EFM32G222F32-QFP48 - 32MHz ARM Cortex-M3 MCU | Silicon Labs
料号： EFM32G222F32-QFP48 ✓ 量产中| 数量 | 单价 | 小计 |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
EFM32G222F32-QFP48 概述
An MCU is a compact embedded computing component that integrates a processor core, memory, peripherals, and I/O into one device. The EFM32G222F32-QFP48 belongs to the EFM32 Gecko family and is intended for energy-sensitive applications where compact size, deterministic control, and low-power operation are important. Its Cortex-M3 architecture supports 32-bit processing while retaining a straightforward embedded software model.
Key features include a maximum 32 MHz operating speed, 32 kB Flash organized as 32K × 8, 8 kB RAM, and 37 digital I/O pins. The device also provides three 16-bit timers and low-energy capabilities described by Silicon Labs as fast wake-up times and energy-saving modes. These characteristics support designs that spend substantial time sleeping and must resume quickly for sensor acquisition, control updates, or communications.
The EFM32G222F32-QFP48 is available in a 7x7 mm 48-pin TQFP package, making it suitable for compact PCB layouts. Its 32-bit ARM Cortex-M3 core and peripheral mix can handle motor-control tasks, industrial monitoring, consumer accessories, and connected sensor nodes. Designers should select the appropriate operating voltage, pin multiplexing, clock configuration, and low-power strategy for the target system.
Typical applications include low-power sensor nodes, industrial condition-monitoring equipment, small motor controllers, building-control endpoints, and portable measurement products. In each case, the MCU controls acquisition, timing, logic, and external interfaces while using its low-power modes between activity periods. The exact input voltage limits, current consumption, pin names, package dimensions, and electrical limits must be taken from the manufacturer datasheet rather than inferred from distributor summaries.
A key design consideration is the relationship between sleep-mode selection and wake-up latency. For battery-powered systems, choose the lowest acceptable active and sleep currents while ensuring that the required peripherals respond within the control-loop timing budget. Also budget Flash, RAM, stack depth, and firmware overhead before adding protocol libraries or advanced control algorithms.
This page combines manufacturer specifications, distributor product information, datasheet access, package details, and engineering guidance to support component selection and PCB planning. It is intended to make the EFM32G222F32-QFP48 searchable by MPN, ARM Cortex-M3, 32 MHz, 32 kB Flash, 8 kB RAM, and 48-pin TQFP-related design requirements.
直接替换替代料： EFM32G222F32-QFP48 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
该产品暂无直接替换替代料。
请求替代料EFM32G222F32-QFP48 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 32 kB (32K × 8) |
| RAM | 8 kB |
| Digital I/O Pins | 37 |
| Timer Configuration | 3 × 16-bit timers |
| Processor Core | ARM Cortex-M3 |
| Architecture | 32-bit RISC |
| 封装 | 48-pin TQFP (7x7 mm) |
| 安装类型 | Surface Mount |
| 电源电压 | 2.5 V / 3.3 V |
| Low-Power Features | Energy-saving modes and fast wake-up times |
| Memory Protection Unit | Supported by ARM Cortex-M3 architecture |
| Wake-up Interrupt Controller | Supported by ARM Cortex-M3 architecture |
| Series | EFM32 Gecko |
| RoHS 状态 | Not stated in provided data |
| REACH Status | Not stated in provided data |
| Automotive Qualification | Not stated in provided data |
EFM32G222F32-QFP48 48-pin tqfp (7x7 mm) 引脚配置指南
EFM32G222F32-QFP48（48-pin tqfp (7x7 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： EFM32G222F32-QFP48.
请参阅 数据手册 以查看完整引脚配置。
典型应用
EFM32G222F32-QFP48 适用于 6 应用s: Low-Power Sensor Node, Industrial Condition Monitoring, Small Motor Controller, Building-Control Endpoint, Portable Measurement Product, Connected Sensor Gateway.
Low-Power Sensor Node
The EFM32G222F32-QFP48 fits battery-powered sensor nodes that periodically sample a sensor, perform local processing, and return to a low-energy state. Its 32 MHz ARM Cortex-M3 core provides processing headroom for protocol handling, while Silicon Labs identifies energy-saving modes and fast wake-up times as platform capabilities. With 32 kB Flash, 8 kB RAM, and 37 digital I/O pins, the device can support compact sensor conditioning, threshold logic, and communications. The main design trade-off is firmware and power-budget validation: confirm sleep current and wake-up latency in the datasheet, and ensure the 8 kB RAM leaves space for stacks and buffers.
