192

CMOS

5 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

1

Not Qualified

40 rpm

e3

ST92F120V1Q6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

16

NO

16

5

FLATPACK

QFP100,.7X.9

4.5 V

85 Cel

ST9

-40 Cel

NICKEL PALLADIUM GOLD

YES

QUAD

YES

3.4 mm

131072

14 mm

8

5 MHz

20 mm

4096

HCMOS

60 mA

5 V

YES

Microcontrollers

FLASH

.65 mm

R-PQFP-G100

Not Qualified

24 rpm

e4

77

PSD813F5-90UT

STMicroelectronics

COMMERCIAL

GULL WING

64

QFP

SQUARE

PLASTIC/EPOXY

YES

5

FLATPACK

QFP64,.6SQ,32

70 Cel

0 Cel

N

QUAD

1048576 Bits

CMOS

5 V

Other Microprocessor ICs

.8 mm

S-PQFP-G64

Not Qualified

.0001 Amp

.00000009 ns

UPSD3334DV-24T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

MATTE TIN

QUAD

262144

8192

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

PSD813F4V-15UI

STMicroelectronics

INDUSTRIAL

GULL WING

64

QFP

SQUARE

PLASTIC/EPOXY

YES

3.3

FLATPACK

QFP64,.6SQ,32

85 Cel

-40 Cel

N

QUAD

1310720 Bits

CMOS

3.3 V

Other Microprocessor ICs

.8 mm

S-PQFP-G64

Not Qualified

.0001 Amp

.00000015 ns

PSD813F4V-20UI

STMicroelectronics

INDUSTRIAL

GULL WING

64

QFP

SQUARE

PLASTIC/EPOXY

YES

3.3

FLATPACK

QFP64,.6SQ,32

85 Cel

-40 Cel

N

QUAD

1310720 Bits

CMOS

3.3 V

Other Microprocessor ICs

.8 mm

S-PQFP-G64

Not Qualified

.0001 Amp

.0000002 ns

ST92F124V1QBE

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

22

NO

16

5

FLATPACK

QFP100,.7X.9

4.5 V

105 Cel

ST9

-40 Cel

YES

QUAD

YES

3.4 mm

131072

14 mm

8

5 MHz

NOT SPECIFIED

NOT SPECIFIED

20 mm

4096

HCMOS

60 mA

5 V

YES

Microcontrollers

FLASH

.65 mm

R-PQFP-G100

Not Qualified

24 rpm

e3

77

UPSD3233BV-40U1T

STMicroelectronics

COMMERCIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP80,.55SQ,20

70 Cel

8051

0 Cel

QUAD

131072

256

CMOS

3.3 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

Not Qualified

40 rpm

UPSD3234B-24U1T

STMicroelectronics

COMMERCIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP80,.55SQ,20

70 Cel

8051

0 Cel

QUAD

262144

256

CMOS

5 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

Not Qualified

24 rpm

UPSD3234BV-24U6F

STMicroelectronics

MICROCONTROLLER, RISC

INDUSTRIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP80,.55SQ,20

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

262144

8192

CMOS

3.3 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

1

Not Qualified

24 rpm

e3

UPSD3313DV-40T6T

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

131072

2048

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

40 rpm

e3

ST90T40Q1

STMicroelectronics

MICROCONTROLLER

COMMERCIAL

GULL WING

80

QFP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5 V

8

16

NO

16

5

FLATPACK

QFP80,.7X.9,32

5 V

70 Cel

ST9

9

0 Cel

TIN LEAD

YES

QUAD

YES

3.4 mm

16384

480

14 mm

CAPTURE/COMPARE UNIT

NO

8

24 MHz

20 mm

3

480

CMOS

50 mA

5 V

4

YES

2

Microcontrollers

OTPROM

.8 mm

FIXED POINT

R-PQFP-G80

Not Qualified

24 rpm

YES

e0

8

56

UPSD3334D-40U1T

STMicroelectronics

COMMERCIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP80,.55SQ,20

70 Cel

8051

0 Cel

MATTE TIN

QUAD

262144

8192

CMOS

5 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

1

Not Qualified

40 rpm

e3

UPSD3332DV-24U6

STMicroelectronics

INDUSTRIAL

GULL WING

80

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP80,.55SQ,20

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

65536

8192

CMOS

3.3 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G80

1

Not Qualified

24 rpm

e3

Microcontrollers

A microcontroller is a type of integrated circuit (IC) that is designed to control a specific task or set of tasks within a larger system. Unlike a microprocessor, which is designed to be a general-purpose computing device, a microcontroller is optimized for embedded applications that require real-time control and processing.

Microcontrollers typically contain a processor core, memory, input/output (I/O) ports, and various peripheral devices, all on a single chip. The processor core is usually a low-power, low-speed version of a microprocessor, such as an 8-bit or 16-bit processor. The memory on a microcontroller includes both volatile and non-volatile memory, such as random-access memory (RAM) and flash memory, respectively. The I/O ports are used to interface with external devices such as sensors, switches, and displays.

Microcontrollers are used in a wide range of applications, including automotive systems, medical devices, consumer electronics, and industrial automation. They are particularly well-suited for applications that require real-time control and processing, such as motor control, temperature sensing, and data acquisition.

One of the key advantages of microcontrollers is their low cost and small size. Because all of the necessary components are integrated onto a single chip, microcontrollers are much smaller and less expensive than other types of computing devices. This makes them ideal for use in small, battery-powered devices such as handheld calculators and remote controls.