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ARM Cortex M4 Core Embedded Processors & Controllers

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Results: 3,017

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Core = ARM Cortex M4

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Part #

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

STM32L431KBU3
STMicroelectronics
1: $4.17
4,731In Stock

Mfr. Part No.
STM32L431KBU3

Mouser Part No
511-STM32L431KBU3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

Learn More

Datasheet

4,731In Stock

$4.17

$3.16

$2.91

$2.63

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-32

ARM Cortex M4

32 bit

80 MHz

128 kB

64 kB

12 bit

26 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

STM32L431KBU6
STMicroelectronics
1: $3.69
3,611In Stock

Mfr. Part No.
STM32L431KBU6

Mouser Part No
511-STM32L431KBU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

Learn More

Datasheet

3,611In Stock

$3.69

$2.78

$2.56

$2.31

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-32

ARM Cortex M4

32 bit

80 MHz

128 kB

64 kB

12 bit

26 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

STM32L431KBU6TR
STMicroelectronics
1: $3.76
5,053In Stock

Mfr. Part No.
STM32L431KBU6TR

Mouser Part No
511-STM32L431KBU6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

Learn More

Datasheet

5,053In Stock

Cut Tape

$3.76

$2.84

$2.61

$2.36

Reel

$2.02

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-32

ARM Cortex M4

32 bit

80 MHz

128 kB

64 kB

12 bit

26 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

STM32L431KCU6
STMicroelectronics
1: $3.94
1,267In Stock
2,940Expected 04/05/2026

Mfr. Part No.
STM32L431KCU6

Mouser Part No
511-STM32L431KCU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

Learn More

Datasheet

1,267In Stock

2,940Expected 04/05/2026

$3.94

$3.10

$2.88

$2.64

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-32

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

26 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

STM32L431RCT6
STMicroelectronics
1: $5.05
1,606In Stock
2,880On Order

Mfr. Part No.
STM32L431RCT6

Mouser Part No
511-STM32L431RCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

Learn More

Datasheet

1,606In Stock

2,880On Order

$5.05

$3.86

$3.56

$3.23

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

52 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

STM32L431RCT6TR
STMicroelectronics
1: $4.98
4,357In Stock

Mfr. Part No.
STM32L431RCT6TR

Mouser Part No
511-STM32L431RCT6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

Datasheet

4,357In Stock

Cut Tape

$4.98

$3.80

$3.50

$3.18

Reel

$2.84

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

52 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

STM32L431VCT6
STMicroelectronics
1: $5.36
2,128In Stock

Mfr. Part No.
STM32L431VCT6

Mouser Part No
511-STM32L431VCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash

Learn More

Datasheet

2,128In Stock

$5.36

$3.89

$3.60

$3.42

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

83 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash

STM32L432KBU6
STMicroelectronics
1: $4.19
2,726In Stock

Mfr. Part No.
STM32L432KBU6

Mouser Part No
511-STM32L432KBU6

STMicroelectronics

ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash

Learn More

Datasheet

2,726In Stock

$4.19

$3.18

$2.92

$2.64

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-32

ARM Cortex M4

32 bit

80 MHz

128 kB

64 kB

12 bit

26 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , USB

STM32L432KCU3
STMicroelectronics
1: $5.43
1,554In Stock

Mfr. Part No.
STM32L432KCU3

Mouser Part No
511-STM32L432KCU3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , USB

Learn More

Datasheet

1,554In Stock

$5.43

$4.15

$3.83

$3.48

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-32

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

26 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD

STM32L433CBT6
STMicroelectronics
1: $3.21
1,653In Stock

Mfr. Part No.
STM32L433CBT6

Mouser Part No
511-STM32L433CBT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD

Learn More

Datasheet

1,653In Stock

$3.21

$2.61

$2.44

$2.36

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M4

32 bit

80 MHz

128 kB

64 kB

12 bit

38 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD

STM32L433CBU6
STMicroelectronics
1: $4.34
1,560In Stock
6,240On Order

Mfr. Part No.
STM32L433CBU6

Mouser Part No
511-STM32L433CBU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD

Learn More

Datasheet

1,560In Stock

6,240On Order

$4.34

$3.29

$3.03

$2.74

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-48

ARM Cortex M4

32 bit

80 MHz

128 kB

64 kB

12 bit

38 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCT3
STMicroelectronics
1: $5.76
2,908In Stock

Mfr. Part No.
STM32L433CCT3

Mouser Part No
511-STM32L433CCT3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

2,908In Stock

$5.76

$4.42

$4.08

$3.71

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

38 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCT6
STMicroelectronics
1: $5.17
1,672In Stock

Mfr. Part No.
STM32L433CCT6

Mouser Part No
511-STM32L433CCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

1,672In Stock

$5.17

$3.95

$3.64

$3.31

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

38 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCU3
STMicroelectronics
1: $4.83
2,406In Stock

Mfr. Part No.
STM32L433CCU3

Mouser Part No
511-STM32L433CCU3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

