EFM8 Family EFM8BB Series Microcontrollers 8-bit Microcontrollers

With 16-bit CRC engine

The Busy Bee family of EFM8 Microcontrollers (MCUs) includes general purpose MCUs that operate at up to 50 MHz. These MCUs offer high-value by integrating advanced analog and communication peripherals into small packages, making them ideal for space constrained applications.

  • C8051 Core, Clocked Upto 50MHz
  • FLASH: Upto 16KB, RAM: Upto 2304B
  • Interfaces: Upto 2x UART, SPI , SMBus/ I2C
  • Upto 20 Channel, 12-Bit ADC
  • Upto 22 GPIO
  • 5x 16Bit Timers
  • 3-channel PWM / PCA with special hardware kill/safe state capability
  • 2x low-current analog comparators
  • 16-Bit CRC Engine
  • Applications: Motor control, Consumer electronics, Sensor controllers, Medical equipment
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EFM8BB10F8G-A-QSOP24R
EFM8BB10F8G-A-QSOP24R - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 24 Pins, QSOP

3387020

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 24 Pins, QSOP

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1+ ¥253.94 (¥279.33) 10+ ¥227.29 (¥250.02) 50+ ¥202.21 (¥222.43) 100+ ¥141.71 (¥155.88) 250+ ¥129.80 (¥142.78) 500+ ¥117.88 (¥129.67) 1000+ ¥93.05 (¥102.36) 2500+ ¥89.09 (¥98.00) More Pricing...

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EFM8 Family EFM8BB Series Microcontrollers 8051 25MHz 8KB 24Pins QSOP 18I/O's I2C, SMBus, SPI, UART 512Byte 16Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB AEC-Q100
EFM8BB10F2G-A-QFN20
EFM8BB10F2G-A-QFN20 - 8 Bit MCU, Busy Bee, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 2 KB, 20 Pins, QFN

2468077

8 Bit MCU, Busy Bee, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 2 KB, 20 Pins, QFN

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EFM8 Family EFM8BB Series Microcontrollers 8051 25MHz 2KB 20Pins QFN 16I/O's I2C, SPI, UART 256Byte 12Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB AEC-Q100
EFM8BB31F16I-D-QFN32R
EFM8BB31F16I-D-QFN32R - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 49 MHz, 16 KB, 32 Pins, QFN

3856052

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 49 MHz, 16 KB, 32 Pins, QFN

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2500+ ¥144.37 (¥158.81) 7500+ ¥142.18 (¥156.40)

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EFM8 Family EFM8BB Series Microcontrollers 8051 49MHz 16KB 32Pins QFN 29I/O's I2C, SPI, UART 2.25KB 20Channels 12Bit 2.2V 3.6V -40°C 125°C Surface Mount EFM8 EFM8BB -
EFM8BB10F8A-A-QFN20
EFM8BB10F8A-A-QFN20 - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

3605200

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

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EFM8 Family EFM8BB Series Microcontrollers 8051 25MHz 8KB 20Pins QFN 16I/O's I2C, SMBus, SPI, UART 512Byte 15Channels 12Bit 2.2V 3.6V -40°C 125°C Surface Mount EFM8 EFM8BB AEC-Q100
EFM8BB10F2G-A-QFN20R
EFM8BB10F2G-A-QFN20R - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 2 KB, 20 Pins, QFN

3105954

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 2 KB, 20 Pins, QFN

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EFM8 Family EFM8BB Series Microcontrollers 8051 25MHz 2KB 20Pins QFN 16I/O's I2C, SMBus, SPI, UART 256Byte 15Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB -
EFM8BB21F16G-C-QFN20R
EFM8BB21F16G-C-QFN20R - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 16 KB, 20 Pins, QFN

3105956

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 16 KB, 20 Pins, QFN

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EFM8 Family EFM8BB Series Microcontrollers 8051 50MHz 16KB 20Pins QFN 16I/O's I2C, SMBus, SPI, UART 2.25KB 15Channels 12Bit 2.2V 3.3V -40°C 85°C Surface Mount EFM8 EFM8BB -
EFM8BB10F8G-A-SOIC16R
EFM8BB10F8G-A-SOIC16R - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 16 Pins, SOIC

3105959

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 16 Pins, SOIC

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EFM8 Family EFM8BB Series Microcontrollers 8051 25MHz 8KB 16Pins SOIC 13I/O's I2C, SMBus, SPI, UART 512Byte 12Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB -
EFM8BB10F8I-A-QFN20
EFM8BB10F8I-A-QFN20 - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

2614230

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

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EFM8 Family EFM8BB Series Microcontrollers 8051 25MHz 8KB 20Pins QFN 16I/O's I2C, SPI, UART 512Byte 15Channels 12Bit 2.2V 3.6V -40°C 125°C Surface Mount EFM8 EFM8BB -
EFM8BB22F16I-C-QFN28
EFM8BB22F16I-C-QFN28 - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 16 KB, 28 Pins, QFN

2614235

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 16 KB, 28 Pins, QFN

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1+ ¥354.26 (¥389.69) 10+ ¥318.21 (¥350.03) 50+ ¥286.86 (¥315.55) 100+ ¥255.51 (¥281.06) 250+ ¥239.83 (¥263.81) 500+ ¥210.05 (¥231.06) 1000+ ¥174.00 (¥191.40) 2500+ ¥160.39 (¥176.43) More Pricing...

