EFM32TG230F32-QFN64 - 32MHz Cortex-M3 MCU | Silicon Labs
料号： EFM32TG230F32-QFN64 ✓ 量产中EFM32TG230F32-QFN64 概述
An MCU is a compact semiconductor system containing a processor core, program memory, data memory, peripherals, and communication interfaces. The EFM32TG230 belongs to the Tiny Gecko family, a low-power platform within the broader embedded microcontroller and semiconductor hierarchy. Its Cortex-M3 architecture provides a 32-bit RISC processing environment suitable for control logic, monitoring, and connected embedded products.
Key features include a maximum clock frequency of 32 MHz, 32 KB of Flash, 4 KB of RAM, and two 16-bit timers. The manufacturer describes 56 digital I/O pins, giving the 64-QFN device a comparatively dense interface count for its 9 x 9 mm footprint. An operating supply range of 1.85 V to 3.8 V supports both 2.5 V and 3.3 V system designs identified in the verified distributor data.
The Tiny Gecko platform emphasizes low-energy operation, including energy-saving modes and fast wake-up times. These characteristics are particularly useful when the controller must alternate between active measurement or control and extended low-power states. The Cortex-M3 core also includes a Memory Protection Unit supporting as many as eight memory segments and a Wake-up Interrupt Controller for servicing interrupts while the CPU is asleep, according to the linked EFM32TG230 datasheet.
Typical applications include energy-harvesting equipment, industrial sensing, building automation, environmental monitoring, portable instruments, and connected embedded products. In these systems, the device can execute control logic locally while using its low-power operating modes to reduce average energy consumption. Its 32 KB Flash capacity is suitable for moderate firmware images, while the 4 KB RAM supports working data, stacks, and peripheral buffers.
PCB design should account for the exposed thermal pad, supply decoupling, and exposed-pad soldering requirements of the 64-QFN package. Place input and output capacitors close to their associated supply pins, maintain the manufacturer’s land pattern, and provide a low-impedance ground reference. Firmware and hardware revisions should also be checked before replacing this device with another EFM32 member because memory density and temperature-grade suffixes can change functionality or qualification.
This page consolidates the verified manufacturer and distributor specifications, separates confirmed facts from unavailable pricing and lifecycle details, and identifies same-family migration candidates for engineering review. It also highlights the package, memory, clock, and low-power constraints that matter when selecting or replacing the EFM32TG230F32-QFN64.
直接替换替代料： EFM32TG230F32-QFN64 ——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： EFM32TG230F32-QFN64 （相同外形与封装尺寸） ——差异在于 Low-Power Features, Package, Digital I/O Pins, Flash Memory, Product Type.
EFM32TG230F32-QFN64T
✅ 直接替换📋 参考替代料（不在目录中）
EFM32TG230F32-D-QFN64
✅ 直接替换📋 参考替代料（不在目录中）
EFM32TG840F32-QFN64
✅ 直接替换联系询价
查看数据手册 →EFM32TG230F16-QFN64
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
EFM32TG230F8-QFN64
✅ 直接替换 ⚠️ 规格未核验联系询价
查看数据手册 →EFM32TG230F32-QFN64 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Series | EFM32 Tiny Gecko |
| Maximum CPU Frequency | 32 MHz |
| Processor Core | ARM Cortex-M3 |
| Architecture | 32-bit RISC |
| Flash Memory | 32 KB (32K x 8) |
| RAM | 4 KB |
| Digital I/O Pins | 56 pins |
| Timers | 2 x 16-bit timers |
| Supply Voltage Range | 1.85 V to 3.8 V |
| Nominal Supply Options | 2.5 V or 3.3 V |
| 封装 | 64-QFN (9 mm x 9 mm) |
| 安装类型 | Surface Mount |
| Memory Protection Unit | Up to 8 memory segments |
| Low-Power Features | Energy-saving modes and fast wake-up times |
| Sleep Interrupt Support | Wake-up Interrupt Controller |
| Core Performance | Up to 1.25 Dhrystone MIPS/MHz |
EFM32TG230F32-QFN64 64-qfn (9 mm x 9 mm) 引脚配置指南
EFM32TG230F32-QFN64（64-qfn (9 mm x 9 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： EFM32TG230F32-QFN64.
