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ARM Microcontrollers - MCU

ARM Microcontrollers (MCUs) are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many ARM MCU manufacturers including Infineon, Microchip, NXP, STMicroelectronics, Texas Instruments & more. Please view our large selection of ARM MCUs below.
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Please view our selection of ARM MCU’s below.

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Part #

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS

STM32U3B5CIU6
STMicroelectronics
1: £7.11
100In Stock
New Product

Mfr. Part No.
STM32U3B5CIU6

Mouser Part No
511-STM32U3B5CIU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS

Learn More

Datasheet

100In Stock

£7.11

£5.33

£5.08

£4.41

View

Min.: 1
Mult.: 1

STM32U3

UFQFPN-48

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU MCU RA0L1 ARM CM23 32MHz 64K/16K HWQFN32

R7FA0L1074CNH#UA0
Renesas Electronics
1: £2.12
465In Stock
New Product

Mfr. Part No.
R7FA0L1074CNH#UA0

Mouser Part No
968-R7FA0L1074CNHUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA0L1 ARM CM23 32MHz 64K/16K HWQFN32

Learn More

Datasheet

465In Stock

£2.12

£1.37

£1.25

£1.05

View

Min.: 1
Mult.: 1

RA0L1

SMD/.SMT

HWQFN-32

ARM Cortex M23

64 kB

32 bit

12 bit

32 MHz

26 I/O

16 kB

1.6 V

5.5 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

STM32C542KCT6
STMicroelectronics
1: £2.50
200In Stock
New Product

Mfr. Part No.
STM32C542KCT6

Mouser Part No
511-STM32C542KCT6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

Learn More

Datasheet

200In Stock

£2.50

£1.63

£1.49

Min.: 1
Mult.: 1
Max.: 25

STM32C5

SMD/SMT

LQFP-32

ARM Cortex M33

256 kB

32 bit

12 bit

144 MHz

25 I/O

64 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C

STM32C551VET6
STMicroelectronics
1: £2.11
124In Stock
540Expected 02/07/2026
New Product

Mfr. Part No.
STM32C551VET6

Mouser Part No
511-STM32C551VET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C

Learn More

Datasheet

124In Stock

540Expected 02/07/2026

£2.11

£1.58

£1.31

£1.25

View

Min.: 1
Mult.: 1

STM32C5

SMD/SMT

LQFP-100

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

86 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

STM32C552KET6
STMicroelectronics
1: £1.73
197In Stock
1,500Expected 06/07/2026
New Product

Mfr. Part No.
STM32C552KET6

Mouser Part No
511-STM32C552KET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

Learn More

Datasheet

197In Stock

1,500Expected 06/07/2026

£1.73

£1.27

£1.16

Min.: 1
Mult.: 1
Max.: 25

STM32C5

SMD/SMT

LQFP-32

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

25 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

STM32C562KET6
STMicroelectronics
1: £1.87
122In Stock
1,500Expected 18/06/2026
New Product

Mfr. Part No.
STM32C562KET6

Mouser Part No
511-STM32C562KET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

Learn More

Datasheet

122In Stock

1,500Expected 18/06/2026

£1.87

£1.39

£1.27

Min.: 1
Mult.: 1
Max.: 25

STM32C5

SMD/SMT

LQFP-32

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

25 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

STM32C562VET6
STMicroelectronics
1: £2.31
110In Stock
540Expected 08/07/2026
New Product

Mfr. Part No.
STM32C562VET6

Mouser Part No
511-STM32C562VET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

