20 Microcontrollers 459

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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

PIC32MM0032GPL020T-I/SS

Microchip Technology

MICROCONTROLLER, RISC

INDUSTRIAL

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3.6 V

8

TS 16949

0

YES

32

SMALL OUTLINE, SHRINK PITCH

SSOP20,.3

2 V

85 Cel

PIC32

5

-40 Cel

YES

DUAL

NO

1-Ch 5-Bit

2 mm

32768

5.3 mm

0

ADC ALSO AVAILABLE WITH 10-BIT

YES

BOR, COMPARATOR(2), POR, PWM(8), RTCC, TIMER(3), WDT

0

25 MHz

7.2 mm

3

8192

CMOS

11-Ch 12-Bit

9.2 mA

3.3 V

YES

2

SPI(2), UART(2)

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

25 rpm

YES

8

16

PIC32MM0064GPL020-I/ML

Microchip Technology

MICROCONTROLLER, RISC

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

PLASTIC/EPOXY

NO

YES

3.6 V

8

TS 16949

0

YES

32

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC20,.16SQ,20

2 V

85 Cel

PIC32

5

-40 Cel

YES

QUAD

NO

1-Ch 5-Bit

1 mm

65536

4 mm

0

ADC ALSO AVAILABLE WITH 10-BIT

YES

BOR, COMPARATOR(2), POR, PWM(8), RTCC, TIMER(3), WDT

0

25 MHz

4 mm

3

8192

CMOS

11-Ch 12-Bit

9.2 mA

3.3 V

YES

2

SPI(2), UART(2)

FLASH

.5 mm

FIXED POINT

S-PQCC-N20

25 rpm

YES

8

16

MC9S08SH4MTJR,534

NXP Semiconductors

MICROCONTROLLER

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

0

NO

8

SMALL OUTLINE

2.7 V

YES

DUAL

NO

7.5 mm

0

38.4 MHz

12.8 mm

CMOS

3 V

YES

1.27 mm

R-PDSO-G20

40 rpm

18

PIC16F18346T-I/ML

Microchip Technology

MICROCONTROLLER, RISC

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

PLASTIC/EPOXY

NO

YES

5.5 V

8

0

YES

8

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC20,.16SQ,20

2.5 V

85 Cel

PIC16

1

-40 Cel

MATTE TIN

YES

QUAD

NO

1-Ch 5-Bit

1 mm

16384

2048

4 mm

256

OPERATES AT 2.3 V MINIMUM SUPPLY AT 16 MHz

NO

BOR, COMPARATOR(2), CCP(4), CLC(4), CWG(2), POR, PWM(2), TIMER(9), WDT

0

32 MHz

4 mm

9

2048

CMOS

17-Ch 10-Bit

2.9 mA

3 V

YES

1

EUSART, I2C(2), SPI(2)

FLASH

.5 mm

FIXED POINT

S-PQCC-N20

32 rpm

YES

e3

14

18

PIC16F18344T-E/SSVAO

Microchip Technology

MICROCONTROLLER, RISC

AUTOMOTIVE

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

AEC-Q100; TS 16949

0

YES

8

SMALL OUTLINE, SHRINK PITCH

SSOP20,.3

2.5 V

125 Cel

PIC16

1

-40 Cel

MATTE TIN

YES

DUAL

NO

1-Ch 5-Bit

2 mm

4096

5.3 mm

256

IT ALSO OPERATES AT 16MHZ AT 2.3V MIN SUPPLY

NO

BOR, COMPARATOR(2), CLC, CWG, POR, PWM(2), TIMER(7), WDT

0

32 MHz

7.2 mm

7

512

CMOS

17-Ch 10-Bit

3.2 mA

3 V

0

YES

1

I2C(2), SPI(2), USART

FLASH

.65 mm

R-PDSO-G20

32 rpm

YES

e3

14

18

PIC16F15345T-E/SSVAO

Microchip Technology

MICROCONTROLLER, RISC

AUTOMOTIVE

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

AEC-Q100; TS 16949

0

YES

8

SMALL OUTLINE, SHRINK PITCH

SSOP20,.3

2.5 V

125 Cel

PIC16

1

-40 Cel

YES

DUAL

NO

1-Ch 5-Bit

2 mm

8192

5.3 mm

224

IT ALSO OPERATES AT 2.3V MINIMUM SUPPLY AT 16 MHZ

NO

BOD, BOR, COMPARATOR(2), POR, PWM(4), RTC, TIMER(3), WDT

0

32 MHz

7.2 mm

3

1024

CMOS

17-Ch 10-Bit

3.6 mA

3 V

YES

2

EUSART(2), I2C

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

32 rpm

YES

14

18

PIC18F16Q41-E/SO

Microchip Technology

MICROCONTROLLER, RISC

AUTOMOTIVE

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

0

YES

8

SMALL OUTLINE

SOP20,.4

1.8 V

125 Cel

PIC18

3

-40 Cel

Matte Tin (Sn)

