EFM8 Family EFM8UB Series Microcontrollers 8-bit Microcontrollers

With Low Energy USB

The Universal Bee family of EFM8™ microcontrollers is ideal for space constrained USB applications. Universal Bee MCUs operate at up to 50 MHz and the family includes devices with a low power USB peripheral interface, charger detect circuit, 8 kV ESD protection, and enhanced high-speed communication interfaces.

  • C8051 Core, Clocked Upto 50MHz
  • FLASH: Upto 64KB, RAM: Upto 4352B
  • Interfaces: Upto 2x UART, SPI, SMBus/ I2C
  • USB charger detect circuit (USB-BCS 1.2 compliant)
  • Upto 22 GPIO
  • Connectivity: LEUSB
  • 5x 16-bit timers
  • two analog comparators
  • One 12-Bit ADC
  • Applications: USB I/O controls, dongles, High-speed communication bridge, Consumer electronics
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EFM8UB20F64G-B-QFP48
EFM8UB20F64G-B-QFP48 - 8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 64 KB, 48 Pins, QFP

2930500

8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 64 KB, 48 Pins, QFP

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EFM8 Family EFM8UB Series Microcontrollers 8051 48MHz 64KB 48Pins QFP 40I/O's I2C, SMBus, SPI, UART, USB 4.25KB 32Channels 10Bit 2.65V 3.6V -40°C 85°C Surface Mount EFM8 EFM8UB
EFM8UB10F16G-C-QFN20
EFM8UB10F16G-C-QFN20 - 8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 50 MHz, 16 KB, 20 Pins, QFN

2930497

8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 50 MHz, 16 KB, 20 Pins, QFN

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202 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)

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1+ ¥367.32 (¥404.05) 10+ ¥312.78 (¥344.06) 50+ ¥289.41 (¥318.35) 100+ ¥266.03 (¥292.63) 250+ ¥249.33 (¥274.26) 500+ ¥218.17 (¥239.99) 1000+ ¥181.44 (¥199.58) 2500+ ¥175.41 (¥192.95) More Pricing...

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EFM8 Family EFM8UB Series Microcontrollers 8051 50MHz 16KB 20Pins QFN 13I/O's I2C, SMBus, SPI, UART, USB 2.25KB 11Channels 12Bit 1.71V 3.6V -40°C 85°C Surface Mount EFM8 EFM8UB
EFM8UB20F32G-B-QFP48
EFM8UB20F32G-B-QFP48 - 8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 32 KB, 48 Pins, QFP

3105922

8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 32 KB, 48 Pins, QFP

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773 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)

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1+ ¥442.80 (¥487.08) 10+ ¥357.24 (¥392.96) 25+ ¥301.71 (¥331.88) 50+ ¥299.78 (¥329.76) 100+ ¥299.16 (¥329.08)

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EFM8 Family EFM8UB Series Microcontrollers 8051 48MHz 32KB 48Pins QFP 40I/O's I2C, SMBus, SPI, UART, USB 2.25KB 32Channels 10Bit 2.7V 3.6V -40°C 85°C Surface Mount EFM8 EFM8UB
EFM8UB10F16G-C-QFN20R
EFM8UB10F16G-C-QFN20R - 8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 50 MHz, 16 KB, 20 Pins, QFN

3105955

8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 50 MHz, 16 KB, 20 Pins, QFN

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EFM8 Family EFM8UB Series Microcontrollers 8051 50MHz 16KB 20Pins QFN 13I/O's I2C, SMBus, SPI, UART, USB 2.25KB 11Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8UB
EFM8UB20F32G-B-QFP32
EFM8UB20F32G-B-QFP32 - 8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 32 KB, 32 Pins, QFP

2748200

8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 32 KB, 32 Pins, QFP

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601 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)

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1+ ¥481.83 (¥530.01) 10+ ¥402.27 (¥442.50) 25+ ¥325.72 (¥358.29) 50+ ¥315.72 (¥347.29) 100+ ¥305.71 (¥336.28) 250+ ¥295.70 (¥325.27) 500+ ¥293.93 (¥323.32) More Pricing...

