EFM8 USB Capable Universal Bee 8-bit Microcontrollers

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. 

Features

  • Pipelined 8-bit C8051 core with 50 MHz maximum operating frequency
  • Up to 22 multifunction, 5 V tolerant I/O pins
  • Low Energy USB with full- and low-speed support saves 60% of the USB energy
  • USB charger detect circuit (USB-BCS 1.2 compliant)
  • One 12-bit ADC and two analog comparators with internal voltage DAC as reference input
  • Five 16-bit timers
  • Two UARTs, SPI, SMBus/I²C master/slave and I²C slave
  • Priority crossbar for flexible pin mapping


Universal Bee Product Matrix

Common Specifications

MCU Core: 8051

MHz: 48

USB: Yes

Temp Sensor: Yes

Comparators: 2

UART: 2

SPI: 1

I2C: 2

VREF: Yes

Devices
Part Number Data Sheet Dev KIt MCU Core MHz Flash RAM Dig I/O Pins 5 Volt Tolerant ADC 1 USB Temp Sensor Timers (16-bit) PCA Channels DAC Comparators UART SPI I²C HS I²C Slave I²S EMIF CAN LIN AES AEC-Q100 Vdd (min) Vdd (max) Package Type Package Size (mm) Internal Osc. VREF Debug Interface Temperature Min (ºC) Temperature Max (ºC)
SLSTK2000A 8051 48 16 2 13, 22 Yes 12-bit, 11-ch., 12-bit, 20-ch. Yes Yes 5 3 2 2 1 2 1 0 0 0 0 No No 2.2 5.25 QFN20, QFN28 3x3, 5x5 ±1.5 Yes C2 -40 85
SLSTK2000A 8051 48 8 2 13 Yes 12-bit, 11-ch. Yes Yes 5 3 2 2 1 2 1 0 0 0 0 No No 2.2 3.8 QFN20 3x3 ±1.5 Yes C2 -40 85
SLSTK2000A 8051 48 16 2 17 Yes 12-bit, 15-ch. Yes Yes 5 3 2 2 1 2 1 0 0 0 0 No No 2.2 5.25 QSOP24 8.7x3.9 ±1.5 Yes C2 -40 85
SLSTK2001A 8051 48 32 2 25, 40 Yes 10-bit, 20-ch., 10-bit, 32-ch. Yes Yes 6 5 2 2 1 2 0 0 0, 1 0 0 No No 2.7 5.25 QFN32, QFP32, QFP48 5x5, 7x7 ±1.5 Yes C2 -40 85
SLSTK2001A 8051 48 64 4 25, 40 Yes 10-bit, 20-ch., 10-bit, 32-ch. Yes Yes 6 5 2 2 1 2 0 0 0, 1 0 0 No No 2.7 5.25 QFN32, QFP32, QFP48 5x5, 7x7 ±1.5 Yes C2 -40 85
SLTB005A 8051 48 40 3 13 Yes 12-bit, 12-ch. Yes Yes 6 3 2 1 1 1 0 0 0 0 0 No No 2.7 5.25 QFN20 3x3 ±1.5 Yes C2 -40 85
SLTB005A 8051 48 40 3 17 Yes 12-bit, 16-ch. Yes Yes 6 3 0, — 2 1 1 1 0 0 0 0 0 No No 2.7 5.25 QFN24, QSOP24 4x4, 8.7x3.9 ±1.5 Yes C2 -40 85
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