YES

DUAL

YES

2-Ch 8-Bit

2.65 mm

65536

4096

7.5 mm

512

NO

BOD, COMPARATOR(2), CRC, DMA(4), POR, PWM(3), TIMER(8), WDT

0

64 MHz

12.8 mm

8

4096

CMOS

17-Ch 12-Bit

13.8 mA

3 V

4

YES

3

I2C, SPI(2), UART(3)

FLASH

1.27 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

e3

8

18

S9S12GN16BMTJ

NXP Semiconductors

MICROCONTROLLER

AUTOMOTIVE

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

0

NO

16

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

3.13 V

125 Cel

MC9S12G

-40 Cel

TIN

YES

DUAL

NO

1.2 mm

4.4 mm

NO

0

16 MHz

40

260

6.5 mm

6

CMOS

60 mA

5 V

YES

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

3

25 rpm

YES

e3

8

14

STM32G031F6P6TR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3.6 V

8

0

NO

32

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

1.7 V

85 Cel

CORTEX-M0

-40 Cel

YES

DUAL

YES

1.2 mm

32768

4.4 mm

0

NO

BOR, DMA(5), POR, RTC, TIMER(9), WDT(2)

0

48 MHz

6.5 mm

9

8192

CMOS

14-Ch 12-Bit

6.9 mA

1.8 V

5

YES

3

I2C(2), LPUART, SPI(2), USART(2)

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

8

18

STM32G031F8P6TR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3.6 V

8

0

NO

32

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

1.7 V

85 Cel

CORTEX-M0

-40 Cel

YES

DUAL

YES

1.2 mm

65536

4.4 mm

0

NO

BOR, DMA(5), POR, RTC, TIMER(9), WDT(2)

0

48 MHz

6.5 mm

9

8192

CMOS

14-Ch 12-Bit

6.9 mA

1.8 V

5

YES

3

I2C(2), LPUART, SPI(2), USART(2)

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

8

18

STM32G031F8P3

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3.6 V

8

0

NO

32

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

1.7 V

125 Cel

CORTEX-M0

-40 Cel

YES

DUAL

YES

1.2 mm

65536

4.4 mm

0

NO

BOR, DMA(5), POR, RTC, TIMER(9), WDT(2)

0

48 MHz

6.5 mm

9

8192

CMOS

14-Ch 12-Bit

7.6 mA

1.8 V

5

YES

3

I2C(2), LPUART, SPI(2), USART(2)

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

8

18

STM32G031F8P3TR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3.6 V

8

0

NO

32

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

1.7 V

125 Cel

CORTEX-M0

-40 Cel

YES

DUAL

YES

1.2 mm

65536

4.4 mm

0

NO

BOR, DMA(5), POR, RTC, TIMER(9), WDT(2)

0

48 MHz

6.5 mm

9

8192

CMOS

14-Ch 12-Bit

7.6 mA

1.8 V

5

YES

3

I2C(2), LPUART, SPI(2), USART(2)

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

8

18

STM32G031F4P3

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3.6 V

8

0

NO

32

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

1.7 V

125 Cel

CORTEX-M0

-40 Cel

YES

DUAL

YES

1.2 mm

16384

4.4 mm

0

NO

BOR, DMA(5), POR, RTC, TIMER(9), WDT(2)

0

48 MHz

6.5 mm

9

8192

CMOS

14-Ch 12-Bit

7.6 mA

1.8 V

5

YES

3

I2C(2), LPUART, SPI(2), USART(2)

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

8

18

STM32G031F6P7

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3.6 V

8

0

NO

32

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

1.7 V

105 Cel

CORTEX-M0

-40 Cel

YES

DUAL

YES

1.2 mm

32768

4.4 mm

0

NO

BOR, DMA(5), POR, RTC, TIMER(9), WDT(2)

0

48 MHz

6.5 mm

9

8192

CMOS

14-Ch 12-Bit

7.6 mA

1.8 V

5

YES

3

I2C(2), LPUART, SPI(2), USART(2)

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

8

18

STM32G031F6P7TR

STMicroelectronics

MICROCONTROLLER, RISC

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3.6 V

8

0

NO

32

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

1.7 V

105 Cel

CORTEX-M0

-40 Cel

YES

DUAL

YES

1.2 mm

32768

4.4 mm

0

NO

BOR, DMA(5), POR, RTC, TIMER(9), WDT(2)

