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8051 microcontroller Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

EFM8LB11F16E-C-QFP32R
Silicon Labs
1: £3.03
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB11F16E-C-QFP32R

Mouser Part No
634-LB11F16ECQFP32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Cut Tape

£3.03

£2.01

£1.83

£1.55

Reel

£1.31

View

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFP-32

CIP-51 8051

16 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

28 I/O

1.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F32A-D-5QFN32
Silicon Labs
1,533: £1.60
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F32A-D-5QFN32

Mouser Part No
634-EF8BB31F32AD5F32

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

£1.60

£1.56

£1.55

Min.: 1,533
Mult.: 1,533

SMD/SMT

QFN-32

CIP-51 8051

32 kB

8 bit

10 bit, 12 bit

50 MHz

29 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F16A-D-4QFN24R
Silicon Labs
1,500: £1.36
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F16A-D-4QFN24R

Mouser Part No
634-EF8BB31F16AD424R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

£1.36

£1.35

Min.: 1,500
Mult.: 1,500

: 1,500

SMD/SMT

QFN-24

CIP-51 8051

16 kB

8 bit

10 bit, 12 bit

50 MHz

20 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Reel

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64A-D-5QFN32
Silicon Labs
1,533: £1.80
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F64A-D-5QFN32

Mouser Part No
634-EF8BB31F64AD5F32

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

£1.80

£1.77

Min.: 1,533
Mult.: 1,533

SMD/SMT

QFN-32

CIP-51 8051

64 kB

8 bit

10 bit, 12 bit

50 MHz

29 I/O

4.35 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F16I-D-5QFN32R
Silicon Labs
1: £2.23
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F16I-D-5QFN32R

Mouser Part No
634-EF8BB31F16ID532R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

£2.23

£1.45

£1.33

£1.14

Reel

£0.803

View

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-32

CIP-51 8051

16 kB

8 bit

10 bit, 12 bit

50 MHz

29 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

EFM8LB10F16E-C-QFP32R
Silicon Labs
1: £2.88
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB10F16E-C-QFP32R

Mouser Part No
634-LB10F16ECQFP32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Cut Tape

£2.88

£1.96

£1.81

£1.57

Reel

£1.22

View

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFP-32

CIP-51 8051

16 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

28 I/O

1.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

EFM8LB10F16E-C-QFN32R
Silicon Labs
2,500: £0.89
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB10F16E-C-QFN32R

Mouser Part No
634-LB10F16ECQFN32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

£0.89

£0.882

Min.: 2,500
Mult.: 2,500

: 2,500

SMD/SMT

QFN-32

CIP-51 8051

16 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

29 I/O

1.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Reel

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

EFM8LB11F16E-C-QFN32
Silicon Labs
2,450: £0.96
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB11F16E-C-QFN32

Mouser Part No
634-LB11F16ECQFN32

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

£0.96

Min.: 2,450
Mult.: 2,450

SMD/SMT

QFN-32

CIP-51 8051

16 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

29 I/O

1.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64A-D-5QFN32R
Silicon Labs
1,500: £1.75
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F64A-D-5QFN32R

Mouser Part No
634-EF8BB31F64AD532R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

£1.75

Min.: 1,500
Mult.: 1,500

: 1,500

SMD/SMT

QFN-32

CIP-51 8051

64 kB

8 bit

10 bit, 12 bit

50 MHz

29 I/O

4.35 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Reel

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F32G-D-QFP32
Silicon Labs
1,250: £1.05
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F32G-D-QFP32

Mouser Part No
634-EF8BB31F32GDQP32

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

£1.05

£1.03

£1.01

Min.: 1,250
Mult.: 1,250

SMD/SMT

QFP-32

CIP-51 8051

32 kB

8 bit

10 bit, 12 bit

50 MHz

28 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

EFM8SB10F8A-A-QFN20
Silicon Labs
1: £2.22
Non-Stocked Lead-Time 20 Weeks
End of Life

Mfr. Part No.
EFM8SB10F8A-A-QFN20

Mouser Part No
634-FM8SB10F8AAQFN20

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

£2.22

£1.85

£1.81

£1.75

View

Min.: 1
Mult.: 1

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB22F16I-C-QFN28R
Silicon Labs
1,500: £0.943
Non-Stocked Lead-Time 31 Weeks

Mfr. Part No.
EFM8BB22F16I-C-QFN28R

Mouser Part No
634-8BB22F16ICQFN28R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 31 Weeks

Reel

£0.943

Min.: 1,500
Mult.: 1,500

: 1,500

SMD/SMT

QFN-28

CIP-51 8051

16 kB

8 bit

12 bit

50 MHz

22 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Reel

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F32A-D-5QFN32R
Silicon Labs
1,500: £1.55
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F32A-D-5QFN32R

Mouser Part No
634-EF8BB31F32AD532R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

£1.55

Min.: 1,500
Mult.: 1,500

: 1,500

SMD/SMT

QFN-32

CIP-51 8051

32 kB

8 bit

10 bit, 12 bit

50 MHz

29 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Reel

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F16A-D-4QFN24
Silicon Labs
1,911: £1.36
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F16A-D-4QFN24

