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

5962-9056404XA

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

16

16 MHz

CMOS

5 V

YES

EEPROM

R-GDIP-T40

Not Qualified

16 rpm

e0

32

87C751/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

12 MHz

CMOS

18.5 mA

NO

OTPROM

2.54 mm

R-GDIP-T24

Not Qualified

19

80C51BH/BMA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

16

NO

8

CHIP CARRIER

125 Cel

-55 Cel

NO

QUAD

NO

4.83 mm

16.4465 mm

8

12 MHz

16.4465 mm

CMOS

NO

MROM

1.27 mm

S-CQCC-J44

Not Qualified

32

5962-8506404MYA

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

16 MHz

CMOS

5 V

NO

MROM

1.27 mm

R-XDFP-F52

Not Qualified

16 rpm

e0

32

5962-9157601MQX

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.5 V

MIL-STD-883

16

NO

8

IN-LINE, WINDOW

4.5 V

125 Cel

-55 Cel

NO

DUAL

NO

5.715 mm

15.24 mm

8

12 MHz

CMOS

NO

OTPROM

2.54 mm

R-GDIP-T40

Not Qualified

32

80C31BH/BUA

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

80C31BH/BMA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

16

NO

8

CHIP CARRIER

125 Cel

-55 Cel

NO

QUAD

NO

4.83 mm

16.4465 mm

8

12 MHz

16.4465 mm

CMOS

NO

1.27 mm

S-CQCC-J44

Not Qualified

32

5962-9157604MQA

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

8

16 MHz

CMOS

5 V

NO

OTPROM

R-GDIP-T40

Not Qualified

16 rpm

e0

32

5962-9169701MQX

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

MIL-STD-883

16

NO

8

IN-LINE

125 Cel

-55 Cel

NO

DUAL

NO

8

12 MHz

CMOS

5 V

YES

OTPROM

R-GDIP-T40

Not Qualified

32

5962-9056403QX

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

12 MHz

CMOS

NO

OTPROM

2.54 mm

R-GDIP-T40

Not Qualified

e3/e4

32

5962-8506404MXX

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

5962-8506404MQA

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

5962-8506404NVX

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

16 MHz

CMOS

5 V

NO

MROM

R-PQCC-J44

Not Qualified

16 rpm

e0

32

5962-8506402NUX

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

80C31BH/BMA-T

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

16

NO

8

CHIP CARRIER

125 Cel

-55 Cel

NO

QUAD

NO

4.83 mm

16.4465 mm

8

12 MHz

16.4465 mm

CMOS

NO

1.27 mm

S-CQCC-J44

Not Qualified

32

5962-8506403MXA

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

5962-9169702MQX

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

MIL-STD-883

16

NO

8

IN-LINE

125 Cel

-55 Cel

NO

DUAL

NO

8

16 MHz

CMOS

5 V

YES

OTPROM

R-GDIP-T40

Not Qualified

32

5962-9157701MXX

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

12 MHz

CMOS

YES

OTPROM

2.54 mm

R-GDIP-T28

Not Qualified

21

S83C752-6A28

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

28

QCCJ

SQUARE

PLASTIC/EPOXY

NO

YES

5.5 V

8

11

NO

8

5

CHIP CARRIER

LDCC28,.5SQ

4.5 V

125 Cel

8051

2

-55 Cel

YES

QUAD

NO

4.57 mm

2048

64

11.5062 mm

I2C SERIAL BUS INTERFACE

NO

8

12 MHz

11.5062 mm

2

64

CMOS

20 mA

5 V

0

YES

1

Microcontrollers

MROM

1.27 mm

FIXED POINT

S-PQCC-J28

1

Not Qualified

12 rpm

YES

8

21

80C31BH-16/BQA

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

40

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

16

NO

8

IN-LINE

125 Cel

-55 Cel

NO

DUAL

NO

5.715 mm

15.24 mm

8

16 MHz

CMOS

NO

2.54 mm

R-GDIP-T40

Not Qualified

32

5962-8506401NUA

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

5962-8506401MXA

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

87C654-16/BQAOT

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

16 MHz

CMOS

39 mA

NO

OTPROM

2.54 mm

R-GDIP-T40

Not Qualified

32

5962-8506403MMA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

SQUARE

CERAMIC, GLASS-SEALED

YES

6 V

MIL-STD-883

24

NO

8

CHIP CARRIER

