EFM8BB10F8G-A-QFN20R

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1. Description
   

The EFM8BB10F8G-A-QFN20R, part of the Busy Bee family of MCUs, is a multipurpose line of 8-bit microcontrollers with a comprehensive feature set in small packages. These devices offer high-value by integrating advanced analog and communication peripherals into small packages, making them ideal for space-constrained applications. With an efficient 8051 core, enhanced pulse-width modulation, and precision analog, the EFM8BB10F8G-A-QFN20R family is also optimal for embedded applications. 

With on-chip power-on reset, voltage supply monitor, watchdog timer, and clock oscillator, the EFM8BB10F8G-A-QFN20R devices are truly standalone system-on-a-chip solutions. The flash memory is reprogrammable in-circuit, providing non-volatile data storage and allowing field upgrades of the firmware. The on-chip debugging interface (C2) allows non-intrusive (uses no on-chip resources), full speed, in-circuit debugging using the production MCU installed in the final application. This debug logic supports inspection and modification of memory and registers, setting breakpoints, single stepping, and run and halt commands. All analog and digital peripherals are fully functional while debugging. Each device is specified for 2.2 to 3.6 V operation and is AEC-Q100 qualified. Both the G-grade and I-grade devices are available in 20-pin QFN, 16-pin SOIC or 24-pin QSOP packages, and A-grade devices are available in the 20-pin QFN package. All package options are lead-free and RoHS compliant.

EFM8BB10F8G-A-QFN20R applications include the following:

    1. Motor control

    2. Consumer electronics

    3. Sensor controllers

    4. Medical equipment

    5. Lighting systems

    6. I/O port expander

2. KEY FEATURES

    1. Pipelined 8-bit C8051 core with 25 MHz maximum operating frequency

    2. Up to 18 multifunction, 5 V tolerant I/O pins

    3. One 12-bit Analog to Digital converter (ADC)

    4. Two low-current analog comparators

    5. Integrated temperature sensor

    6. 3-channel enhanced PWM / PCA

    7. Four 16-bit timers

    8. UART, SPI and SMBus/I2C

    9. Priority crossbar for flexible pin mapping

3. Feature List

The EFM8BB10F8G-A-QFN20R highlighted features are listed below.

    1. Core:

        - Pipelined CIP-51 Core

        - Fully compatible with standard 8051 instruction set

        - 70% of instructions execute in 1-2 clock cycles

        - 25 MHz maximum operating frequency

    2. Memory:

        - Up to 8 kB flash memory, in-system re-programmable from firmware.

        - Up to 512 bytes RAM (including 256 bytes standard 8051 RAM and 256 bytes on-chip XRAM)

    3. Power:

        - Internal LDO regulator for CPU core voltage

        - Power-on reset circuit and brownout detectors

    4. I/O: Up to 18 total multifunction I/O pins:

        - All pins 5 V tolerant under bias

        - Flexible peripheral crossbar for peripheral routing

        - 5 mA source, 12.5 mA sink allows direct drive of LEDs

    5. Clock Sources:

        - Internal 24.5 MHz oscillator with ±2% accuracy

        - Internal 80 kHz low-frequency oscillator

        - External CMOS clock option

    6. Timers/Counters and PWM:

        - 3-channel programmable counter array (PCA) supporting PWM, capture/compare, and frequency output modes

        - 4 x 16-bit general-purpose timers

        - Independent watchdog timer, clocked from the low frequency oscillator

    7. Communications and Digital Peripherals:

        - UART

        - SPI™ Master / Slave

        - SMBus™/I2C™ Master / Slave

        - 16-bit CRC unit, supporting automatic CRC of flash at 256- byte boundaries

    8. Analog:

        - 12-Bit Analog-to-Digital Converter (ADC)

        - 2 x Low-current analog comparators with adjustable reference

    9. On-Chip, Non-Intrusive Debugging

        - Full memory and register inspection

        - Four hardware breakpoints, single-stepping

  10. Pre-loaded UART bootloader

  11. Temperature range -40 to 85 ºC or -40 to 125 ºC

  12. Single power supply 2.2 to 3.6 V

  13. QSOP24, SOIC16, and QFN20 packages

4. Pin Definitions

5. Packaging Information