请参阅 数据手册 以查看完整引脚配置。
典型应用
EFM32TG230F32-QFN64 适用于 6 应用s: Industrial Environmental Monitoring, Smart Building Automation, Portable Medical Devices, Energy-Sensitive IoT Devices, Battery-Powered Instruments, Motor and actuator control.
Industrial Environmental Monitoring
The EFM32TG230F32-QFN64 fits environmental sensing nodes that periodically measure temperature, humidity, gas, or particulate conditions and transmit the results over a low-power communications interface. Its 32 MHz ARM Cortex-M3 core provides enough processing capability for sensor conditioning, sampling control, and protocol handling, while the 32 KB Flash stores application firmware and the 4 KB RAM supports working buffers. The Tiny Gecko platform’s energy-saving modes and fast wake-up times can extend service life in battery-operated deployments. Using the 1.85 V to 3.8 V supply range, engineers can operate from a regulated 2.5 V or 3.3 V rail and place local bypass capacitors close to the device.
推荐
Smart Building Automation
The EFM32TG230F32-QFN64 can serve as the local controller in a smart-building node that reads occupancy, temperature, or door-state inputs and drives alarms, indicators, or actuator interfaces. Its 56 digital I/O pins provide substantial digital connectivity for compact multi-sensor equipment, and the two 16-bit timers support periodic sampling, debouncing, or pulse-related functions. The 32 MHz Cortex-M3 core can execute communication-stack and control logic without requiring an external processor. Low-power operating modes are valuable in battery-backed sensors, while fast wake-up behavior allows the MCU to respond quickly to scheduled tasks or external events without remaining continuously active.
推荐
Portable Medical Devices
The EFM32TG230F32-QFN64 is appropriate for compact medical accessories and monitoring peripherals that perform local signal acquisition, control, or status reporting. Its 32 MHz Cortex-M3 core can manage sampling routines and control logic, while 4 KB RAM accommodates short processing buffers and 32 KB Flash holds embedded firmware. The low-power architecture supports battery-powered operation when duty cycling is carefully controlled. For designs connected to sensitive analog front ends, the digital supply should be separated and filtered appropriately. Medical qualification, electrical-safety validation, and patient-contact protection requirements remain system-level obligations and cannot be inferred from the MCU specifications alone.
推荐
Energy-Sensitive IoT Devices
The EFM32TG230F32-QFN64 supports IoT sensor nodes that spend most of their operating time asleep and wake periodically to collect or transmit data. Its energy-saving modes and fast wake-up times are central to the Tiny Gecko low-power design, allowing the controller to remain responsive without running the 32 MHz core continuously. The 56 digital I/O pins are useful for simple digital sensors, interrupt-driven inputs, and status indicators, while the Cortex-M3 processor can handle protocol framing and local data processing. Supply design from 1.85 V to 3.8 V allows integration with low-voltage regulators, but total battery life must be calculated from the duty cycle, radio current, regulator quiescent current, and leakage of the complete assembly.
推荐
Battery-Powered Instruments
The EFM32TG230F32-QFN64 can be used in handheld instruments and portable test equipment where a 32 MHz control core is useful without requiring a high-power application processor. Its 32 KB Flash and 4 KB RAM are appropriate for compact user interfaces, sensor coordination, calibration logic, and communication routines. The low-power platform is particularly valuable in instruments that wake for a measurement, process the result, and return to sleep. Designers should use the two 16-bit timers for precise sampling intervals and employ the Cortex-M3 interrupt capabilities to respond without continuous polling. Low-power claims should be validated at the board level because sensor current, display loading, and regulator efficiency often dominate the MCU’s own consumption.
推荐
Motor and actuator control
The EFM32TG230F32-QFN64 can coordinate simple actuator, motor-control, or power-stage supervisory functions in industrial and appliance systems. The 32 MHz Cortex-M3 core is capable of executing deterministic control tasks, while the 56 digital I/O pins permit direct access to sensors, command signals, and discrete status lines. The two 16-bit timers can provide timing services for PWM-adjacent logic, input capture, or periodic maintenance tasks. Actual motor-drive loops require the appropriate power stage and may need a more specialized real-time controller; the EFM32 is best positioned as a supervisory controller or a companion MCU. Its 1.85 V to 3.8 V operating range must also be reconciled with gate-driver and power-stage voltage requirements.