Mouser Part No
634-EF8BB31F16AD4F24

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

£1.36

£1.35

Min.: 1,911
Mult.: 1,911

SMD/SMT

QFN-24

CIP-51 8051

16 kB

8 bit

10 bit, 12 bit

50 MHz

20 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64I-D-QFN24
Silicon Labs
1: £2.94
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
EFM8BB31F64I-D-QFN24

Mouser Part No
634-EF8BB31F64IDQF24

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

£2.94

£1.95

£1.77

£1.50

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

CIP-51 8051

64 kB

8 bit

10 bit, 12 bit

50 MHz

20 I/O

4.35 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F32E-C-QFN32
Silicon Labs
2,450: £1.22
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB12F32E-C-QFN32

Mouser Part No
634-LB12F32ECQFN32

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

£1.22

Min.: 2,450
Mult.: 2,450

SMD/SMT

QFN-32

CIP-51 8051

32 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

29 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

EFM8LB11F32E-C-QFP32
Silicon Labs
1,250: £1.35
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB11F32E-C-QFP32

Mouser Part No
634-LB11F32ECQFP32

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

£1.35

£1.33

£1.32

Min.: 1,250
Mult.: 1,250

SMD/SMT

QFP-32

CIP-51 8051

32 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

28 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

EFM8LB10F16E-C-QFN24R
Silicon Labs
1,500: £0.856
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB10F16E-C-QFN24R

Mouser Part No
634-LB10F16ECQFN24R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

£0.856

£0.849

Min.: 1,500
Mult.: 1,500

: 1,500

SMD/SMT

QFN-24

CIP-51 8051

16 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

20 I/O

1.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Reel

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

EFM8LB11F32E-C-QFN32
Silicon Labs
2,450: £1.13
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB11F32E-C-QFN32

Mouser Part No
634-LB11F32ECQFN32

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

£1.13

Min.: 2,450
Mult.: 2,450

SMD/SMT

QFN-32

CIP-51 8051

32 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

29 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F32E-C-QFN32R
Silicon Labs
2,500: £1.22
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB12F32E-C-QFN32R

Mouser Part No
634-LB12F32ECQFN32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

£1.22

Min.: 2,500
Mult.: 2,500

: 2,500

SMD/SMT

QFN-32

CIP-51 8051

32 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

29 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Reel

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F32E-C-QFP32R
Silicon Labs
500: £1.58
Non-Stocked Lead-Time 20 Weeks

Mfr. Part No.
EFM8LB12F32E-C-QFP32R

Mouser Part No
634-LB12F32ECQFP32R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 20 Weeks

Reel

£1.58

£1.48

£1.45

£1.43

Min.: 500
Mult.: 500

: 500

SMD/SMT

QFP-32

CIP-51 8051

32 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

28 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Reel

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

EFM8UB20F64G-B-QFP48
Silicon Labs
1: £3.28
Lead-Time 31 Weeks
End of Life

Mfr. Part No.
EFM8UB20F64G-B-QFP48

Mouser Part No
634-EFM8UBF64GBQFP48

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

Datasheet

Lead-Time 31 Weeks

£3.28

£2.74

£2.40

£2.28

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-48

CIP-51 8051

64 kB

8 bit

10 bit

48 MHz

40 I/O

4.25 kB

3.3 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F16G-D-QFP32R
Silicon Labs
1: £2.39
Non-Stocked Lead-Time 30 Weeks
End of Life

Mfr. Part No.
EFM8BB31F16G-D-QFP32R

Mouser Part No
634-EF8BB31F16GDP32R

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

Cut Tape

£2.39

£1.56

£1.43

£1.23

£1.15

Reel

£0.986

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFP-32

CIP-51 8051

16 kB

8 bit

10 bit, 12 bit

50 MHz

28 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F16I-D-QFN24R
Silicon Labs
1: £2.14
Non-Stocked Lead-Time 29 Weeks
End of Life

Mfr. Part No.
EFM8BB31F16I-D-QFN24R

Mouser Part No
634-EF8BB31F16IDF24R

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 29 Weeks

Cut Tape

£2.14

£1.39

£1.26

£1.06

View

Reel

£0.796

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

CIP-51 8051

16 kB

8 bit

10 bit, 12 bit

50 MHz

20 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

C8051F390-A-GMR
Silicon Labs
1: £4.15
1,497Expected 12/11/2026

Mfr. Part No.
C8051F390-A-GMR

Mouser Part No
634-C8051F390-A-GMR

Silicon Labs

8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24

Datasheet

1,497Expected 12/11/2026

Cut Tape

£4.15

£2.85

£2.65

£2.33

View

Reel

£1.71

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

8051

16 kB

8 bit

10 bit

50 MHz

21 I/O

1 kB

1.8 V

3.6 V

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

8051 microcontroller Microcontrollers - MCU

Types of Microcontrollers - MCU

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Company

Resources

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CSP-16
DFN-10
LQFP-32
LQFP-80
PDIP-14
PDIP-20
PDIP-40
PLCC-44
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32
QFN-40
QFN-48
QFN-68
QFP-32

6 I/O
8 I/O
9 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
24 I/O
25 I/O
28 I/O
29 I/O
31 I/O
32 I/O
33 I/O

128 B
256 B
512 B
768 B
1 kB
1.25 kB
1.28 kB
1.54 kB
2 kB
2.25 kB
2.3 kB
2.31 kB
3.25 kB
4 kB
4.25 kB
4.35 kB
8 kB
8.25 kB
16 kB
32 kB