LQFP 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

ST90135M4T6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

80

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

16

NO

16

3/5

FLATPACK, LOW PROFILE

QFP80,.64SQ

4.5 V

85 Cel

ST9

-40 Cel

NICKEL PALLADIUM GOLD

YES

QUAD

YES

1.6 mm

16384

14 mm

ALSO OPERATES AT 2.7 TO 5.5V SUPPLY

8

24 MHz

14 mm

512

CMOS

45 mA

5 V

YES

Microcontrollers

MROM

.65 mm

S-PQFP-G80

Not Qualified

24 rpm

e4

67

ST7FMC2R7T6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

64

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

NO

8

5

FLATPACK, LOW PROFILE

QFP64,.6SQ,32

3.8 V

85 Cel

ST72

-40 Cel

NICKEL PALLADIUM GOLD

YES

QUAD

NO

1.6 mm

49152

14 mm

0

TIMER(5)

0

16 MHz

260

14 mm

1536

CMOS

16-Ch 10-Bit

18 mA

5 V

YES

Microcontrollers

LIN, SCI, SPI

FLASH

.8 mm

S-PQFP-G64

3

Not Qualified

8 rpm

e4

8

44

UPSD3434E-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

262144

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

ST52T530K3T6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

32

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

NO

8

FLATPACK, LOW PROFILE

2.4 V

85 Cel

-40 Cel

YES

QUAD

NO

1.6 mm

8192

7 mm

0

POR, TIMER(2), WDT

0

24 MHz

7 mm

512

CMOS

8-Ch 8-Bit

YES

I2C, SCI, SPI

OTPROM

.8 mm

S-PQFP-G32

Not Qualified

24 rpm

8

36

ST7MC2M9T3

STMicroelectronics

MICROCONTROLLER

GULL WING

80

LQFP

SQUARE

UNSPECIFIED

YES

5.5 V

0

8

FLATPACK

4.5 V

NICKEL PALLADIUM GOLD

YES

QUAD

NO

14 mm

0

16 MHz

14 mm

CMOS

5 V

YES

.65 mm

S-XQFP-G80

Not Qualified

16 rpm

e4

56

UPSD3234A-40U6T

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

80

LQFP

SQUARE

PLASTIC/EPOXY

NO

YES

5.5 V

12

NO

8

FLATPACK, LOW PROFILE

QFP80,.55SQ,20

4.5 V

85 Cel

8051

2

-40 Cel

Matte Tin (Sn)