推荐
推荐产品汇总
工程参考数据： EFM32TG230F32-QFN64 ——对比、设计指导和合规信息。
选型指南
Do not substitute an F16 or F8 TG230 variant merely because it uses the same package: their 16 KB and 8 KB Flash capacities may not fit the existing image. Consider EFM32TG840F32-QFN64 for a new design only after checking its RAM, peripherals, package pins, power behavior, and software migration requirements. No verified cross-brand drop-in candidate was found in the supplied data, so a redesign using another manufacturer’s MCU should be treated as a non-drop-in engineering project rather than a procurement substitution.
与替代料对比
| 参数 | 本产品 | EFM32TG230F32-QFN64T | EFM32TG230F32-D-QFN64 | EFM32TG840F32-QFN64 | EFM32TG230F16-QFN64 | EFM32TG230F8-QFN64 |
|---|---|---|---|---|---|---|
| Package | 64-QFN (9 mm x 9 mm) | 64-QFN (9 mm x 9 mm) - same package | 64-QFN (9 mm x 9 mm) - same package | 64-QFN (9 mm x 9 mm) - same package | 64-QFN (9 mm x 9 mm) - same package | 64-QFN (9 mm x 9 mm) - same package |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB indicated by F32 designation; verify with manufacturer | 16 KB | 8 KB |
| Ordering or Packaging Difference | Tape & Reel ordering option | T suffix ordering option | D configuration identified as tray packing | Different TG840 device family | Lower Flash-density configuration | Lower Flash-density configuration |
关键差异点
- Compact integration with a high digital I/O count （对比 EFM32TG230F16-QFN64)
- Largest named Flash configuration among the listed TG230 candidates （对比 EFM32TG230F8-QFN64)
- Documented low-power platform behavior （对比 EFM32TG840F32-QFN64)
设计说明
Use the manufacturer’s 64-QFN 9 x 9 mm land pattern and preserve the exposed-pad connection. Place the required supply-decoupling capacitors close to the corresponding power pins, with a short and low-impedance return path to the ground plane. Because the supplied excerpts do not contain the complete pin table, verify every terminal, exposed-pad connection, and decoupling value against the EFM32TG230 datasheet before releasing a PCB layout.
The supported supply range is 1.85 V to 3.8 V, with verified listings identifying 2.5 V and 3.3 V systems. Ensure the regulator has adequate startup time, low transient impedance, and the voltage tolerance required by the MCU. Do not substitute the 1.1439 USD LCSC price shown for the -D configuration as the price of the exact target MPN; obtain a current quotation for the required suffix and quantity.
A shared package name does not by itself prove firmware-compatible replacement. Before using EFM32TG230F32-QFN64T, EFM32TG230F32-D-QFN64, or an F16/F8 density variant, check the complete pin map, startup configuration, peripheral set, memory requirement, and exposed-pad layout. Firmware built for the F32 configuration may exceed the 16 KB Flash of an F16 candidate or the 8 KB Flash of an F8 candidate.
The 64-QFN package requires attention to solder-joint quality and thermal-pad heat spreading. Apply the manufacturer’s reflow profile, verify adequate solder mask and paste coverage under the exposed pad, and avoid accidental bridging between its fine-pitch terminals. Package power dissipation was not present in the supplied verified data, so thermal calculations cannot be made reliably without confirmed ambient temperature, board construction, and device activity data.
For low-duty-cycle sensor products, calculate average current from the complete power profile rather than the 32 MHz active current alone. Account for sleep-state current, wake-up duration, ADC or sensor activity, regulator quiescent current, and peripheral leakage. The manufacturer confirms energy-saving modes and fast wake-up times, but those features only improve battery life if firmware spends substantial time in the lowest-energy state compatible with the application’s response requirement.
合规信息
The supplied manufacturer and distributor excerpts do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred. The datasheet link identifies the EFM32TG230 family document, but no document revision or page count was fabricated.
