MILITARY Microcontrollers 317

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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

5962-9056406XX

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

5.5 V

MIL-STD-883

16

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

NO

DUAL

NO

8

16 MHz

CMOS

5 V

YES

OTPROM

R-CDIP-T40

Not Qualified

16 rpm

32

8506403QA

NXP Semiconductors

MICROCONTROLLER

MILITARY

40

CERAMIC, METAL-SEALED COFIRED

5.5 V

16

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

NO

DUAL

NO

8

16 MHz

CMOS

5 V

NO

OTPROM

16 rpm

32

87C751-16/BLAOT

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

24

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

11

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

NO

DUAL

NO

5.08 mm

7.62 mm

8

16 MHz

CMOS

22 mA

NO

OTPROM

2.54 mm

R-GDIP-T24

Not Qualified

16 rpm

19

87C654/BMA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

WQCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

16

NO

8

CHIP CARRIER, WINDOW

4.5 V

125 Cel

-55 Cel

NO

QUAD

NO

4.83 mm

16.4465 mm

8

12 MHz

16.4465 mm

CMOS

35 mA

NO

OTPROM

1.27 mm

S-CQCC-J44

Not Qualified

32

S87C752-6N28

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

5.5 V

8

11

NO

8

5

IN-LINE

DIP28,.6

4.5 V

125 Cel

8051

2

-55 Cel

YES

DUAL

NO

5.08 mm

2048

64

15.24 mm

I2C SERIAL BUS INTERFACE

NO

8

12 MHz

36.51 mm

2

64

CMOS

20 mA

5 V

0

YES

1

Microcontrollers

OTPROM

2.54 mm

FIXED POINT

R-PDIP-T28

1

Not Qualified

12 rpm

YES

8

21

5962-9156603MLA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

24

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

MIL-STD-883

11

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

TIN LEAD

NO

DUAL

NO

8

12 MHz

CMOS

5 V

NO

UVPROM

R-GDIP-T24

Not Qualified

12 rpm

e0

19

5962-8506401MYX

NXP Semiconductors

MICROCONTROLLER

MILITARY

FLAT

52

DFP

RECTANGULAR

UNSPECIFIED

YES

6 V

MIL-STD-883

16

NO

8

FLATPACK

4 V

125 Cel

-55 Cel

TIN LEAD

NO

DUAL

NO

2.54 mm

16.255 mm

8

12 MHz

CMOS

5 V

NO

MROM

1.27 mm

R-XDFP-F52

Not Qualified

12 rpm

e0

32

5962-8506404MQX

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

6 V

MIL-STD-883

24

NO

8

IN-LINE

4 V

125 Cel

-55 Cel

NO

DUAL

NO

16

12 MHz

CMOS

5 V

YES

MROM

R-GDIP-T40

Not Qualified

12 rpm

32

5962-8506402MXA

NXP Semiconductors

MICROCONTROLLER

MILITARY

NO LEAD

44

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6 V

MIL-STD-883

16

NO

8

CHIP CARRIER

4 V

125 Cel

-55 Cel

TIN LEAD

NO

QUAD

NO

8

12 MHz

CMOS

5 V

NO

MROM

S-CQCC-N44

Not Qualified

12 rpm

e0

32

5962-8506404MXA

NXP Semiconductors

MICROCONTROLLER

MILITARY

NO LEAD

44

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6 V

MIL-STD-883

16

NO

8

CHIP CARRIER

4 V

125 Cel

-55 Cel

TIN LEAD

NO

QUAD

NO

8

16 MHz

CMOS

5 V

NO

MROM

S-CQCC-N44

Not Qualified

16 rpm

e0

32

87C451/BMAOT

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

68

WQCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

16

NO

8

CHIP CARRIER, WINDOW

4.5 V

125 Cel

-55 Cel

NO

QUAD

NO

4.826 mm

24.2316 mm

8

12 MHz

24.2316 mm

CMOS

30 mA

NO

OTPROM

1.27 mm

S-CQCC-J68