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EFM8 Family EFM8BB Series Microcontrollers 8051 50MHz 16KB 28Pins QFN 22I/O's I2C, SPI, UART 2.25KB 20Channels 12Bit 2.2V 3.6V -40°C 125°C Surface Mount EFM8 EFM8BB -
EFM8BB10F8G-A-QFN20
EFM8BB10F8G-A-QFN20 - 8 Bit MCU, Busy Bee, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

2468079

8 Bit MCU, Busy Bee, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

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1+ ¥206.91 (¥227.60) 10+ ¥186.54 (¥205.19) 50+ ¥166.09 (¥182.70) 100+ ¥145.63 (¥160.19) 250+ ¥132.93 (¥146.22) 500+ ¥120.23 (¥132.25) 1000+ ¥94.84 (¥104.32) 2500+ ¥88.57 (¥97.43) More Pricing...

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EFM8 Family EFM8BB Series Microcontrollers 8051 25MHz 8KB 20Pins QFN 16I/O's I2C, SPI, UART 512Byte 15Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB AEC-Q100
EFM8BB31F64G-D-QFN24
EFM8BB31F64G-D-QFN24 - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 64 KB, 24 Pins, QFN

3625375

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 64 KB, 24 Pins, QFN

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EFM8 Family EFM8BB Series Microcontrollers 8051 50MHz 64KB 24Pins QFN 20I/O's I2C, SMBus, SPI, UART 4.25KB 12Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB -
EFM8BB31F64G-D-QFP32
EFM8BB31F64G-D-QFP32 - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 64 KB, 32 Pins, QFP

3625377

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 64 KB, 32 Pins, QFP

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EFM8 Family EFM8BB Series Microcontrollers 8051 50MHz 64KB 32Pins QFP 28I/O's I2C, SMBus, SPI, UART 4.25KB 20Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB -
EFM8BB31F64G-D-QSOP24
EFM8BB31F64G-D-QSOP24 - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 64 KB, 24 Pins, QSOP

3625378

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 64 KB, 24 Pins, QSOP

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EFM8 Family EFM8BB Series Microcontrollers 8051 50MHz 64KB 24Pins QSOP 21I/O's I2C, SMBus, SPI, UART 4.25KB 13Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB -
EFM8BB10F8G-A-QSOP24
EFM8BB10F8G-A-QSOP24 - 8 Bit MCU, Busy Bee, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 24 Pins, QSOP

2468080

8 Bit MCU, Busy Bee, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 24 Pins, QSOP

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EFM8 Family EFM8BB Series Microcontrollers 8051 25MHz 8KB 24Pins QSOP 18I/O's I2C, SPI, UART 512Byte 16Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB AEC-Q100
EFM8BB10F8G-A-SOIC16
EFM8BB10F8G-A-SOIC16 - 8 Bit MCU, Busy Bee, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 16 Pins, SOIC

2468081

8 Bit MCU, Busy Bee, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 16 Pins, SOIC

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EFM8 Family EFM8BB Series Microcontrollers 8051 25MHz 8KB 16Pins SOIC 13I/O's I2C, SPI, UART 512Byte 12Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB AEC-Q100
EFM8BB10F8G-A-QFN20R
EFM8BB10F8G-A-QFN20R - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

3105953

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 8 KB, 20 Pins, QFN

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EFM8 Family EFM8BB Series Microcontrollers 8051 25MHz 8KB 20Pins QFN 16I/O's I2C, SMBus, SPI, UART 512Byte 15Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB -
EFM8BB21F16A-C-QFN20
EFM8BB21F16A-C-QFN20 - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 16 KB, 20 Pins, QFN

3605205

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 16 KB, 20 Pins, QFN

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EFM8 Family EFM8BB Series Microcontrollers 8051 50MHz 16KB 20Pins QFN 16I/O's I2C, SMBus, SPI, UART 2.25KB 15Channels 12Bit 2.2V 3.6V -40°C 125°C Surface Mount EFM8 EFM8BB AEC-Q100
EFM8BB22F16G-C-QFN28
EFM8BB22F16G-C-QFN28 - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 16 KB, 28 Pins, QFN

2930481

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 16 KB, 28 Pins, QFN

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EFM8 Family EFM8BB Series Microcontrollers 8051 50MHz 16KB 28Pins QFN 22I/O's I2C, SMBus, SPI, UART 2.25KB 20Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8BB -
EFM8BB10F2A-A-QFN20
EFM8BB10F2A-A-QFN20 - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 2 KB, 20 Pins, QFN

3605194

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 25 MHz, 2 KB, 20 Pins, QFN

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1+ ¥540.98 (¥595.08) 10+ ¥304.87 (¥335.36) 50+ ¥274.57 (¥302.03) 100+ ¥244.27 (¥268.70) 250+ ¥214.55 (¥236.01) 500+ ¥203.42 (¥223.76) 1000+ ¥192.36 (¥211.60) 2500+ ¥181.50 (¥199.65) More Pricing...

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EFM8 Family EFM8BB Series Microcontrollers 8051 25MHz 2KB 20Pins QFN 16I/O's I2C, SMBus, SPI, UART 256Byte 15Channels 12Bit 2.2V 3.6V -40°C 125°C Surface Mount EFM8 EFM8BB AEC-Q100
EFM8BB21F16I-C-QSOP24
EFM8BB21F16I-C-QSOP24 - 8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 16 KB, 24 Pins, QSOP

2614234

8 Bit MCU, EFM8 Family EFM8BB Series Microcontrollers, 8051, 50 MHz, 16 KB, 24 Pins, QSOP

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EFM8 Family EFM8BB Series Microcontrollers 8051 50MHz 16KB 24Pins QSOP 21I/O's I2C, SPI, UART 2.25KB 20Channels 12Bit 2.2V 3.6V -40°C 125°C Surface Mount EFM8 EFM8BB -