52 Microcontrollers 1,864

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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

UPSD3253AV-24T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

131072

32768

CMOS

25 mA

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

24 rpm

UPSD3332DV-24T6

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

65536

8192

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

UPSD3212CV-24T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

65536

2048

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

24 rpm

UPSD3233A-24T6

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

QUAD

131072

256

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

24 rpm

UPSD3422EVB40T6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

52

LQFP

SQUARE

PLASTIC/EPOXY

YES

3.6 V

0

NO

8

3.3

FLATPACK, LOW PROFILE

QFP52,.47SQ

3 V

85 Cel

8051

-40 Cel

MATTE TIN

YES

QUAD

NO

1.6 mm

65536

10 mm

0

40 MHz

10 mm

4096

CMOS

3.3 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

1

Not Qualified

40 rpm

e3

35

UPSD3254B-40T6T

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

QUAD

262144

32768

CMOS

62 mA

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

UPSD3233A-40T6

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

QUAD

131072

256

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

UPSD3334DV-24T6

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

262144

8192

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

UPSD3233B-24T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

131072

256

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

24 rpm

UPSD3212CV-24T6T

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

3.6 V

0

NO

8

3.3

FLATPACK

QFP52,.47SQ

3 V

85 Cel

8051

-40 Cel

YES

QUAD

NO

1.75 mm

65536

10 mm

0

24 MHz

NOT SPECIFIED

NOT SPECIFIED

10 mm

2048

CMOS

20 mA

3.3 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

24 rpm

37

UPSD3254A-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

262144

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

UPSD3234AV-24T1

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

24 rpm

UPSD3253BV-24U6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

52

LFQFP

SQUARE

PLASTIC/EPOXY

YES

3.6 V

8

3.3

FLATPACK

QFP80,.55SQ,20

3 V

85 Cel

8051

-40 Cel

QUAD

1.6 mm

131072

12 mm

NOT SPECIFIED

NOT SPECIFIED

12 mm

32768

CMOS

3.3 V

Microcontrollers

FLASH

.5 mm

S-PQFP-G52

Not Qualified

24 rpm

UPSD3433E-40T6T

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

52

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

NO

8

3.3,5

FLATPACK, LOW PROFILE

QFP52,.47SQ

4.5 V

85 Cel

8051

-40 Cel

YES

QUAD

NO

1.6 mm

131072

10 mm

0

40 MHz

NOT SPECIFIED

NOT SPECIFIED

10 mm

8192

CMOS

5 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

40 rpm

35

UPSD3254B-40T1T

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

262144

32768

CMOS

62 mA

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

UPSD3233B-24T1T

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

131072

256

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

24 rpm

UPSD3253AV-40T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

131072

32768

CMOS

25 mA

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

UPSD3212C-40T6T

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

YES

QUAD

NO

1.75 mm

65536

10 mm

0

40 MHz

NOT SPECIFIED

NOT SPECIFIED

10 mm

2048

CMOS

62 mA

5 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

40 rpm

37

UPSD3212CV-24T1T

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

65536

2048

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

24 rpm

UPSD3234AV-24T6T

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

24 rpm

UPSD3352DV-40T6

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

65536

32768

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

40 rpm

e3

UPSD3333DV-40T6T

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

52

LQFP

SQUARE

PLASTIC/EPOXY

YES

3.6 V

0

NO

8

3.3

FLATPACK, LOW PROFILE

QFP52,.47SQ

3 V

85 Cel

8051

-40 Cel

YES

QUAD

NO

1.6 mm

131072

10 mm

0

40 MHz

NOT SPECIFIED

NOT SPECIFIED

10 mm

8192

CMOS

3.3 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

40 rpm

25

UPSD3333DV-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

131072

8192

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

UPSD3332D-40T6

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

UPSD3352D-40T6

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

MATTE TIN

QUAD

65536

32768

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

40 rpm

e3

UPSD3422EB40T6T

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

52

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

NO

8

3.3,5

FLATPACK, LOW PROFILE

QFP52,.47SQ

4.5 V

85 Cel

8051

-40 Cel

YES

QUAD

NO

1.6 mm

65536

10 mm

0

40 MHz

NOT SPECIFIED