4 V

125 Cel

-55 Cel

TIN LEAD

NO

QUAD

NO

16

12 MHz

CMOS

5 V

YES

MROM

S-GQCC-J44

Not Qualified

12 rpm

e0

32

87C51FC/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

12 MHz

CMOS

5 V

YES

OTPROM

S-GQCC-J44

Not Qualified

32

5962-9157603MQA

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

8

12 MHz

CMOS

5 V

NO

OTPROM

R-GDIP-T40

Not Qualified

12 rpm

e0

32

80C52-16/BMA

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

16

NO

8

CHIP CARRIER

4.5 V

125 Cel

-55 Cel

NO

QUAD

NO

4.83 mm

16.4465 mm

8

16 MHz

16.4465 mm

CMOS

39 mA

NO

MROM

1.27 mm

S-CQCC-J44

Not Qualified

32

5962-8506403MYX

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

16 MHz

CMOS

5 V

NO

MROM

1.27 mm

R-XDFP-F52

Not Qualified

16 rpm

e0

32

5962-9157604MUX

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

16 MHz

CMOS

5 V

NO

OTPROM

S-CQCC-N44

Not Qualified

16 rpm

e0

32

80C31BH-16/BMA-T

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

16

NO

8

CHIP CARRIER

125 Cel

-55 Cel

NO

QUAD

NO

4.83 mm

16.4465 mm

8

16 MHz

16.4465 mm

CMOS

NO

1.27 mm

S-CQCC-J44

Not Qualified

32

5962-8506401NVX

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

5962-9154201MMX

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

68

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

4.826 mm

24.2316 mm

8

12 MHz

24.2316 mm

CMOS

NO

OTPROM

1.27 mm

S-CQCC-J68

Not Qualified

52

87C654/BMAOT

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

5.5 V

16

NO

8

CHIP CARRIER

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

5962-8768402QA

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

5962-8768401MUA

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

5962-8506404MYX

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

16 MHz

CMOS

5 V

NO

MROM

1.27 mm

R-XDFP-F52

Not Qualified

16 rpm

e0

32

5962-9157602MUA

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

16 MHz

CMOS

5 V

NO

OTPROM

S-CQCC-N44

Not Qualified

16 rpm

e0

32

5962-8506402MYA

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

5962-9056404QA

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

16 MHz

CMOS

39 mA

NO

OTPROM

2.54 mm

R-GDIP-T40

Not Qualified

e0

32

5962-8506404NVA

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

16 MHz

CMOS

5 V

NO

MROM

R-PQCC-J44

Not Qualified

16 rpm

e0

32

5962-9157601MUX

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

5962-8768401MMX

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

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-J44

Not Qualified

12 rpm

32

80C51BH/BUA

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

MROM

1.27 mm

S-CQCC-N44

Not Qualified

32

5962-8768402MMX

NXP Semiconductors

MICROCONTROLLER

MILITARY

J BEND

44

QCCJ

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

16 MHz

CMOS

5 V

NO

OTPROM

S-CQCC-J44

Not Qualified

16 rpm

32

87C654/BQAOT

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

OTPROM

2.54 mm

R-GDIP-T40

Not Qualified

32

S83C752-6F28

NXP Semiconductors

MICROCONTROLLER

MILITARY

THROUGH-HOLE

28

WDIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

NO

6 V

8

11

NO

8

IN-LINE, WINDOW

4 V

125 Cel

2

-55 Cel

YES

DUAL

NO

5.72 mm

2048

64

15.24 mm

I2C SERIAL BUS INTERFACE; BOOLEAN PROCESSOR

NO

8

12 MHz

37.15 mm

1

CMOS

5 V

0

YES

1

MROM

2.54 mm

FIXED POINT

R-GDIP-T28

Not Qualified

12 rpm

YES

8

21

5962-8768402MQX

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

8

16 MHz

CMOS

5 V

NO

OTPROM

R-GDIP-T40

Not Qualified

16 rpm

32

5962-8506403MYA

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

16 MHz

CMOS

5 V

NO

MROM

1.27 mm

R-XDFP-F52

Not Qualified

16 rpm

e0

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.