YES

QUAD

NO

1.6 mm

262144

4096

12 mm

IT ALSO HAS 2ND FLASH MEMORY: 32K BYTES

YES

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

8

12 mm

CMOS

4-Ch 8-Bit

62 mA

5 V

YES

I2C; UART(2); USB

FLASH

.5 mm

FIXED POINT

S-PQFP-G80

1

Not Qualified

40 rpm

YES

e3

8

46

ST92185B3T1/XXX

STMicroelectronics

MICROCONTROLLER

COMMERCIAL

GULL WING

64

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

NO

16

5

FLATPACK, LOW PROFILE

QFP64,.6SQ,32

4.5 V

70 Cel

ST9

0 Cel

YES

QUAD

NO

1.6 mm

32768

14 mm

0

24 MHz

NOT SPECIFIED

NOT SPECIFIED

14 mm

256

HCMOS

100 mA

5 V

YES

Microcontrollers

MROM

.8 mm

S-PQFP-G64

Not Qualified

24 rpm

36

ST92195B1T1/XXX

STMicroelectronics

MICROCONTROLLER

COMMERCIAL

GULL WING

64

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

YES

16

FLATPACK, LOW PROFILE

4.5 V

70 Cel

0 Cel

YES

QUAD

NO

1.6 mm

14 mm

0

24 MHz

14 mm

CMOS

5 V

YES

MROM

.8 mm

S-PQFP-G64

Not Qualified

24 rpm

28

ST92196A6T4/XXX

STMicroelectronics

MICROCONTROLLER

COMMERCIAL EXTENDED

GULL WING

64

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

NO

16

5

FLATPACK, LOW PROFILE

QFP64,.6SQ,32

5 V

75 Cel

ST9

-10 Cel

YES

QUAD

YES

1.6 mm

98304

16 mm

0

4 MHz

NOT SPECIFIED

NOT SPECIFIED

16 mm

2048

CMOS

120 mA

4.5 V

YES

Microcontrollers

MROM

.8 mm

S-PQFP-G64

Not Qualified

24 rpm

e0

37

UPSD3454E-40T6

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

MATTE TIN

YES

QUAD

NO

1.6 mm

262144

10 mm

ALSO OPERATES AT 5V SUPPLY

0

40 MHz

10 mm

32768

CMOS

5 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

1

Not Qualified

40 rpm

e3

35

ST92F124R1T6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

64

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

22

NO

16

5

FLATPACK, LOW PROFILE

QFP64,.6SQ,32

4.5 V

105 Cel

ST9

-40 Cel

YES

QUAD

YES

1.6 mm

131072

14 mm

8

5 MHz

NOT SPECIFIED

NOT SPECIFIED

14 mm

4096

HCMOS

5 V

YES

Microcontrollers

FLASH

.8 mm

S-PQFP-G64

Not Qualified

24 rpm

77

ST7MC2S6T3

STMicroelectronics

MICROCONTROLLER

GULL WING

44

LQFP

SQUARE

UNSPECIFIED

YES

5.5 V

0

8

FLATPACK, LOW PROFILE

4.5 V

NICKEL PALLADIUM GOLD

YES

QUAD

NO

10 mm

0

16 MHz

10 mm

CMOS

5 V

YES

.8 mm

S-XQFP-G44

Not Qualified

16 rpm

e4

26

ST7PMC1K2T6

STMicroelectronics

MICROCONTROLLER, RISC

INDUSTRIAL

GULL WING

32

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

8

5

FLATPACK, LOW PROFILE

QFP32,.35SQ,32

4.5 V

85 Cel

ST72

-40 Cel

MATTE TIN

YES

QUAD

NO

8192

7 mm

0

16 MHz

7 mm

384

CMOS

18 mA

5 V

YES

Microcontrollers

MROM

.8 mm

S-PQFP-G32

1

Not Qualified

16 rpm

e3

17

ST92195C8T1/XXX

STMicroelectronics

MICROCONTROLLER

COMMERCIAL

GULL WING

64

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

NO

16

5

FLATPACK, LOW PROFILE

QFP64,.66SQ,32

4.5 V

70 Cel

ST9

0 Cel

YES

QUAD

NO

1.6 mm

86016

14 mm

0

14 mm

512

HCMOS

100 mA

5 V

YES

Microcontrollers

OTPROM

.8 mm

S-PQFP-G64

Not Qualified

24 rpm

28

UPSD3434EVB40T6

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

NICKEL PALLADIUM GOLD

YES

QUAD

NO

1.6 mm

262144

10 mm

0

40 MHz

30

260

10 mm

8192

CMOS

3.3 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

3

Not Qualified

40 rpm

e4

35

UPSD3312D-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

65536

10 mm

0

40 MHz

NOT SPECIFIED

NOT SPECIFIED

10 mm

2048

CMOS

5 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

40 rpm

25

ST92F120JV6T

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

64

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

16

NO

16

FLATPACK, LOW PROFILE

4.5 V

105 Cel

-40 Cel

YES

QUAD

YES

1.6 mm

14 mm

8

24 MHz

14 mm

HCMOS

5 V

YES

FLASH

.8 mm

S-PQFP-G64

Not Qualified

24 rpm

48

ST92195C6T1/XXX

STMicroelectronics

MICROCONTROLLER

COMMERCIAL

GULL WING

64

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

0

NO

16

5

FLATPACK, LOW PROFILE

QFP64,.66SQ,32

4.5 V

70 Cel

ST9

0 Cel

YES

QUAD

NO

1.6 mm

57344

14 mm

0

14 mm

512

HCMOS

100 mA

5 V

YES

Microcontrollers

OTPROM

.8 mm

S-PQFP-G64

Not Qualified

24 rpm

28

ST92F124R9TB

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

64

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

22

NO

16

5

FLATPACK, LOW PROFILE

QFP64,.66SQ,32

4.5 V

105 Cel

ST9

-40 Cel

TIN SILVER COPPER

YES

QUAD

YES

1.6 mm

65536

14 mm

8

5 MHz

14 mm

2048

HCMOS

60 mA

5 V

YES

Microcontrollers

FLASH

.8 mm

S-PQFP-G64

3

Not Qualified

24 rpm

e1

77

ST7MC2S7T3

STMicroelectronics

MICROCONTROLLER

GULL WING

44

LQFP

SQUARE

UNSPECIFIED

YES

5.5 V

0

8

FLATPACK, LOW PROFILE

4.5 V

NICKEL PALLADIUM GOLD

YES