Not Qualified

52

87C52/BMA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

WQCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

16

NO

8

CHIP CARRIER, WINDOW

4.5 V

125 Cel

-55 Cel

NO

QUAD

NO

4.83 mm

16.4465 mm

8

12 MHz

16.4465 mm

CMOS

35 mA

NO

OTPROM

1.27 mm

S-CQCC-J44

Not Qualified

32

5962-9157601MQA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

MIL-STD-883

16

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

TIN LEAD

NO

DUAL

NO

5.715 mm

15.24 mm

8

12 MHz

CMOS

35 mA

5 V

NO

OTPROM

2.54 mm

R-GDIP-T40

Not Qualified

12 rpm

e0

32

5962-9056404MX

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

WQCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

16

NO

8

CHIP CARRIER, WINDOW

4.5 V

125 Cel

-55 Cel

NO

QUAD

NO

4.83 mm

16.4465 mm

8

16 MHz

16.4465 mm

CMOS

NO

OTPROM

1.27 mm

S-CQCC-J44

Not Qualified

32

5962-9157601MMA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

SQUARE

CERAMIC, GLASS-SEALED

YES

5.5 V

MIL-STD-883

16

NO

8

CHIP CARRIER

4.5 V

125 Cel

-55 Cel

TIN LEAD

NO

QUAD

NO

4.83 mm

16.4465 mm

8

12 MHz

16.4465 mm

CMOS

35 mA

5 V

NO

OTPROM

1.27 mm

S-GQCC-J44

Not Qualified

12 rpm

e0

32

5962-8768402MQA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

5.5 V

MIL-STD-883

16

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

TIN LEAD

NO

DUAL

NO

8

16 MHz

CMOS

5 V

NO

OTPROM

R-CDIP-T40

Not Qualified

16 rpm

e0

32

5962-8506403MQX

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

6 V

MIL-STD-883

16

NO

8

IN-LINE

4 V

125 Cel

-55 Cel

TIN LEAD

NO

DUAL

NO

8

16 MHz

CMOS

5 V

NO

MROM

R-GDIP-T40

Not Qualified

16 rpm

e0

32

87C528/BQA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

16

NO

8

IN-LINE, WINDOW

4.5 V

125 Cel

-55 Cel

TIN/NICKEL PALLADIUM GOLD

NO

DUAL

NO

5.715 mm

15.24 mm

8

16 MHz

CMOS

39 mA

NO

OTPROM

2.54 mm

R-GDIP-T40

Not Qualified

16 rpm

e3/e4

32

5962-9156601MLX

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

24

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

MIL-STD-883

11

NO

8

IN-LINE, WINDOW

4.5 V

125 Cel

-55 Cel

NO

DUAL

NO

5.08 mm

7.62 mm

8

12 MHz

CMOS

NO

OTPROM

2.54 mm

R-GDIP-T24

Not Qualified

19

5962-9233302MMA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

68

QCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

MIL-STD-883

16

NO

8

CHIP CARRIER

4.5 V

125 Cel

-55 Cel

TIN LEAD

YES

QUAD

NO

8

12 MHz

CMOS

5 V

YES

OTPROM

S-CQCC-J68

Not Qualified

12 rpm

e0

48

5962-8768401MUX

NXP Semiconductors

MICROCONTROLLER

MILITARY

NO LEAD

44

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

16

NO

8

CHIP CARRIER

4.5 V

125 Cel

-55 Cel

NO

QUAD

NO

8

12 MHz

CMOS

5 V

NO

OTPROM

S-CQCC-N44

Not Qualified

12 rpm

32

80C31BH/BUA-T

NXP Semiconductors

MICROCONTROLLER

MILITARY

NO LEAD

44

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

16

NO

8

CHIP CARRIER

125 Cel

-55 Cel

NO

QUAD

NO

2.29 mm

16.51 mm

8

12 MHz

16.51 mm

CMOS

NO

1.27 mm

S-CQCC-N44

Not Qualified

32

5962-9157603MMX

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

SQUARE

CERAMIC, GLASS-SEALED

YES

5.5 V

16

NO

8

CHIP CARRIER

4.5 V

125 Cel

