.hide-partial { max-height: none; } .show-more { display: none; }

Silicon Labs 8-bit Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 646

Applied Filters:

Manufacturer = Silicon Labs

Core

Program Memory Size

Data RAM Size

Package/Case

Maximum Clock Frequency

ADC Resolution

Number of I/Os

Supply Voltage - Min

Supply Voltage - Max

Mounting Style

Data Bus Width

Minimum Operating Temperature

Maximum Operating Temperature

Series

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Download Table (.CSV)

Part #

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

EFM8BB31F64A-D-4QFN24
Silicon Labs
1.911: Rp35.735
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB31F64A-D-4QFN24

Mouser Part No
634-EF8BB31F64AD4F24

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 12 Weeks

Rp35.735

Rp34.684

Min.: 1.911
Mult.: 1.911

CIP-51 8051

64 kB

4.35 kB

QFN-24

50 MHz

10 bit, 12 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

Tube

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: Rp36.786
Non-Stocked Lead-Time 12 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 12 Weeks

Reel

Rp36.786

Rp36.611

Min.: 1.500
Mult.: 1.500

Reel: 1.500

CIP-51 8051

64 kB

4.35 kB

QFN-32

50 MHz

10 bit, 12 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 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: Rp39.238
Non-Stocked Lead-Time 12 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 12 Weeks

Rp39.238

Rp38.362

Min.: 1.533
Mult.: 1.533

CIP-51 8051

64 kB

4.35 kB

QFN-32

50 MHz

10 bit, 12 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 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-5QFN32R
Silicon Labs
1.500: Rp27.327
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB31F64I-D-5QFN32R

Mouser Part No
634-EF8BB31F64ID532R

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 12 Weeks

Reel

Rp27.327

Rp26.451

Min.: 1.500
Mult.: 1.500

Reel: 1.500

CIP-51 8051

64 kB

4.35 kB

QFN-32

50 MHz

10 bit, 12 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

Reel

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

EFM8BB31F64I-D-QFN24R
Silicon Labs
1.500: Rp25.400
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB31F64I-D-QFN24R

Mouser Part No
634-EF8BB31F64IDF24R

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 12 Weeks

Reel

Rp25.400

Rp24.524

Min.: 1.500
Mult.: 1.500

Reel: 1.500

CIP-51 8051

64 kB

4.35 kB

QFN-24

50 MHz

10 bit, 12 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

Reel

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

EFM8BB31F64I-D-QFN32R
Silicon Labs
1: Rp72.170
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB31F64I-D-QFN32R

Mouser Part No
634-EF8BB31F64IDN32R

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 12 Weeks

Cut Tape

Rp72.170

Rp47.821

Rp43.617

Rp36.961

View

Reel

Rp25.049

Min.: 1
Mult.: 1

Reel: 2.500

CIP-51 8051

64 kB

4.35 kB

QFN-32

50 MHz

10 bit, 12 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

Reel, Cut Tape

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

EFM8BB31F64I-D-QFP32R
Silicon Labs
500: Rp36.085
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB31F64I-D-QFP32R

Mouser Part No
634-EF8BB31F64IDP32R

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 12 Weeks

Reel

Rp36.085

Rp33.107

Rp32.056

Min.: 500
Mult.: 500

Reel: 500

CIP-51 8051

64 kB

4.35 kB

QFP-32

50 MHz

10 bit, 12 bit

28 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

Reel

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

EFM8BB31F64I-D-QFN24
Silicon Labs
2.520: Rp24.173
Non-Stocked Lead-Time 12 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 12 Weeks

Rp24.173

Rp23.998

Min.: 2.520
Mult.: 2.520

CIP-51 8051

64 kB

4.35 kB

QFN-24

50 MHz

10 bit, 12 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F16G-B-QFN24R
Silicon Labs
1.500: Rp18.218
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB20F16G-B-QFN24R

Mouser Part No
634-EFM8SB16GBQFN24R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

Rp18.218

Rp17.359

Min.: 1.500
Mult.: 1.500

Reel: 1.500

CIP-51 8051

16 kB

4.25 kB

25 MHz

10 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

Reel

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F32G-B-QFN24
Silicon Labs
1: Rp60.083
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8SB20F32G-B-QFN24

Mouser Part No
634-EFM8SBF32GBQFN24

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Rp60.083

Rp38.362

Rp26.626

Rp24.173

View

Min.: 1
Mult.: 1

CIP-51 8051

32 kB

4.25 kB

QFN-24

25 MHz

10 bit

16 I/O

1.8 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

EFM8SB

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB Flash 0.25 kB RAM 8-bit Busy Bee MCU

EFM8BB10F2A-A-QFN20
Silicon Labs
1: Rp36.085
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8BB10F2A-A-QFN20

Mouser Part No
634-FM8BB10F2AAQFN20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB Flash 0.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Rp36.085

Rp30.304

Rp28.202

Rp24.874

View

Min.: 1
Mult.: 1

CIP-51 8051

2 kB

256 B

QFN-20

25 MHz

12 bit

16 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 125 C

EFM8BB1

AEC-Q100

Tube

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: Rp19.619
Non-Stocked Lead-Time 12 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 12 Weeks

Reel

Rp19.619

Rp18.568

Min.: 1.500
Mult.: 1.500

Reel: 1.500

CIP-51 8051

16 kB

1.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel

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: Rp18.743
Non-Stocked Lead-Time 12 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 12 Weeks

Reel

Rp18.743

Min.: 2.500
Mult.: 2.500

Reel: 2.500

CIP-51 8051

16 kB

1.25 kB

QFN-32

72 MHz

10 bit/12 bit/14 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel

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: Rp67.265
Non-Stocked Lead-Time 12 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 12 Weeks

