Microcontrollers - MCUs

EFM8SB20F32G-B-QFN32

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

Silicon Labs

Product Technical Specifications

• EU RoHS

  Compliant

• ECCN (US)

  EAR99

• Part Status

  Active

• HTS

  8542.31.00.15

• Automotive

  No

• PPAP

  No

• Family Name

  EFM8

• Instruction Set Architecture

  CISC

• Device Core

  8051

• Core Architecture

  8051

• Maximum CPU Frequency (MHz)

  25

• Maximum Clock Rate (MHz)

  25

• Data Bus Width (bit)

  8

• Program Memory Type

  Flash

• Program Memory Size

  32KB

• RAM Size

  4.25KB

• Programmability

  Yes

• Interface Type

  I2C/SMBus/SPI/UART

• Number of I/Os

  24

• No. of Timers

  4

• Number of ADCs

  1

• ADC Channels

  23

• ADC Resolution (bit)

  10

• USART

  0

• UART

  1

• USB

  0

• SPI

  2

• I2C

  1

• I2S

  0

• CAN

  0

• Ethernet

  0

• Watchdog

  1

• Analog Comparators

  2

• Parallel Master Port

  No

• Real Time Clock

  Yes

• Minimum Operating Supply Voltage (V)

  1.8

• Typical Operating Supply Voltage (V)

  2.4

• Maximum Operating Supply Voltage (V)

  3.6

• Minimum Operating Temperature (°C)

  -40

• Maximum Operating Temperature (°C)

  85

• Packaging

  Tube

• Mounting

  Surface Mount

• Package Height

  0.88

• Package Width

  5

• Package Length

  5

• PCB changed

  32

• Standard Package Name

  QFN

• Supplier Package

  QFN EP

• Pin Count

  32

• Lead Shape

  No Lead