推荐
Industrial Condition Monitoring
For industrial monitoring equipment, the EFM32G222F32-QFP48 can combine periodic sensor reads, digital filtering, event timestamping, and local status reporting in one embedded controller. The 37 digital I/O pins provide a substantial peripheral connection budget, and the three 16-bit timers support periodic measurement or control tasks. Its low-power emphasis is useful when the monitor operates from a limited power budget or remains idle between inspections. Because the verified data does not specify analog channels, communication peripherals, or industrial temperature limits, engineers should confirm those details in the manufacturer datasheet before selecting it for a harsh environment.
推荐
Small Motor Controller
The EFM32G222F32-QFP48 can serve as the supervisory controller in a small motor-control module where timing, discrete I/O, and compact embedded logic matter. The three 16-bit timers provide dedicated timing resources for pulse generation, input capture, or periodic control functions, while the Cortex-M3 core executes control and safety logic at up to 32 MHz. The 48-pin TQFP offers more routing options than a very small leadless package, although actual motor-interface requirements determine whether the MCU has enough suitable pins. Validate timer outputs, pin multiplexing, current limits, thermal conditions, and protection circuitry against the manufacturer documentation.
推荐
Building-Control Endpoint
The EFM32G222F32-QFP48 is suitable for a compact building-control endpoint that reads switches or sensors, drives indicators or actuators, and schedules periodic communication. Its 37 digital I/O pins and low-power platform features help support devices that remain available without continuously running at maximum processing load. The 32-bit Cortex-M3 architecture can manage protocol state machines, debounce logic, and event tables while the device operates between events. For deployment, verify the required supply range, wake-up behavior, environmental ratings, and communication peripherals; those values are not fully present in the supplied distributor excerpts.
推荐
Portable Measurement Product
In a portable measurement product, the EFM32G222F32-QFP48 can handle control flow, data acquisition sequencing, local display or keypad interaction, and data buffering. Its 32 kB Flash accommodates moderate firmware, while 8 kB RAM requires careful sizing for buffers, stacks, and any communication protocol. The 37 digital I/O pins can support buttons, indicators, and discrete sensors when the fixed package functions leave enough usable pins. Engineers should compare the MCU's analog and timing peripherals against the actual measurement chain, then validate low-power behavior because the verified excerpts do not provide complete current-consumption values.
推荐
Connected Sensor Gateway
The EFM32G222F32-QFP48 can be used in a small connected sensor gateway that collects local inputs, applies filtering or thresholds, and forwards information through a serial interface. Its 32 MHz Cortex-M3 core supports event-driven firmware, while 32 kB Flash and 8 kB RAM are appropriate for compact embedded applications rather than large protocol stacks. Silicon Labs' low-energy techniques can help reduce average consumption when the gateway is idle. Confirm the required serial peripherals, protocol support, I/O voltage, and package pin multiplexing in the datasheet before choosing the part for a particular wireless or wired module.
推荐
推荐产品汇总
工程参考数据： EFM32G222F32-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 |
|---|---|
| Package | 48-pin TQFP (7x7 mm) |
| Brand | Silicon Labs |
| CPU Core | ARM Cortex-M3 |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 32 kB |
| RAM | 8 kB |
| Digital I/O Pins | 37 |
| Timers | 3 × 16-bit timers |
关键差异点
- Low-power-focused 32-bit MCU platform （对比 General-purpose 32-bit MCU without the same verified Gecko feature set)
- Integrated memory and timing resources （对比 Smaller-memory MCU candidate)
- Established 48-pin TQFP integration （对比 QFN alternative such as EFM32G232F128G-E-QFN64R)
设计说明
Use the manufacturer power and decoupling recommendations for every supply pin in the 48-pin TQFP design. The verified excerpts identify low-energy operation but do not provide a complete current-consumption table, so do not size a battery from generic MCU assumptions. Confirm active, sleep, wake-up, and peripheral current in the applicable datasheet revision, then include margin for sensor loads, regulators, and communication activity.
Build the PCB footprint from the official TQFP-48 drawing and preserve the manufacturer-defined pin numbering orientation. Place required bypass capacitors close to their associated power pins and provide a clean ground reference for the Cortex-M3, timers, and communication signals. Because the verified data confirms the 7x7 mm 48-pin package but not its complete pin table, verify land pattern and pin 1 orientation against the datasheet before fabrication.
Do not treat a related EFM32G222 or EFM32G-series MPN as a drop-in substitute without comparing every package pin, power domain, alternate function, clock requirement, and peripheral resource. The EFM32G222F32-QFP48 has 32 kB Flash, 8 kB RAM, 37 digital I/O pins, and three 16-bit timers; a candidate that changes any of these limits or remaps a pin can require firmware and PCB changes.
合规信息
The supplied manufacturer and distributor snippets do not state RoHS, REACH, lead-free, halogen-free, conflict-minerals, or AEC-Q100 status. Verify these items on the current Silicon Labs product documentation before procurement.