Cut Tape

Rp67.265

Rp45.544

Rp42.216

Rp36.611

Reel

Rp29.253

View

Min.: 1
Mult.: 1

Reel: 500

CIP-51 8051

16 kB

1.25 kB

QFP-32

72 MHz

10 bit/12 bit/14 bit

28 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel, Cut Tape

8-bit Microcontrollers - MCU

EFM8LB10F16ES0-C-QFN24R
Silicon Labs
1.500: Rp19.619
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8LB10F16ES0-C-QFN24R

Mouser Part No
634-LB10F16ES0CFN24R

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

Rp19.619

Rp18.568

Min.: 1.500
Mult.: 1.500

Reel: 1.500

CIP-51 8051

16 kB

1.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel

8-bit Microcontrollers - MCU

EFM8LB10F16ES0-C-QFN32R
Silicon Labs
2.500: Rp18.743
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8LB10F16ES0-C-QFN32R

Mouser Part No
634-LB10F16ES0CFN32R

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

Rp18.743

Min.: 2.500
Mult.: 2.500

Reel: 2.500

CIP-51 8051

16 kB

1.25 kB

QFN-32

72 MHz

10 bit/12 bit/14 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel

8-bit Microcontrollers - MCU

EFM8LB10F16ES0-C-QFN24
Silicon Labs
2.520: Rp18.218
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8LB10F16ES0-C-QFN24

Mouser Part No
634-LB10F16ES0CQFN24

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Rp18.218

Rp18.043

Min.: 2.520
Mult.: 2.520

CIP-51 8051

16 kB

1.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tube

8-bit Microcontrollers - MCU

EFM8LB10F16ES0-C-QFN32
Silicon Labs
2.450: Rp18.918
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8LB10F16ES0-C-QFN32

Mouser Part No
634-LB10F16ES0CQFN32

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Rp18.918

Rp18.743

Min.: 2.450
Mult.: 2.450

CIP-51 8051

16 kB

1.25 kB

QFN-32

72 MHz

10 bit/12 bit/14 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tray

8-bit Microcontrollers - MCU

EFM8LB10F16ES1-C-QFN32R
Silicon Labs
2.500: Rp18.743
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8LB10F16ES1-C-QFN32R

Mouser Part No
634-LB10F16ES1CFN32R

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

Rp18.743

Min.: 2.500
Mult.: 2.500

Reel: 2.500

CIP-51 8051

16 kB

1.25 kB

QFN-32

72 MHz

10 bit/12 bit/14 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel

8-bit Microcontrollers - MCU

EFM8LB10F16ES1-C-QFN24
Silicon Labs
2.520: Rp18.218
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8LB10F16ES1-C-QFN24

Mouser Part No
634-LB10F16ES1CQFN24

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Rp18.218

Rp18.043

Min.: 2.520
Mult.: 2.520

CIP-51 8051

16 kB

1.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tube

8-bit Microcontrollers - MCU

EFM8LB10F16ES1-C-QFN32
Silicon Labs
2.450: Rp18.918
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8LB10F16ES1-C-QFN32

Mouser Part No
634-LB10F16ES1CQFN32

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Rp18.918

Rp18.743

Min.: 2.450
Mult.: 2.450

CIP-51 8051

16 kB

1.25 kB

QFN-32

72 MHz

10 bit/12 bit/14 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tray

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

EFM8LB11F16E-C-QFN24R
Silicon Labs
1.500: Rp21.196
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8LB11F16E-C-QFN24R

Mouser Part No
634-LB11F16ECQFN24R

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 12 Weeks

Reel

Rp21.196

Rp20.145

Min.: 1.500
Mult.: 1.500

Reel: 1.500

CIP-51 8051

16 kB

1.25 kB

QFN-24

72 MHz

10 bit/12 bit/14 bit

20 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

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: Rp20.670
Non-Stocked Lead-Time 12 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 12 Weeks

Rp20.670

Rp20.320

Min.: 2.450
Mult.: 2.450

CIP-51 8051

16 kB

1.25 kB

QFN-32

72 MHz

10 bit/12 bit/14 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Tray

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

EFM8LB11F16E-C-QFN32R
Silicon Labs
2.500: Rp20.320
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
EFM8LB11F16E-C-QFN32R

Mouser Part No
634-LB11F16ECQFN32R

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 12 Weeks

Reel

Rp20.320

Min.: 2.500
Mult.: 2.500

Reel: 2.500

CIP-51 8051

16 kB

1.25 kB

QFN-32

72 MHz

10 bit/12 bit/14 bit

29 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel

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

EFM8LB11F16E-C-QFP32R
Silicon Labs
500: Rp26.976
Non-Stocked Lead-Time 12 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 12 Weeks

Reel

Rp26.976

Rp26.451

Rp25.750

Min.: 500
Mult.: 500

Reel: 500

CIP-51 8051

16 kB

1.25 kB

QFP-32

72 MHz

10 bit/12 bit/14 bit

28 I/O

2.2 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 105 C

EFM8LB1

Reel

Silicon Labs 8-bit Microcontrollers - MCU

Customer Service Office

Company

Resources

Support

CSP-16
LQFP-32
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32
QFN-40
QFN-48
QFP-32
QFP-48
QSOP-24
SOIC-14
SOIC-16
TQFP-100
TQFP-48
TQFP-64

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
20 I/O
21 I/O
22 I/O
24 I/O
25 I/O
28 I/O
29 I/O
32 I/O
33 I/O
39 I/O
40 I/O

BB50
C8051F005
C8051F015
C8051F018
C8051F019
C8051F020
C8051F021
C8051F022
C8051F023
C8051F040
C8051F041
C8051F042
C8051F043
C8051F044
C8051F045
C8051F046
C8051F047
C8051F060
C8051F061
C8051F064