EFM32TG222F16-QFP48 - 32MHz ARM Cortex-M3 MCU | Silicon Labs
Teilenummer: EFM32TG222F16-QFP48 ✓ AktivEFM32TG222F16-QFP48 Übersicht
A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals on one chip. The EFM32 belongs to the Tiny Gecko family, a branch of Silicon Labs' energy-conscious 32-bit MCU portfolio. Its architecture supports low-energy operation, fast wake-up behavior, and energy-saving modes, making it suitable for embedded systems that must balance responsive control with restricted power budgets.
The most prominent device parameters are its 32 MHz Cortex-M3 operating speed, 16 kB Flash configuration, and 4 kB RAM. The device also provides 37 digital I/O pins and two 16-bit timers. These resources support event-driven sensing, local control, communication, and compact user interfaces without requiring a separate processor. The listed AES and operational-amplifier features extend the device beyond basic general-purpose I/O.
Technical performance comes from the ARM Cortex-M3 processor and Silicon Labs' low-power Tiny Gecko platform. The processor provides 32-bit instruction handling, while the peripheral system includes configurable I/O locations and two dedicated 16-bit timers. Operating voltage is specified from 1.85 V to 3.8 V, allowing the MCU to operate across common low-voltage supply ranges while supporting both 2.5 V and 3.3 V system architectures.
Typical uses include connected sensor nodes, compact industrial controls, energy-monitoring instruments, low-power actuator controllers, and embedded consumer devices. In these systems, the MCU can acquire sensor data, execute control logic, manage a serial communication link, and enter a low-energy state when extended activity is unnecessary. Its 37 available I/O pins are particularly useful when the design must support multiple discrete inputs, indicators, or external control signals.
Designers should preserve adequate routing flexibility around the 48-pin TQFP footprint and confirm the exact peripheral assignments for the selected board configuration. Power-supply decoupling, grounding, and signal-integrity layout remain essential even in a low-power design. Firmware should use the low-energy modes only after validating wake-up behavior and required peripheral states.
This product page combines the manufacturer specifications with a practical comparison against related EFM32 devices, application guidance, and design considerations. It is intended to help engineers assess memory capacity, package reuse, power behavior, and migration options before committing a PCB layout to production.
Drop-in-Alternativen für EFM32TG222F16-QFP48 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
EFM32TG222F16-D-QFP48
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
EFM32TG222F16-QFP48T
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
EFM32TG222F32-QFP48
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
EFM32TG822F16-QFP48T
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
EFM32ZG222F16-QFP48T
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
EFM32TG222F16-QFP48 Grenzwerte & elektrische Eigenschaften
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Series | Tiny Gecko |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 16 kB |
| Flash Organization | 16K x 8 bits |
| RAM Memory | 4 kB |
| Digital I/O Pins | 37 pins |
| Timer Count | 2 x 16-bit timers |
| Supply Voltage Range | 1.85 V to 3.8 V |
| Processor Core | ARM Cortex-M3 |
| Instruction Width | 32-bit |
| Gehäuse | 48-TQFP (7 x 7 mm) |
| Total Package Pins | 48 pins |
| Montageart | Surface mount |
| Security Feature | AES hardware accelerator |
| Analog Feature | Operational amplifier |
EFM32TG222F16-QFP48 48 pins Pinbelegungsleitfaden
Pinbelegung für EFM32TG222F16-QFP48 (48 pins-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für EFM32TG222F16-QFP48.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
EFM32TG222F16-QFP48 ist geeignet für 6 Anwendungs: Low-Power Sensor Nodes, Industrial Control Modules, Energy Monitoring Instruments, Connected Home Devices, Battery-Powered Actuator Controllers, Compact Medical and Sensor Interfaces.
Low-Power Sensor Nodes
The EFM32TG222F16-QFP48 fits compact sensor nodes that periodically acquire measurements and remain idle between events. Its 32 MHz ARM Cortex-M3 core provides enough processing capability for local filtering, threshold decisions, and data preparation, while the Tiny Gecko platform supports fast wake-up behavior and energy-saving modes. With 4 kB RAM and 37 digital I/O pins, the MCU can service sensors, status indicators, and low-speed serial interfaces without a larger package. Battery performance should be evaluated with the complete sensor and communications subsystem because radio and sensor duty cycles usually dominate system energy use.
