EFM8UB2 microcontrollers equivalent, microcontrollers.
* Pipelined 8-bit 8051 MCU Core with 48 MHz maximum operating frequency
* Up to 40 multifunction I/O pins
* Crystal-less full speed/low speed USB 2.0 complian.
with no external components required. With an efficient 8051 core and precision analog, the EFM8UB2 family is also optim.
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