Learn More

Datasheet

110In Stock

540Expected 08/07/2026

£2.31

£1.73

£1.44

Min.: 1
Mult.: 1
Max.: 50

STM32C5

SMD/SMT

LQFP-100

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

86 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto

STM32U3C5CIT6Q
STMicroelectronics
1: £7.37
99In Stock
New Product

Mfr. Part No.
STM32U3C5CIT6Q

Mouser Part No
511-STM32U3C5CIT6Q

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto

Learn More

Datasheet

99In Stock

£7.37

£5.52

£5.26

£4.57

View

Min.: 1
Mult.: 1

STM32U3

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto

STM32U3C5RIT6Q
STMicroelectronics
1: £7.49
96In Stock
New Product

Mfr. Part No.
STM32U3C5RIT6Q

Mouser Part No
511-STM32U3C5RIT6Q

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto

Learn More

Datasheet

96In Stock

£7.49

£5.79

£5.52

£4.79

View

Min.: 1
Mult.: 1

STM32U3

Tray

ARM Microcontrollers - MCU MCU RA0L1 ARM CM23 32MHz 64K/16K HWQFN48

R7FA0L1074CNE#UA0
Renesas Electronics
1: £2.30
416In Stock
New Product

Mfr. Part No.
R7FA0L1074CNE#UA0

Mouser Part No
968-R7FA0L1074CNEUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA0L1 ARM CM23 32MHz 64K/16K HWQFN48

Learn More

Datasheet

416In Stock

£2.30

£1.50

£1.37

£1.19

View

Min.: 1
Mult.: 1

RA0L1

SMD/.SMT

HWQFN-48

ARM Cortex M23

64 kB

32 bit

12 bit

32 MHz

41 I/O

16 kB

1.6 V

5.5 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU MCU RA0L1 ARM CM23 32MHz 64K/16K HWQFN24

R7FA0L1074CNK#UA0
Renesas Electronics
1: £2.02
490In Stock
New Product

Mfr. Part No.
R7FA0L1074CNK#UA0

Mouser Part No
968-R7FA0L1074CNKUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA0L1 ARM CM23 32MHz 64K/16K HWQFN24

Learn More

Datasheet

490In Stock

£2.02

£1.32

£1.20

£1.00

View

Min.: 1
Mult.: 1

RA0L1

SMD/.SMT

HWQFN-24

ARM Cortex M23

64 kB

32 bit

12 bit

32 MHz

20 I/O

16 kB

1.6 V

5.5 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS

STM32U3B5CIU6Q
STMicroelectronics
1: £7.11
100In Stock
New Product

Mfr. Part No.
STM32U3B5CIU6Q

Mouser Part No
511-STM32U3B5CIU6Q

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS

Learn More

Datasheet

100In Stock

£7.11

£5.33

£5.08

£4.41

View

Min.: 1
Mult.: 1

STM32U3

UFQFPN-48

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto

STM32U3C5RIT6
STMicroelectronics
1: £7.49
98In Stock
New Product

Mfr. Part No.
STM32U3C5RIT6

Mouser Part No
511-STM32U3C5RIT6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto

Learn More

Datasheet

98In Stock

£7.49

£5.79

£5.52

£4.79

View

Min.: 1
Mult.: 1

STM32U3

Tray

ARM Microcontrollers - MCU MCU RA0L1 ARM CM23 32MHz 32K/16K LQFP32

R7FA0L1054CFJ#UA0
Renesas Electronics
1: £1.99
250In Stock
New Product

Mfr. Part No.
R7FA0L1054CFJ#UA0

Mouser Part No
968-R7FA0L1054CFJUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA0L1 ARM CM23 32MHz 32K/16K LQFP32

Learn More

Datasheet

250In Stock

£1.99

£1.29

£1.17

£1.03

View

Min.: 1
Mult.: 1

RA0L1

SMD/.SMT

LQFP-32

ARM Cortex M23

32 kB

32 bit

12 bit

32 MHz

26 I/O

16 kB

1.6 V

5.5 V

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU MCU RA0E2 ARM CM23 32MHz 64K/16K LFQFP 64

R7FA0E2074CFM#UA0
Renesas Electronics
1: £2.22
160In Stock
New Product

Mfr. Part No.
R7FA0E2074CFM#UA0

Mouser Part No
968-R7FA0E2074CFMUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA0E2 ARM CM23 32MHz 64K/16K LFQFP 64