-55 Cel

NO

QUAD

NO

8

12 MHz

CMOS

5 V

NO

OTPROM

S-GQCC-J44

Not Qualified

12 rpm

32

5962-9157602MMX

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

WQCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

MIL-STD-883

16

NO

8

CHIP CARRIER, WINDOW

4.5 V

125 Cel

-55 Cel

NO

QUAD

NO

4.83 mm

16.4465 mm

8

16 MHz

16.4465 mm

CMOS

NO

OTPROM

1.27 mm

S-CQCC-J44

Not Qualified

32

87C752/BXA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

11

NO

8

IN-LINE, WINDOW

4.5 V

125 Cel

-55 Cel

YES

DUAL

NO

5.8928 mm

15.24 mm

8

12 MHz

CMOS

21 mA

YES

OTPROM

2.54 mm

R-GDIP-T28

Not Qualified

21

5962-9169702MXA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

6 V

MIL-STD-883

16

NO

8

IN-LINE

4 V

125 Cel

-55 Cel

TIN LEAD

NO

DUAL

NO

8

16 MHz

CMOS

5 V

NO

OTPROM

R-CDIP-T40

Not Qualified

16 rpm

e0

32

5962-8506402NVA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

6 V

MIL-PRF-38535 Class N

16

NO

8

CHIP CARRIER

4 V

125 Cel

-55 Cel

TIN LEAD

NO

QUAD

NO

8

12 MHz

CMOS

5 V

NO

MROM

R-PQCC-J44

Not Qualified

12 rpm

e0

32

5962-8972601MMX

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

68

QCCJ

SQUARE

UNSPECIFIED

YES

5.5 V

MIL-STD-883

16

NO

8

CHIP CARRIER

4.5 V

125 Cel

-55 Cel

NO

QUAD

NO

8

12 MHz

CMOS

5 V

NO

OTPROM

S-XQCC-J68

Not Qualified

12 rpm

38

5962-8506401MXX

NXP Semiconductors

MICROCONTROLLER

MILITARY

NO LEAD

44

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

6 V

MIL-STD-883

16

NO

8

CHIP CARRIER

4 V

125 Cel

-55 Cel

TIN LEAD

NO

QUAD

NO

8

12 MHz

CMOS

5 V

NO

MROM

S-CQCC-N44

Not Qualified

12 rpm

e0

32

5962-9157702MXX

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

MIL-STD-883

11

NO

8

IN-LINE, WINDOW

4.5 V

125 Cel

-55 Cel

YES

DUAL

NO

5.8928 mm

15.24 mm

8

16 MHz

CMOS

YES

OTPROM

2.54 mm

R-GDIP-T28

Not Qualified

21

5962-9056404QX

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

16

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

TIN/NICKEL PALLADIUM GOLD

NO

DUAL

NO

5.715 mm

15.24 mm

8

16 MHz

CMOS

NO

OTPROM

2.54 mm

R-GDIP-T40

Not Qualified

e3/e4

32

87C451/BMA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

68

WQCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

16

NO

8

CHIP CARRIER, WINDOW

4.5 V

125 Cel

-55 Cel

NO

QUAD

NO

4.25 mm

24.13 mm

8

12 MHz

24.13 mm

CMOS

30 mA

NO

OTPROM

1.27 mm

S-CQCC-J68

Not Qualified

52

8506404XA

NXP Semiconductors

MICROCONTROLLER

MILITARY

40

CERAMIC, METAL-SEALED COFIRED

5.5 V

16

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

NO

DUAL

NO

8

16 MHz

CMOS

5 V

NO

OTPROM

16 rpm

32

5962-8768402QX

NXP Semiconductors

MICROCONTROLLER

MILITARY

40

CERAMIC, METAL-SEALED COFIRED

5.5 V

16

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

TIN LEAD

NO

DUAL

NO

8

16 MHz

CMOS

5 V

NO

OTPROM

Not Qualified

16 rpm

e0

32

5962-9056403QA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

16

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

TIN LEAD

NO

DUAL

NO

5.715 mm

15.24 mm

8

12 MHz

CMOS

35 mA

NO

OTPROM

2.54 mm

R-GDIP-T40

Not Qualified

e0

32

5962-8972601MMA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