2,406In Stock

$4.83

$3.70

$3.42

$3.11

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFN-48

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

38 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433CCU6
STMicroelectronics
1: $4.60
3,328In Stock

Mfr. Part No.
STM32L433CCU6

Mouser Part No
511-STM32L433CCU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

3,328In Stock

$4.60

$3.51

$3.24

$2.94

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-48

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

38 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD

STM32L433RBT6
STMicroelectronics
1: $4.89
868In Stock

Mfr. Part No.
STM32L433RBT6

Mouser Part No
511-STM32L433RBT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD

Learn More

Datasheet

868In Stock

$4.89

$3.72

$3.43

$3.08

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

80 MHz

128 kB

64 kB

12 bit

52 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433RCT3
STMicroelectronics
1: $6.36
606In Stock

Mfr. Part No.
STM32L433RCT3

Mouser Part No
511-STM32L433RCT3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

606In Stock

$6.36

$4.89

$4.52

$4.12

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

52 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433RCT6TR
STMicroelectronics
1: $5.50
696In Stock

Mfr. Part No.
STM32L433RCT6TR

Mouser Part No
511-STM32L433RCT6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

696In Stock

Cut Tape

$5.50

$4.21

$3.88

$3.53

Reel

$2.84

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

52 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433VCT6
STMicroelectronics
1: $6.20
978In Stock

Mfr. Part No.
STM32L433VCT6

Mouser Part No
511-STM32L433VCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

978In Stock

$6.20

$4.42

$4.06

$3.84

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

83 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

STM32L433VCT6TR
STMicroelectronics
1: $6.26
1,099In Stock

Mfr. Part No.
STM32L433VCT6TR

Mouser Part No
511-STM32L433VCT6TR

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB

Learn More

Datasheet

1,099In Stock

Cut Tape

$6.26

$4.81

$4.45

$4.05

Reel

$3.63

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

83 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB, AES-256, D

STM32L442KCU6
STMicroelectronics
1: $4.42
530In Stock

Mfr. Part No.
STM32L442KCU6

Mouser Part No
511-STM32L442KCU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB, AES-256, D

Learn More

Datasheet

530In Stock

$4.42

$3.37

$3.11

$2.83

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFN-32

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

26 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2

STM32L443CCT6
STMicroelectronics
1: $7.10
861In Stock

Mfr. Part No.
STM32L443CCT6

Mouser Part No
511-STM32L443CCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2

Learn More

Datasheet

861In Stock

$7.10

$5.28

$4.91

$4.32

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

38 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2

STM32L443CCU6
STMicroelectronics
1: $6.88
1,403In Stock

Mfr. Part No.
STM32L443CCU6

Mouser Part No
511-STM32L443CCU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2

Learn More

Datasheet

1,403In Stock

$6.88

$5.11

$4.76

$4.19

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFN-48

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

38 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2

STM32L443RCT6
STMicroelectronics
1: $5.83
3,183In Stock

Mfr. Part No.
STM32L443RCT6

Mouser Part No
511-STM32L443RCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2

Learn More

Datasheet

3,183In Stock

$5.83

$4.47

$4.13

$3.76

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

80 MHz

256 kB

64 kB

12 bit

52 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM

STM32L451CCU3
STMicroelectronics
1: $5.72
2,590In Stock

Mfr. Part No.
STM32L451CCU3

Mouser Part No
511-STM32L451CCU3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash , DFSDM

Learn More

Datasheet

2,590In Stock

$5.72

$4.38

$4.05

$3.68

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFN-48

ARM Cortex M4

32 bit

80 MHz

256 kB

160 kB

12 bit

38 I/O

- 40 C

+ 125 C

Tray

ARM Cortex M4 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

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AQFN-73
BGA-100
BGA-112
BGA-120
BGA-121
BGA-124
BGA-125
BGA-144
BGA-146
BGA-152
BGA-168
BGA-169
BGA-176
BGA-192
BGA-196
BGA-212
BGA-216
BGA-224
BGA-256
BGA-64

32.768 kHz
1 MHz
5 MHz
20 MHz
25 MHz
32 MHz
39 MHz
40 MHz
48 MHz
50 MHz
64 MHz
72 MHz
80 MHz
84 MHz
96 MHz
100 MHz
112 MHz
120 MHz
144 MHz
150 MHz

0 B
6 kB
8 kB, 1 MB
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32 kB, 1 MB
64 kB
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192 kB
220 kB, 512 kB
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64 kbit
65 kB
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88 kB
96 kB
112 kB

2 x 12 bit
2 x 16 bit
2 x 6 bit/8 bit/10 bit/12 bit
3 x 12 bit
4 x 12 bit
4 x 16 bit
4 x 6 bit/8 bit/10 bit/12 bit
5 x 12 bit
6 bit/8 bit/10 bit/12 bit
8 bit
8 bit, 10 bit
8 bit, 10 bit, 12 bit
10 bit
10 bit, 12 bit
10 bit, 13 bit
12 bit
12 bit, 14 bit
12 bit, 3 x 16 bit
14 bit
16 bit

9 I/O
10 I/O
14 I/O
15 I/O
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33 I/O