EFM32ZG222F32-QFP48 - 24 MHz Cortex-M0+ 32KB MCU | Silicon Labs
料号： EFM32ZG222F32-QFP48 ✓ 量产中EFM32ZG222F32-QFP48 概述
A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals such as GPIO, timers, communications interfaces, and analog blocks. The EFM32ZG Zero Gecko family combines a 32-bit ARM Cortex-M0+ processor with Silicon Labs low-energy techniques. This positions the device within the hierarchy of embedded controller, microcontroller, 32-bit microcontroller, ARM Cortex microcontroller, and power-management-oriented embedded processing.
The verified device data identifies 24 MHz operating speed, 32 kB Flash, 4 kB RAM, 37 digital I/O pins, and two 16-bit timers. The EFM32ZG family data also reports consumption as low as 0.5 uA in Stop mode and 114 uA/MHz in Run mode. Autonomous peripherals allow supported timer, ADC, and communication activity to continue while the processor sleeps, reducing the energy cost of periodic sensing and control tasks.
Supply voltage is specified as 1.98 V to 3.8 V, supporting both 2 V and 3.3 V powered systems. The integrated analog and communications resources make the device applicable to industrial control, energy measurement, smart metering, connected sensing, and low-power embedded products. Battery-operated designs benefit from fast wake-up behavior and energy-saving modes that reduce unnecessary processor activity.
Engineering trade-offs include a modest 4 kB SRAM budget for protocol buffering and application data, and a Cortex-M0+ core intended for compact control workloads rather than heavy graphics or complex digital signal processing. Board designs should provide the voltage range required by the device and verify decoupling, clock, debug, and exposed-pin requirements against the manufacturer datasheet.
This page combines manufacturer specifications, distributor availability, power characteristics, package details, and practical replacement analysis. It also distinguishes a verified same-footprint option from reel packaging variants and cross-family parts that are not automatically pin-to-pin compatible.
直接替换替代料： EFM32ZG222F32-QFP48 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： EFM32ZG222F32-QFP48 （相同外形与封装尺寸） ——差异在于 Flash Memory, Digital I/O Pins, Package, RAM, Architecture.
EFM32ZG222F32-B-QFP48
✅ 直接替换📋 参考替代料（不在目录中）
EFM32ZG222F32-QFP48 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M0+ microcontroller |
| Series | EFM32 Zero Gecko |
| Maximum CPU Frequency | 24 MHz |
| Flash Memory | 32 kB |
| RAM | 4 kB |
| Digital I/O Pins | 37 |
| Timers | 2 x 16-bit timers |
| Supply Voltage Range | 1.98 V to 3.8 V |
| Stop Mode Current | 0.5 uA |
| Run Mode Current | 114 uA/MHz |
| Processor Core | ARM Cortex-M0+ |
| Architecture | 32-bit |
| 封装 | 48-TQFP (7 x 7 mm) |
| 安装类型 | Surface Mount |
| 引脚数 | 48 |
| Autonomous Peripherals | Supported |
| Power-Saving Modes | Stop mode |
| Fast Wake-Up | Supported |
| ADC | Present |
| AES | Present |
EFM32ZG222F32-QFP48 48-tqfp (7 x 7 mm) 引脚配置指南
EFM32ZG222F32-QFP48（48-tqfp (7 x 7 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： EFM32ZG222F32-QFP48.
请参阅 数据手册 以查看完整引脚配置。
典型应用
EFM32ZG222F32-QFP48 适用于 6 应用s: Battery-Powered Energy Metering, Industrial Sensor Node, Smart Home and Connected Sensing, Home and Building Automation, Low-Power Data Acquisition, Wearable and Portable Monitoring Device.
Battery-Powered Energy Metering
The EFM32ZG222F32-QFP48 fits battery-powered energy meters because its Zero Gecko platform combines a 24 MHz ARM Cortex-M0+ core with low-power modes, Stop-mode consumption as low as 0.5 uA, and Run-mode consumption of 114 uA/MHz. Autonomous peripheral operation allows supported sampling and timer activity to continue while the processor sleeps, reducing the energy penalty of periodic measurement cycles. The 32 kB Flash budget favors a compact acquisition and storage firmware, while the 4 kB RAM requires disciplined buffering rather than large sample histories.
推荐
Industrial Sensor Node
The EFM32ZG222F32-QFP48 is appropriate for compact industrial sensor nodes that must periodically acquire analog data, evaluate thresholds, and report results over a serial link. Its ADC support, two 16-bit timers, 37 digital I/O pins, and 24 MHz processing speed provide the core resources for sensing and control. Fast wake-up behavior helps the node respond quickly after a sleep interval, while the 1.98 V to 3.8 V supply range supports both low-voltage and 3.3 V system architectures. External sensor conditioning remains application-specific.
