Product Overview

The EFM32ZG110F32-B-QFN24R is ultra-low-power 32-bit MCU from Silicon Labs, based on the ARM Cortex-M0+ core. Designed for energy-efficient IoT, industrial control, and battery-powered devices, it combines low-power technology with high-performance processing, offering rich analog and digital peripherals and hardware encryption. Housed in a QFN24 package, this compact chip excels in space-constrained applications, making it ideal for smart sensors, metering devices, and portable electronics.

Key Features

• Extreme Low Power Performance
  • Ultra-low power modes: 0.5 µA in Stop mode (EM3) with RAM and register retention, suitable for long standby scenarios.
  • 2 µs fast wake-up time ensures quick transition between sleep and active states, balancing energy efficiency and responsiveness.
• High-Efficiency Processing and Integrated Peripherals
  • ARM Cortex-M0+ core runs at up to 24 MHz with 114 µA/MHz in Run mode, enabling efficient code execution.
  • Features a 12-bit ADC (1 MSPS), current-output DAC (IDAC), analog comparator, and multiple communication interfaces (I²C, USART, LEUART), simplifying external circuit design.
• Flexible Communication and Security
  • Hardware support for I²C, SPI, UART, and low-power LEUART, compatible with multi-protocol communication and SMBus slave address recognition.
  • Built-in AES-128 hardware encryption engine completes encryption/decryption in 54 cycles, ensuring data security.
• Compact Package and Wide Operating Range
  • 5x5mm QFN24 package saves PCB space, ideal for compact device designs.
  • Operates at 1.98-3.8V voltage and -40°C to 85°C temperature range, meeting industrial-grade requirements.
• Intelligent Power and Clock Management
  • Integrates voltage regulators and multiple oscillators (LFXO, HFRCO, ULFRCO) for dynamic clock switching and optimized power consumption.
  • Includes power monitoring (BOD) and reset management for enhanced system stability.

Technical Specifications

Parameter	Specification
Core	ARM Cortex-M0+, up to 24 MHz
Memory	32 kB Flash, 4 kB RAM
Analog Peripherals	12-bit ADC (4 single-ended/2 differential channels), IDAC (0.05-64 µA), analog comparator
Communication Interfaces	I²C, USART, LEUART, SPI, IrDA, SMBus
Supply Voltage	1.98-3.8 V
Operating Temperature	-40°C to 85°C
Package	QFN24 (5x5 mm)
Low Power Modes	Stop mode: 0.5 µA; Deep Sleep mode: 0.9 µA (with RTC)
Security Features	AES-128 hardware encryption, 54-cycle processing

Typical Applications

• Smart Metering Devices
  Ideal for energy, water, and gas smart meters, leveraging the high-precision 12-bit ADC for sensor data acquisition and low-power modes for extended battery life. Supports I²C connectivity for metering chips, ensuring reliable long-term operation.
• Health and Fitness Equipment
  Used in heart rate monitors and fitness bands, with low-power LEUART for Bluetooth communication and IDAC for analog circuit driving. The ARM core efficiently processes real-time data while optimizing battery usage.
• Industrial Automation
  Serves as an industrial sensor node, communicating with PLCs via USART and responding to real-time control signals with fast wake-up capability. Its wide temperature range and hardware encryption suit harsh factory environments.
• Smart Home Accessories
  Fits in smart locks and environmental sensors, saving space with its QFN24 package. Integrated timers enable timing control, while low-power modes support months to years of battery life, simplifying system design.
• Security and Alarm Systems
  Used in smoke detectors and intrusion sensors, with analog comparators for real-time signal monitoring and fast wake-up for SPI-based alarm data transmission. AES encryption ensures secure communication during standby and response.

Why Choose EFM32ZG110F32-B-QFN24R?

• Long Battery Life: 0.5µA Stop mode current extends battery runtime in IoT devices.
• High Integration: Built-in ADC, DAC, and encryption reduces external components, cutting BOM cost and complexity.
• Industrial Reliability: Operates across -40°C to 85°C with power monitoring, suitable for harsh environments.
• Development Flexibility: Supports multiple communication protocols and timers, adapting to diverse applications from sensors to control systems.
• Robust Ecosystem: Simplicity Studio tools and firmware libraries accelerate prototyping and mass production.

SUNTOP COMPANY INTRODUCTION

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