EFM8UB11F16G-C-QSOP24

The EFM8UB11F16G-C-QSOP24 microcontroller is a powerful and efficient solution for a variety of embedded system applications. With its 48 MHz operating frequency and QSOP24 package, it offers high-performance 8-bit core with enhanced peripheral functions. Its 16 KB flash memory and 2 KB RAM provide substantial storage for program and data requirements. Integrated peripherals such as UART, SPI, I2C, and timers enable easy interfacing with external devices, while the 12-bit ADC with up to 12 channels allows for precise analog signal acquisition. Additionally, the microcontroller's support for low-power operation modes ensures efficient power management in battery-operated applications

Key Features

• The EFM8UB2 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
• 48 MHz maximum operating frequency
• Memory:
• Up to 64 KB flash memory, in-system re-programmable from firmware.
• Up to 4352 bytes RAM (including 256 bytes standard 8051 RAM and 4096 bytes on-chip XRAM)
• Power:
• Internal LDO regulator for CPU core voltage
• Internal 5-to-3.3 V LDO allows direct connection to USB supply net
• Power-on reset circuit and brownout detectors
• I/O: Up to 40 total multifunction I/O pins:
• Flexible peripheral crossbar for peripheral routing
• 10 mA source, 25 mA sink allows direct drive of LEDs
• Clock Sources:
• Internal 48 MHz precision oscillator ( ±1.5% accuracy without USB clock recovery, ±0.25% accuracy with USB clock recovery)
• Internal 80 kHz low-frequency oscillator
• External crystal, RC, C, and CMOS clock options
• Timers/Counters and PWM:
• 5-channel Programmable Counter Array (PCA) supporting PWM, capture/compare, and frequency output modes with watchdog timer function
• 6 x 16-bit general-purpose timers
• Communications and Digital Peripherals:
• Universal Serial Bus (USB) Function Controller with eight flexible endpoint pipes, integrated transceiver, and 1 KB FIFO RAM
• 2 x UART
• SPI™ Master / Slave
• 2 x SMBus™/I2C™ Master / Slave
• External Memory Interface (EMIF)
• Analog:
• 10-Bit Analog-to-Digital Converter (ADC0)
• 2 x Low-current analog comparators
• 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 2.65 to 3.6 V
• QFP48, QFP32, and QFN32 packages