推荐
Smart Home and Connected Sensing
The EFM32ZG222F32-QFP48 can serve as the low-power controller in a smart-home sensor that wakes for a short measurement, evaluates the result, and returns to sleep. Its 37 digital I/O pins provide useful connectivity for switches, indicators, and simple peripheral control, while the low-energy platform reduces average battery consumption. The Cortex-M0+ architecture is appropriate for protocol handling and control logic rather than graphics processing. A compact 32 kB Flash image can hold the application, drivers, and security configuration if firmware is carefully structured.
推荐
Home and Building Automation
The EFM32ZG222F32-QFP48 is suitable for low-cost building-control nodes that monitor switches or environmental inputs and drive relays or indicators. The integrated ADC supports analog sensing, and the timer resources support periodic measurement, debouncing, or actuator timing. Its 24 MHz core provides sufficient throughput for protocol stacks and local control logic, while the 1.98 V to 3.8 V operating range simplifies compatibility with multiple sensor ecosystems. Designers should use low-leakage GPIO states and verify regulator quiescent current when estimating battery life.
推荐
Low-Power Data Acquisition
The EFM32ZG222F32-QFP48 supports low-power data-acquisition modules that sample a sensor, filter or threshold the result, and transfer selected data without keeping the processor continuously active. Its ADC, two 16-bit timers, and autonomous peripheral capabilities support periodic acquisition, while the family data reports 114 uA/MHz in Run mode and 0.5 uA in Stop mode. The 4 kB RAM limits batch buffering, so streaming processing is preferable to retaining long sample arrays in local memory.
推荐
Wearable and Portable Monitoring Device
The EFM32ZG222F32-QFP48 can serve as the core controller in a small wearable or portable monitor where frequent processing must be limited. Fast wake-up lets the firmware respond to motion, sensor, or user events without continuous high-frequency operation, and the low-power modes reduce standby demand. The Cortex-M0+ core is well matched to simple task scheduling and signal conditioning, while ADC support supports analog sensor front ends. Package dimensions, 3.3 V rail noise, and the 4 kB RAM ceiling require early layout and firmware-budget checks.
推荐
推荐产品汇总
工程参考数据： EFM32ZG222F32-QFP48 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | EFM32ZG222F32-B-QFP48 |
|---|---|---|
| Brand | Silicon Labs | Silicon Labs |
| Package | 48-TQFP (7x7) | 48-TQFP (7x7) |
| Processor Core | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum CPU Frequency | 24 MHz | 24 MHz |
| Flash Memory | 32 kB | 32 kB |
| RAM | 4 kB | 4 kB |
关键差异点
- Direct same-family ordering option （对比 EFM32ZG222F32-B-QFP48)
- Ultra-low-power platform integration （对比 EFM32ZG222F32-B-QFP48)
- Adequate I/O for compact control systems （对比 EFM32ZG222F32-B-QFP48)
设计说明
Design the power tree around the verified 1.98 V to 3.8 V operating range and account for the family-level figures of 0.5 uA in Stop mode and 114 uA/MHz in Run mode. These values are suitable for initial energy-budget calculations but are not guaranteed product-level maximums. Evaluate regulator quiescent current, sensor leakage, analog-reference behavior, and external pull resistors because they may dominate a battery-powered application's standby consumption.
Route sensitive analog inputs away from switching nodes and high-current return paths, and follow the manufacturer package and land-pattern drawings rather than generic 48-TQFP layouts. Place decoupling capacitance close to the supply pins and provide a low-impedance ground plane. Because the exact individual pin names were not present in the supplied verified snippets, confirm power, ground, reset, programming, and analog-pin assignments directly against the EFM32ZG data sheet before routing.
Do not treat the 4 kB RAM as general-purpose bulk storage and do not assume that another EFM32 family is pin-compatible. Use the -B ordering option only after checking the suffix table for temperature and qualification conditions. A reel-code variant such as a trailing T is a packaging choice rather than an engineering alternative, while EFM32G, EFM32TG, and EFM32HG families can differ in memory, peripherals, and pin assignment even when all use 48-pin packages.
合规信息
The supplied verified snippets did not explicitly state RoHS, REACH, halogen-free, or conflict-minerals status. AEC-Q100 is not applicable because this is a general-purpose microcontroller rather than an automotive-qualified device specified in the provided data. Verify current declarations on the manufacturer product page or in a material-compliance report.