68

QCCJ

SQUARE

UNSPECIFIED

YES

5.5 V

MIL-STD-883

16

NO

8

CHIP CARRIER

4.5 V

125 Cel

-55 Cel

TIN LEAD

NO

QUAD

NO

8

12 MHz

CMOS

5 V

NO

OTPROM

S-XQCC-J68

Not Qualified

12 rpm

e0

38

5962-8506402NUA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6 V

MIL-PRF-38535 Class N

16

NO

8

IN-LINE

4 V

125 Cel

-55 Cel

TIN LEAD

NO

DUAL

NO

8

12 MHz

CMOS

5 V

NO

MROM

R-PDIP-T40

Not Qualified

12 rpm

e0

32

5962-9157603MUA

NXP Semiconductors

MICROCONTROLLER

MILITARY

NO LEAD

44

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

MIL-STD-883

16

NO

8

CHIP CARRIER

4.5 V

125 Cel

-55 Cel

TIN LEAD

NO

QUAD

NO

8

12 MHz

CMOS

5 V

NO

OTPROM

S-CQCC-N44

Not Qualified

12 rpm

e0

32

5962-9156602M3A

NXP Semiconductors

MICROCONTROLLER

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

MIL-STD-883

11

NO

8

CHIP CARRIER

4.5 V

125 Cel

-55 Cel

TIN LEAD

NO

QUAD

NO

8

12 MHz

CMOS

5 V

NO

OTPROM

S-CQCC-N28

Not Qualified

12 rpm

e0

19

5962-8506403NUX

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

6 V

MIL-PRF-38535 Class N

16

NO

8

IN-LINE

4 V

125 Cel

-55 Cel

TIN LEAD

NO

DUAL

NO

8

16 MHz

CMOS

5 V

NO

MROM

R-PDIP-T40

Not Qualified

16 rpm

e0

32

5962-9157701MXA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

MIL-STD-883

11

NO

8

IN-LINE, WINDOW

4.5 V

125 Cel

-55 Cel

TIN LEAD

YES

DUAL

NO

5.8928 mm

15.24 mm

8

12 MHz

CMOS

21 mA

YES

OTPROM

2.54 mm

R-GDIP-T28

Not Qualified

e0

21

87C51FC-16/BMA-T

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

SQUARE

CERAMIC, GLASS-SEALED

YES

16

NO

8

CHIP CARRIER

125 Cel

-55 Cel

NO

QUAD

NO

8

16 MHz

CMOS

5 V

YES

OTPROM

S-GQCC-J44

Not Qualified

32

5962-9156603MLX

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

24

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

MIL-STD-883

11

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

NO

DUAL

NO

8

12 MHz

CMOS

5 V

NO

UVPROM

R-GDIP-T24

Not Qualified

12 rpm

19

80C52/BQA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

16

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

NO

DUAL

NO

5.715 mm

15.24 mm

8

12 MHz

CMOS

35 mA

NO

MROM

2.54 mm

R-GDIP-T40

Not Qualified

32

5962-9056405MA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

MIL-STD-883

16

NO

8

CHIP CARRIER

4.5 V

125 Cel

-55 Cel

NO

QUAD

NO

8

12 MHz

CMOS

5 V

YES

OTPROM

S-CQCC-J44

Not Qualified

12 rpm

32

5962-9156603M3A

NXP Semiconductors

MICROCONTROLLER

MILITARY

NO LEAD

28

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

MIL-STD-883

11

NO

8

CHIP CARRIER

4.5 V

125 Cel

-55 Cel

TIN LEAD

NO

QUAD

NO

8

16 MHz

CMOS

5 V

NO

OTPROM

S-CQCC-N28

Not Qualified

16 rpm

e0

19

5962-9056405XA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

5.5 V

MIL-STD-883

16

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

NO

DUAL

NO

8

12 MHz

CMOS

5 V

YES

OTPROM

R-CDIP-T40

Not Qualified

12 rpm

32

8506401XA

NXP Semiconductors

MICROCONTROLLER

MILITARY

40

CERAMIC, METAL-SEALED COFIRED

5.5 V

16

NO

8

IN-LINE

4.5 V

125 Cel

-55 Cel

NO

DUAL

NO

8

16 MHz

CMOS

5 V

NO

OTPROM

16 rpm

32

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.