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EFM8 Family EFM8UB Series Microcontrollers 8051 48MHz 32KB 32Pins QFP 25I/O's I2C, SPI, UART, USB 2KB 20Channels 10Bit 2.65V 3.6V -40°C 85°C Surface Mount EFM8 EFM8UB
EFM8UB11F16G-C-QSOP24
EFM8UB11F16G-C-QSOP24 - 8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 50 MHz, 16 KB, 24 Pins, QSOP

2930499

8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 50 MHz, 16 KB, 24 Pins, QSOP

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1+ ¥761.06 (¥837.17) 10+ ¥665.93 (¥732.52) 25+ ¥551.77 (¥606.95) 50+ ¥494.69 (¥544.16) 100+ ¥456.64 (¥502.30) 250+ ¥426.20 (¥468.82) 500+ ¥403.37 (¥443.71) 1000+ ¥397.58 (¥437.34) More Pricing...

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EFM8 Family EFM8UB Series Microcontrollers 8051 50MHz 16KB 24Pins QSOP 17I/O's I2C, SMBus, SPI, UART, USB 2.25KB 15Channels 12Bit 1.71V 3.6V -40°C 85°C Surface Mount EFM8 EFM8UB
EFM8UB20F64G-B-QFP48R
EFM8UB20F64G-B-QFP48R - 8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 64 KB, 48 Pins, QFP

3387028

8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 64 KB, 48 Pins, QFP

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1+ ¥834.56 (¥918.02) 10+ ¥502.84 (¥553.12) 25+ ¥424.79 (¥467.27) 50+ ¥392.52 (¥431.77) 100+ ¥360.24 (¥396.26) 250+ ¥334.73 (¥368.20) 500+ ¥319.72 (¥351.69) 1000+ ¥313.64 (¥345.00) More Pricing...

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EFM8 Family EFM8UB Series Microcontrollers 8051 48MHz 64KB 48Pins QFP 40I/O's I2C, SMBus, SPI, UART, USB 4.25KB 32Channels 10Bit 2.7V 3.6V -40°C 85°C Surface Mount EFM8 EFM8UB
EFM8UB20F32G-A-QFP32
EFM8UB20F32G-A-QFP32 - 8 Bit MCU, High Speed CIP-51, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 32 KB

2468102

8 Bit MCU, High Speed CIP-51, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 32 KB

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1+ ¥336.29 (¥369.92) 10+ ¥254.50 (¥279.95) 50+ ¥236.04 (¥259.64) 100+ ¥226.06 (¥248.67) 250+ ¥216.37 (¥238.01) 500+ ¥207.93 (¥228.72) 1000+ ¥199.06 (¥218.97) 2500+ ¥189.33 (¥208.26) More Pricing...

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EFM8 Family EFM8UB Series Microcontrollers 8051 48MHz 32KB 32Pins QFP 25I/O's I2C, SPI, UART, USB 2.25KB 20Channels 10Bit 2.7V 3.6V -40°C 85°C Surface Mount EFM8 EFM8UB
EFM8UB10F8G-C-QFN20R
EFM8UB10F8G-C-QFN20R - 8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 50 MHz, 8 KB, 20 Pins, QFN-EP

3387027

8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 50 MHz, 8 KB, 20 Pins, QFN-EP

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1+ ¥177.12 (¥194.83) 10+ ¥156.11 (¥171.72) 50+ ¥153.11 (¥168.42) 100+ ¥150.10 (¥165.11) 250+ ¥142.45 (¥156.70) 500+ ¥122.34 (¥134.57) 1000+ ¥118.21 (¥130.03) 2500+ ¥114.41 (¥125.85) More Pricing...

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EFM8 Family EFM8UB Series Microcontrollers 8051 50MHz 8KB 20Pins QFN-EP 13I/O's I2C, SMBus, SPI, UART, USB 2.25KB 11Channels 12Bit 2.2V 3.6V -40°C 85°C Surface Mount EFM8 EFM8UB
EFM8UB20F64G-B-QFN32
EFM8UB20F64G-B-QFN32 - 8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 64 KB, 32 Pins, QFN

3605203

8 Bit MCU, EFM8 Family EFM8UB Series Microcontrollers, 8051, 48 MHz, 64 KB, 32 Pins, QFN

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1+ ¥481.83 (¥530.01) 10+ ¥330.22 (¥363.24) 25+ ¥322.72 (¥354.99) 50+ ¥315.22 (¥346.74) 100+ ¥307.71 (¥338.48) 250+ ¥292.70 (¥321.97) 500+ ¥288.20 (¥317.02) 1000+ ¥276.19 (¥303.81) More Pricing...

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EFM8 Family EFM8UB Series Microcontrollers 8051 48MHz 64KB 32Pins QFN 25I/O's I2C, SMBus, SPI, UART 4.25KB 20Channels 10Bit 2.65V 3.6V -40°C 85°C Surface Mount EFM8 EFM8UB