Learn More

Datasheet

160In Stock

£2.22

£1.44

£1.31

£1.10

View

Min.: 1
Mult.: 1

RA0E2

Tray

ARM Microcontrollers - MCU MCU RA2L2 ARM CM23 48MHz 128K/16K LQFP32

R7FA2L2094CFJ#UA0
Renesas Electronics
1: £2.67
250In Stock
New Product

Mfr. Part No.
R7FA2L2094CFJ#UA0

Mouser Part No
968-R7FA2L2094CFJUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA2L2 ARM CM23 48MHz 128K/16K LQFP32

Datasheet

250In Stock

£2.67

£1.81

£1.68

£1.53

View

Min.: 1
Mult.: 1

RA2L2

Tray

ARM Microcontrollers - MCU MCU RA2L2 ARM CM23 48MHz 128K/16K LFQFP48

R7FA2L2094CFL#UA0
Renesas Electronics
1: £2.88
250In Stock
New Product

Mfr. Part No.
R7FA2L2094CFL#UA0

Mouser Part No
968-R7FA2L2094CFLUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA2L2 ARM CM23 48MHz 128K/16K LFQFP48

Datasheet

250In Stock

£2.88

£1.96

£1.81

£1.63

View

Min.: 1
Mult.: 1

RA2L2

Tray

ARM Microcontrollers - MCU MCU RA0E2 ARM CM23 32MHz 64K/16K LQFP 32

R7FA0E2074CFJ#UA0
Renesas Electronics
1: £1.74
250In Stock
New Product

Mfr. Part No.
R7FA0E2074CFJ#UA0

Mouser Part No
968-R7FA0E2074CFJUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA0E2 ARM CM23 32MHz 64K/16K LQFP 32

Learn More

Datasheet

250In Stock

£1.74

£1.12

£0.995

£0.863

View

Min.: 1
Mult.: 1

RA0E2

Tray

ARM Microcontrollers - MCU MCU RA0E2 ARM CM23 32MHz 128K/16K HWQFN 32

R7FA0E2094CNH#UA0
Renesas Electronics
1: £2.02
Non-Stocked Lead-Time 18 Weeks
New Product

Mfr. Part No.
R7FA0E2094CNH#UA0

Mouser Part No
968-R7FA0E2094CNHUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA0E2 ARM CM23 32MHz 128K/16K HWQFN 32

Learn More

Datasheet

Non-Stocked Lead-Time 18 Weeks

£2.02

£1.32

£1.20

£1.00

View

Min.: 1
Mult.: 1

RA0E2

Tray

ARM Microcontrollers - MCU MCU RA0E2 ARM CM23 32MHz 128K/16K LFQFP 48

R7FA0E2094CFL#UA0
Renesas Electronics
1: £2.23
250In Stock
New Product

Mfr. Part No.
R7FA0E2094CFL#UA0

Mouser Part No
968-R7FA0E2094CFLUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA0E2 ARM CM23 32MHz 128K/16K LFQFP 48

Learn More

Datasheet

250In Stock

£2.23

£1.46

£1.34

£1.20

View

Min.: 1
Mult.: 1

RA0E2

Tray

ARM Microcontrollers - MCU MCU RA2L2 ARM CM23 48MHz 128K/16K HWQFN48

R7FA2L2094CNE#UA0
Renesas Electronics
1: £2.88
411In Stock
New Product

Mfr. Part No.
R7FA2L2094CNE#UA0

Mouser Part No
968-R7FA2L2094CNEUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA2L2 ARM CM23 48MHz 128K/16K HWQFN48

Learn More

Datasheet

411In Stock

£2.88

£1.96

£1.81

£1.57

View

Min.: 1
Mult.: 1

RA2L2

Tray

ARM Microcontrollers - MCU MCU RA2T1 ARM CM23 64MHz 64K/8K LQFP32

R7FA2T1074CFJ#UA0
Renesas Electronics
1: £2.24
250In Stock
New Product

Mfr. Part No.
R7FA2T1074CFJ#UA0

Mouser Part No
968-R7FA2T1074CFJUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA2T1 ARM CM23 64MHz 64K/8K LQFP32