0

48 MHz

6.5 mm

9

8192

CMOS

14-Ch 12-Bit

7.6 mA

1.8 V

5

YES

3

I2C(2), LPUART, SPI(2), USART(2)

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

8

18

PIC16F15245-I/P

Microchip Technology

MICROCONTROLLER, RISC

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

5.5 V

8

NO

8

IN-LINE

DIP20,.3

2.5 V

85 Cel

PIC16

1

-40 Cel

Matte Tin (Sn)

YES

DUAL

NO

5.334 mm

14336

7.62 mm

OPERATES AT 1.8V MINIMUM SUPPLY AT 16MHZ

NO

BOR, POR, PWM(2), TIMER(4), WDT

32 MHz

26.162 mm

4

1024

CMOS

12-Ch 10-Bit

3.6 mA

3 V

YES

1

EUSART, I2C, SPI

FLASH

2.54 mm

FIXED POINT

R-PDIP-T20

32 rpm

YES

e3

8

18

PIC18F16Q40-E/SO

Microchip Technology

MICROCONTROLLER, RISC

AUTOMOTIVE

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

0

YES

8

SMALL OUTLINE

SOP20,.4

1.8 V

125 Cel

PIC18

3

-40 Cel

YES

DUAL

YES

2-Ch 8-Bit

2.65 mm

65536

7.5 mm

512

NO

BOR, COMPARATOR(2), DMA(4), POR, PWM(3), TIMER(8), WDT

0

64 MHz

12.8 mm

8

4096

CMOS

17-Ch 12-Bit

13.8 mA

3 V

4

YES

3

I2C, SPI(2), UART(3)

FLASH

1.27 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

8

18

PIC18F16Q40-E/P

Microchip Technology

MICROCONTROLLER, RISC

AUTOMOTIVE

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

5.5 V

8

0

YES

8

IN-LINE

DIP20,.3

1.8 V

125 Cel

PIC18

3

-40 Cel

YES

DUAL

YES

2-Ch 8-Bit

5.334 mm

65536

7.62 mm

512

NO

BOR, COMPARATOR(2), DMA(4), POR, PWM(3), TIMER(8), WDT

0

64 MHz

26.162 mm

8

4096

CMOS

17-Ch 12-Bit

13.8 mA

3 V

4

YES

3

I2C, SPI(2), UART(3)

FLASH

2.54 mm

FIXED POINT

R-PDIP-T20

64 rpm

YES

8

18

PIC16F15244-E/SS

Microchip Technology

MICROCONTROLLER, RISC

AUTOMOTIVE

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

NO

8

SMALL OUTLINE, SHRINK PITCH

SSOP20,.3

2.5 V

125 Cel

PIC16

1

-40 Cel

YES

DUAL

NO

2 mm

7168

5.3 mm

OPERATES AT 1.8V MIN @ 16 MHZ

NO

BOR, POR, PWM(2), TIMER(4), WDT

32 MHz

7.2 mm

4

512

CMOS

12-Ch 10-Bit

3.6 mA

3 V

YES

1

EUSART, I2C, SPI

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

32 rpm

YES

8

18

PIC18F14Q40-E/REB

Microchip Technology

MICROCONTROLLER, RISC

AUTOMOTIVE

NO LEAD

20

HVQCCN

SQUARE

PLASTIC/EPOXY

NO

YES

5.5 V

8

0

YES

8

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC20,.12SQ,16

1.8 V

125 Cel

PIC18

3

-40 Cel

Matte Tin (Sn)

YES

QUAD

YES

2-Ch 8-Bit

.9 mm

16384

3 mm

512

NO

BOR, CCP, CLC(4), COMPARATOR(2), CRC, DMA(4), POR, PWM(3), TIMER(8), WDT

0

64 MHz

3 mm

8

1024

CMOS

17-Ch 12-Bit

13.8 mA

3 V

4

YES

1

I2C, SPI(2), UART(3)

FLASH

.4 mm

FIXED POINT

S-PQCC-N20

64 rpm

YES

e3

8

18

PIC18F14Q40-I/SS

Microchip Technology

MICROCONTROLLER, RISC

INDUSTRIAL

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

0

YES

8

SMALL OUTLINE, SHRINK PITCH

SSOP20,.3

1.8 V

85 Cel

PIC18

3

-40 Cel

Matte Tin (Sn)

YES

DUAL

YES

2-Ch 8-Bit

2 mm

16384

5.3 mm

512

NO

BOR, CCP, CLC(4), COMPARATOR(2), CRC, DMA(4), POR, PWM(3), TIMER(8), WDT

0

64 MHz

7.2 mm

8

1024

CMOS

17-Ch 12-Bit

13.8 mA

3 V

4

YES

1

I2C, SPI(2), UART(3)