NOT SPECIFIED

10 mm

4096

CMOS

5 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

40 rpm

35

UPSD3332DV-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

65536

8192

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

UPSD3253B-40T1T

STMicroelectronics

MICROCONTROLLER

COMMERCIAL

GULL WING

52

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

NO

8

5

FLATPACK, LOW PROFILE

QFP52,.47SQ

4.5 V

70 Cel

8051

0 Cel

YES

QUAD

NO

1.6 mm

131072

10 mm

0

NOT SPECIFIED

NOT SPECIFIED

10 mm

32768

CMOS

5 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

40 rpm

37

UPSD3434EV-40T6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

52

LQFP

SQUARE

PLASTIC/EPOXY

YES

3.6 V

0

NO

8

3.3

FLATPACK, LOW PROFILE

QFP52,.47SQ

3 V

85 Cel

8051

-40 Cel

MATTE TIN/NICKEL PALLADIUM GOLD

YES

QUAD

NO

1.6 mm

262144

10 mm

0

40 MHz

NOT SPECIFIED

260

10 mm

8192

CMOS

3.3 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

40 rpm

e3/e4

35

UPSD3312D-40T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

MATTE TIN

QUAD

65536

2048

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

40 rpm

e3

UPSD3314DV-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

262144

2048

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

40 rpm

e3

UPSD3254AV-24T6

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

QUAD

262144

32768

CMOS

25 mA

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

24 rpm

UPSD3253BV-40T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

131072

32768

CMOS

25 mA

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

UPSD3212A-40T6T

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

YES

QUAD

NO

1.75 mm

65536

10 mm

0

40 MHz

NOT SPECIFIED

NOT SPECIFIED

10 mm

2048

CMOS

62 mA

5 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

40 rpm

37

UPSD3233BV-24T1T

STMicroelectronics

MICROCONTROLLER

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

3.6 V

16

NO

8

3.3

FLATPACK

QFP52,.47SQ

3 V

70 Cel

8051

0 Cel

YES

QUAD

NO

1.75 mm

131072

10 mm

8

24 MHz

10 mm

8192

CMOS

3.3 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

24 rpm

41

UPSD3233AV-40T6T

STMicroelectronics

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

3.3

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

QUAD

131072

256

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

UPSD3253B-40T6F

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

85 Cel

8051

-40 Cel

QUAD

131072

32768

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

40 rpm

UPSD3212C-40T1

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

40 rpm

UPSD3234A-24T1

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

24 rpm

UPSD3233A-24T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

QUAD

131072

256

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

Not Qualified

24 rpm

UPSD3254A-40T1T

STMicroelectronics

MICROCONTROLLER

COMMERCIAL

GULL WING

52

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

NO

8

5

FLATPACK, LOW PROFILE

QFP52,.47SQ

4.5 V

70 Cel

8051

0 Cel

YES

QUAD

NO

1.6 mm

262144

10 mm

0

NOT SPECIFIED

NOT SPECIFIED

10 mm

32768

CMOS

5 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

40 rpm

37

UPSD3234A-40T6T

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

52

LFQFP

SQUARE

PLASTIC/EPOXY

NO

YES

5.5 V

NO

8

FLATPACK, LOW PROFILE, FINE PITCH

QFP52,.47SQ

4.5 V

85 Cel

8051

2

-40 Cel

Matte Tin (Sn)

YES

QUAD

NO

1.6 mm

262144

4096

10 mm

IT ALSO HAS 2ND FLASH MEMORY: 32K BYTES

YES

POR; PWM(5); TIMER(3); WDT

10 mm

CMOS

4-Ch 8-Bit

62 mA

5 V

YES

I2C; UART(2); USB

FLASH

.65 mm

FIXED POINT

S-PQFP-G52

1

Not Qualified

40 rpm

YES

e3

8

37

UPSD3232B-40T6

STMicroelectronics

MICROCONTROLLER

GULL WING

52

LQFP

SQUARE

YES

5.5 V

12

8

FLATPACK, LOW PROFILE

4.5 V

YES

QUAD

NO

10 mm

8

40 MHz

10 mm

CMOS

5 V

YES

.65 mm

40 rpm

37

PSD813F1V-12JI

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

J BEND

52

QCCJ

SQUARE

PLASTIC/EPOXY

YES

3.6 V

16

8

3.3

CHIP CARRIER

LDCC52,.8SQ

3 V

85 Cel

-40 Cel

Matte Tin (Sn)

NO

N

QUAD

NO

19.1 mm

16

19.1 mm

1310720 Bits

CMOS

3.3 V

NO

Other Microprocessor ICs

1.27 mm

S-PQCC-J52

Not Qualified

e3

.0001 Amp

27

.00000012 ns

UPSD3314DV-40T1

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

2048

CMOS

3.3 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

40 rpm

e3

UPSD3314D-24T1

STMicroelectronics

COMMERCIAL

GULL WING

52

QFP

SQUARE

PLASTIC/EPOXY

YES

8

5

FLATPACK

QFP52,.47SQ

70 Cel

8051

0 Cel

MATTE TIN

QUAD

262144

2048

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

UPSD3353D-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

32768

CMOS

5 V

Microcontrollers

FLASH

.635 mm

S-PQFP-G52

1

Not Qualified

24 rpm

e3

UPSD3233AV-24T1

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

24 rpm

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.