Learn More

Datasheet

250In Stock

£2.24

£1.47

£1.33

£1.16

View

Min.: 1
Mult.: 1

RA2T1

Tray

ARM Microcontrollers - MCU MCU RA2T1 ARM CM23 64MHz 64K/8K HWQFN24

R7FA2T1074CNK#UA0
Renesas Electronics
1: £2.12
490In Stock
New Product

Mfr. Part No.
R7FA2T1074CNK#UA0

Mouser Part No
968-R7FA2T1074CNKUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA2T1 ARM CM23 64MHz 64K/8K HWQFN24

Learn More

Datasheet

490In Stock

£2.12

£1.37

£1.25

£1.05

View

Min.: 1
Mult.: 1

RA2T1

Tray

ARM Microcontrollers - MCU MCU RA2L2 ARM CM23 48MHz 128K/16K HWQFN32

R7FA2L2094CNH#UA0
Renesas Electronics
1: £2.67
490In Stock
New Product

Mfr. Part No.
R7FA2L2094CNH#UA0

Mouser Part No
968-R7FA2L2094CNHUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA2L2 ARM CM23 48MHz 128K/16K HWQFN32

Learn More

Datasheet

490In Stock

£2.67

£1.81

£1.68

£1.46

View

Min.: 1
Mult.: 1

RA2L2

Tray

ARM Microcontrollers - MCU MCU RA0E2 ARM CM23 32MHz 64K/16K LFQFP 48

R7FA0E2074CFL#UA0
Renesas Electronics
1: £1.96
250In Stock
New Product

Mfr. Part No.
R7FA0E2074CFL#UA0

Mouser Part No
968-R7FA0E2074CFLUA0

New Product

Renesas Electronics

ARM Microcontrollers - MCU MCU RA0E2 ARM CM23 32MHz 64K/16K LFQFP 48

Learn More

Datasheet

250In Stock

£1.96

£1.27

£1.15

£1.01

View

Min.: 1
Mult.: 1

RA0E2

Tray

ARM Microcontrollers - MCU

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0 B
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8 kB, 1 MB
16 kB
20 kB
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29.5 kB
32 kB
32 kB, 1 MB
35 kB
36 kB
40 kB
48 kB
52 kB
56 kB
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2 x 10 bit
2 x 10 bit, 12 bit
2 x 12 bit
2 x 12 bit, 24 bit
2 x 16 bit
2 x 6 bit/8 bit/10 bit/12 bit
3 x 12 bit
3 x 12 bit, 24 bit
3 x 16 bit
4 x 12 bit
4 x 12 bit, 16 bit
4 x 16 bit
4 x 6 bit/8 bit/10 bit/12 bit
5 x 12 bit
5 x 12 bit, 2 x 16 bit
6 bit/8 bit/10 bit/12 bit
8 bit
8 bit, 10 bit
8 bit, 10 bit, 2 x 14 bit
8 bit to 16 bit

32.768 kHz
8 MHz
10.24 MHz
12 MHz
15 MHz
16 MHz
20 MHz
21 MHz
24 MHz
25 MHz
26 MHz
30 MHz
32 MHz
32 MHz, 100 MHz
32 MHz, 64 MHz
33 MHz
33.2 MHz
36 MHz
40 MHz
40.8 MHz

5 I/O
6 I/O
8 I/O
9 I/O
10 I/O
11 I/O
12 I/O
13 I/O
14 I/O
15 I/O
16 I/O
17 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O

64
96
1 kB
2 kB
3 kB
4 kB
6 kB
8 kB
10 kB
12 kB
16 KB
16 kB
16 kBN
17 kB
18 KB
18 kB
20 kB
22 kB
24 KB
24 kB

0 V
700 mV
800 mV
900 mV
925 mV
990 mV
1 V
1.045 V
1.05 V
1.08 V
1.09 V
1.1 V
1.12 V, 1.22 V
1.14 V
1.15 V
1.17 V
1.175 V
1.188 V
1.2 V
1.225 V

1.1 V
1.15 V
1.155 V
1.2 V
1.21 V
1.21 V, 1.3 V
1.26 V
1.3 V
1.32 V
1.345 V
1.39 V
1.4 V
1.47 V
1.6 V
1.65 V
1.71 V
1.8 V
1.8 V, 3.3 V
1.85 V
1.88 V