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

e3

8

18

PIC16F18146-I/P

Microchip Technology

MICROCONTROLLER, RISC

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

5.5 V

8

YES

8

IN-LINE

DIP20,.3

2.5 V

85 Cel

PIC16

1

-40 Cel

YES

DUAL

NO

2-Ch 8-Bit

5.334 mm

28672

7.62 mm

256

ALSO OPERATES 1.8V MIN SUPPLY @ 16 MHZ

NO

BOR, COMPARATOR(2), POR, PWM(2), TIMER(6), WDT

32 MHz

26.162 mm

6

2048

CMOS

17-Ch 12-Bit

5.5 mA

3 V

YES

2

EUSART(2), I2C(2), SPI(2)

FLASH

2.54 mm

FIXED POINT

R-PDIP-T20

32 rpm

YES

8

18

STM32G061F6P6

STMicroelectronics

MICROCONTROLLER, RISC

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3.6 V

8

0

YES

32

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

1.7 V

85 Cel

Cortex-M0+

18

-40 Cel

YES

DUAL

YES

2 Ch 12-Bit

1.2 mm

32768

4.4 mm

0

NO

BOR, COMPARATOR(2), DMA(7), POR, PDR, PVD, RTC, TIMER(12), WDT(2)

0

48 MHz

6.5 mm

12

18432

CMOS

16-Ch 12-Bit

7.3 mA

3 V

7

YES

3

I2C(2), I2S, LPUART, SPI(2), USART(2)

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

8

18

STM32G061F8P6

STMicroelectronics

MICROCONTROLLER, RISC

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

3.6 V

8

0

YES

32

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

1.7 V

85 Cel

Cortex-M0+

18

-40 Cel

YES

DUAL

YES

2 Ch 12-Bit

1.2 mm

65536

4.4 mm

0

NO

BOR, COMPARATOR(2), DMA(7), POR, PDR, PVD, RTC, TIMER(12), WDT(2)

0

48 MHz

6.5 mm

12

18432

CMOS

16-Ch 12-Bit

7.3 mA

3 V

7

YES

3

I2C(2), I2S, LPUART, SPI(2), USART(2)

FLASH

.65 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

8

18

ATTINY3226-SF

Microchip Technology

MICROCONTROLLER, RISC

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

0

NO

8

SMALL OUTLINE

SOP20,.4

4.5 V

125 Cel

AVR

18

-40 Cel

YES

DUAL

NO

2.65 mm

32768

7.5 mm

256

OPERATES AT 2.7 V MINIMUM SUPPLY @ 8 MHZ

NO

ANALOG COMPARATOR, BOD, CCL(4), CRC, POR, PWM, RTC, TIMER(3), WWDT

0

20 MHz

12.8 mm

3

3072

CMOS

15-Ch 12-Bit

5 V

YES

1

I2C, SPI, TWI, USART(2)

FLASH

1.27 mm

FIXED POINT

R-PDSO-G20

16 rpm

YES

8

18

ATTINY3226-SUR

Microchip Technology

MICROCONTROLLER, RISC

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

0

NO

8

SMALL OUTLINE

SOP20,.4

4.5 V

85 Cel

AVR

18

-40 Cel

YES

DUAL

NO

2.65 mm

32768

7.5 mm

256

OPERATES AT 1.8V MIN SUPPLY @ 5 MHZ

NO

ANALOG COMPARATOR, BOD, CCL(4), CRC, POR, PWM, RTC, TIMER(3), WWDT

0

20 MHz

12.8 mm

3

3072

CMOS

15-Ch 12-Bit

5 V

YES

1

I2C, SPI, TWI, USART(2)

FLASH

1.27 mm

FIXED POINT

R-PDSO-G20

20 rpm

YES

8

18

PIC18F14Q41-E/SO

Microchip Technology

MICROCONTROLLER, RISC

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

5.5 V

8

0

YES

8

SMALL OUTLINE

SOP20,.4

1.8 V

125 Cel

PIC18

3

-40 Cel

YES

DUAL

YES

2-Ch 8-Bit

2.65 mm

16384

7.5 mm

512

NO

BOR, DMA(4), POR, PWM(3), TIMER(8), WDT

0

64 MHz

12.8 mm

8

1024

CMOS

17-Ch 12-Bit

50 mA

3 V

4

YES

3

I2C, SPI(2), UART(3)

FLASH

1.27 mm

FIXED POINT

R-PDSO-G20

64 rpm

YES

8

18

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.