EFM8UB11F16G-C-QSOP24 datasheet(2/59 Pages) SILABS

Part #	EFM8UB11F16G-C-QSOP24

Description	The EFM8UB1 highlighted features are listed below

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Manufacturer	SILABS [Silicon Laboratories]

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1. Feature List

The EFM8UB1 highlighted features are listed below.

• Core:

• Pipelined CIP-51 Core

• Fully compatible with standard 8051 instruction set

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

• 50 MHz maximum operating frequency

• Memory:

• Up to 16 KB flash memory, in-system re-programmable

from firmware, including 1 KB of 64-byte sectors and 15

KB of 512-byte sectors.

• Up to 2304 bytes RAM (including 256 bytes standard 8051

RAM, 1024 bytes on-chip XRAM, and 1024 bytes of USB

buffer)

• Power:

• 5 V-input LDO regulator for direct connection to USB sup-

ply

• Internal LDO regulator for CPU core voltage

• Power-on reset circuit and brownout detectors

• I/O: Up to 22 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

• Clock Sources:

• Internal 48 MHz oscillator with accuracy of ±1.5% stand-

alone and ±0.25% using USB clock recovery

• Internal 24.5 MHz oscillator with ±2% accuracy

• Internal 80 kHz low-frequency oscillator

• External CMOS clock option

• Timers/Counters and PWM:

• 3-channel Programmable Counter Array (PCA) supporting

PWM, capture/compare, and frequency output modes

• 5 x 16-bit general-purpose timers

• Independent watchdog timer, clocked from the low frequen-

cy oscillator

• Communications and Digital Peripherals:

• USB 2.0-compliant full speed with integrated low-power

transceiver, 4 bidirectional endpoints, and dedicated 1 KB

buffer

• 2 x UART, up to 3 Mbaud

• SPI™ Master / Slave, up to 12 Mbps

• SMBus™/I2C™ Master / Slave, up to 400 kbps

• I2C High-Speed Slave, up to 3.4 Mbps

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

byte boundaries

• Analog:

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

• 2 x Low-current analog comparators with adjustable refer-

ence

• On-Chip, Non-Intrusive Debugging

• Full memory and register inspection

• Four hardware breakpoints, single-stepping

• Pre-loaded USB bootloader

• Temperature range -40 to 85 ºC

• Single power supply of 2.2 to 3.6 V or 3.0 to 5.25 V

• QSOP24, QFN28, and QFN20 packages

With on-chip power-on reset, voltage supply monitor, watchdog timer, and clock oscillator, the EFM8UB1 devices are truly standalone

system-on-a-chip solutions. The flash memory is reprogrammable in-circuit, providing nonvolatile data storage and allowing field up-

grades 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. The on-chip 5V-to-3.3V regulator enables operation from 2.2 V up to a 5.25 V supply. Devices are available in 28-pin

QFN, 20-pin QFN, or 24-pin QSOP packages. All package options are lead-free and RoHS compliant.

EFM8UB1 Data Sheet

Feature List

silabs.com | Smart. Connected. Energy-friendly.

Rev. 1.1 | 1

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EFM8UB11F16G-C-QSOP24 Datasheet(PDF) 2 Page - Silicon Laboratories

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