QUAD

NO

10 mm

0

16 MHz

10 mm

CMOS

5 V

YES

.8 mm

S-XQFP-G44

Not Qualified

16 rpm

e4

26

UPSD3253BV-24T1T

STMicroelectronics

MICROCONTROLLER

COMMERCIAL

GULL WING

52

LQFP

SQUARE

PLASTIC/EPOXY

YES

3.6 V

0

NO

8

3.3

FLATPACK, LOW PROFILE

QFP52,.47SQ

3 V

70 Cel

8051

0 Cel

YES

QUAD

NO

1.6 mm

131072

10 mm

0

NOT SPECIFIED

NOT SPECIFIED

10 mm

32768

CMOS

3.3 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

24 rpm

37

UPSD3212C-40T6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

52

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

12

NO

8

5

FLATPACK, LOW PROFILE

QFP52,.47SQ

4.5 V

85 Cel

8051

-40 Cel

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

YES

QUAD

NO

1.6 mm

65536

10 mm

8

40 MHz

30

260

10 mm

2048

CMOS

62 mA

5 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

3

Not Qualified

40 rpm

e4

37

ST90T158M9LVT6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

80

LQFP

SQUARE

PLASTIC/EPOXY

YES

3.3 V

16

NO

16

3

FLATPACK, LOW PROFILE

QFP80,.64SQ

2.7 V

85 Cel

ST9

-40 Cel

NICKEL PALLADIUM GOLD

YES

QUAD

YES

1.6 mm

65536

14 mm

8

5 MHz

14 mm

2048

CMOS

35 mA

3 V

YES

Microcontrollers

OTPROM

.65 mm

S-PQFP-G80

Not Qualified

16 rpm

e4

67

STA2051

STMicroelectronics

MICROCONTROLLER, RISC

INDUSTRIAL

GULL WING

64

LQFP

SQUARE

PLASTIC/EPOXY

YES

3.6 V

0

NO

32

FLATPACK, LOW PROFILE

2.7 V

85 Cel

-40 Cel

TIN

NO

QUAD

NO

1.6 mm

14 mm

0

66 MHz

30

250

14 mm

CMOS

YES

FLASH

.8 mm

S-PQFP-G64

3

Not Qualified

66 rpm

e3

32

ST92F124R1C6

STMicroelectronics

MICROCONTROLLER

INDUSTRIAL

GULL WING

64

LQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

22

NO

16

5

FLATPACK, LOW PROFILE

QFP64,.63SQ,32

4.5 V

85 Cel

ST9

-40 Cel

YES

QUAD

YES

1.6 mm

131072

14 mm

8

5 MHz

NOT SPECIFIED

NOT SPECIFIED

14 mm

4096

HCMOS

60 mA

5 V

YES

Microcontrollers

FLASH

.8 mm

S-PQFP-G64

Not Qualified

24 rpm

77

UPSD3454EB40T6T

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

262144

10 mm

0

40 MHz

NOT SPECIFIED

NOT SPECIFIED

10 mm

32768

CMOS

5 V

YES

Microcontrollers

FLASH

.65 mm

S-PQFP-G52

Not Qualified

40 rpm

35

SPC58NE80E7NMHAY

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

120 rpm

144

SPC58NE84E7XMHAY

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

180 rpm

144

SPC58NE84E7NMCAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

120 rpm

144

SPC58NE80E7XMHAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

180 rpm

144

SPC56EC6L7B9E0X

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

5.5 V

0

32

FLATPACK, LOW PROFILE

4.5 V

YES

QUAD

YES

14 mm

0

40 MHz

14 mm

5 V

YES

.5 mm

120 rpm

147

SPC58NE84E7XMHAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

180 rpm

144

SPC58NE84E7XMCAY

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

180 rpm

144

SPC58NE84E7NMSAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

120 rpm

144

SPC58EE80E7XMSAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

180 rpm

144

SPC56EC4L7B9E0X

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

5.5 V

0

32

FLATPACK, LOW PROFILE

4.5 V

YES

QUAD

YES

10 mm

0

40 MHz

10 mm

5 V

YES

.5 mm

120 rpm

147

SPC58EE84E7NMSAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

120 rpm

144

SPC56EC4L7C8E0X

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

5.5 V

0

32

FLATPACK, LOW PROFILE

4.5 V

YES

QUAD

YES

10 mm

0

40 MHz

10 mm

5 V

YES

.5 mm

80 rpm

147

SPC58EE80E7XMCAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

180 rpm

144

SPC58EE84E7XMSAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

180 rpm

144

SPC58NE84E7XMSAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

180 rpm

144

SPC56EC4L7B8E0X

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

5.5 V

0

32

FLATPACK, LOW PROFILE

4.5 V

YES

QUAD

YES

10 mm

0

40 MHz

10 mm

5 V

YES

.5 mm

80 rpm

147

SPC58NE84E7NMHAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

120 rpm

144

SPC58EE80E7NMSAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

120 rpm

144

SPC58EE84E7XMSAY

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

180 rpm

144

SPC56EC6L7B8E0X

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

5.5 V

0

32

FLATPACK, LOW PROFILE

4.5 V

YES

QUAD

YES

14 mm

0

40 MHz

14 mm

5 V

YES

.5 mm

80 rpm

147

SPC58NE80E7XMSAY

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

180 rpm

144

SPC58NE80E7NMCAR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

176

LQFP

SQUARE

YES

1.26 V

0

32

FLATPACK

1.14 V

YES

QUAD

YES

24 mm

0

40 MHz

24 mm

1.2 V

NO

.5 mm

120 rpm

144

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.