Silicon Labs has introduced a new 8-bit microcontroller (MCU) family that delivers elevated analog performance and extensive peripheral integration.
The latest addition to the EFM8 portfolio, the new EFM8LB1 Laser Bee MCUs combine a high-speed analog-to-digital converter (ADC), multiple digital-to-analog converters (DACs), a highly accurate temperature sensor, two comparators and a 72 MHz 8051 core with up to 64 KB of Flash.
The chips deliver their sting in a tiny 3 x 3 mm QFN package, making them a good fit for space-constrained, performance-intensive applications such as optical modules, test and measurement instrumentation, industrial control equipment and smart sensors.
Laser Bee’s on-chip 14-bit, 900 KSps ADC includes an input sequencer and direct memory access (DMA) controller, enabling raw data collection without MCU intervention. The 72 MHz pipelined 8051-based 8-bit core can execute more than 70% of instructions in 1 to 2 clock cycles, satisfying the processing needs of high-speed optical modules and other computationally intensive applications.
EFM8LB1 MCUs integrate four configurable logic units (CLUs), enabling designers to implement combinational logic and/or synchronisers without using external components. The logic units support a variety of digital functions such as replacing system glue logic, generating special waveforms or synchronising system event triggers. Each CLU is completely programmable, making it easier to interface Laser Bee MCUs with other chips in the system. The devices also have a built-in, factory-calibrated ±3°C accuracy temperature sensor.
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