Empfohlen
Industrial Control Modules
The EFM32TG222F16-QFP48 is useful in compact industrial control modules that coordinate digital inputs, outputs, timing functions, and local diagnostics. Its two 16-bit timers support periodic measurement, timing, or output-control tasks, while 37 digital I/O pins provide substantial board-level connectivity in a 48-pin TQFP footprint. The 1.85 V to 3.8 V operating range permits integration with common low-voltage industrial rails. Designers should keep switching nodes and high-current outputs separated from sensitive microcontroller traces, and they should verify the selected temperature grade against the enclosure's environmental requirements.
Empfohlen
Energy Monitoring Instruments
The EFM32TG222F16-QFP48 can serve as the control core in a compact energy-monitoring instrument that samples counters, records operating states, and reports information through a serial link. Its operational-amplifier feature may assist suitable low-level analog signal conditioning, while AES hardware capability supports encrypted communications when the firmware design requires it. The 16 kB Flash limit requires disciplined firmware sizing, especially if historical data is buffered locally. Sensor accuracy, calibration, and isolation should be treated as separate signal-chain considerations rather than assumed properties of the MCU.
Empfohlen
Connected Home Devices
The EFM32TG222F16-QFP48 fits connected-home controllers that combine local inputs, actuator control, and a serial communications link. Its 37 digital I/O pins can support keys, indicators, sensors, and discrete control signals, while the 4 kB RAM is suitable for compact protocol buffers and working state. The Tiny Gecko platform's low-energy modes are valuable in battery-powered endpoints, although wireless-module consumption and radio duty cycle will dominate standby performance. Firmware should validate wake-up sequencing and peripheral retention to ensure communications remain reliable after each sleep transition.
Empfohlen
Battery-Powered Actuator Controllers
The EFM32TG222F16-QFP48 can control compact battery-powered actuators where rapid response and low idle consumption are important. The 32 MHz Cortex-M3 core executes motion or sequencing logic, the two 16-bit timers support timing functions, and the 37 digital I/O pins leave sufficient control and sensing capacity. Energy-saving modes allow the controller to remain responsive without continuously running the processor at full activity. Drive-stage transistors and motor or solenoid circuitry must be isolated from low-level control signals, and peak-current layout should be designed for the load rather than the microcontroller supply requirement.
Empfohlen
Compact Medical and Sensor Interfaces
The EFM32TG222F16-QFP48 is suitable for small, low-power sensor-interface modules requiring deterministic control and flexible I/O allocation. Its configurable peripheral locations allow engineers to map functions across 37 digital I/O pins, and its operational-amplifier feature can support appropriate low-level analog stages. The device's 1.85 V to 3.8 V range facilitates integration into compact 2.5 V or 3.3 V designs. Clinical or diagnostic use requires separate validation of accuracy, isolation, reliability, and regulatory requirements; the MCU qualification alone does not establish compliance for the finished medical product.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für EFM32TG222F16-QFP48 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | EFM32TG222F16-D-QFP48 | EFM32TG222F16-QFP48T | EFM32TG222F32-QFP48 | EFM32TG822F16-QFP48T | EFM32ZG222F16-QFP48T |
|---|---|---|---|---|---|---|
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Package | 48-TQFP (7 x 7 mm) | 48-TQFP (7 x 7 mm) | 48-TQFP (7 x 7 mm) | 48-TQFP (7 x 7 mm) | 48-TQFP | 48-TQFP |
| Flash Memory | 16 kB | 16 kB | 16 kB | 32 kB | 16 kB | 16 kB |
Wichtigste Unterscheidungsmerkmale
- Lower minimum operating voltage than the D configuration (vs. EFM32TG222F16-D-QFP48)
- Exact 16 kB Flash configuration for firmware-constrained designs (vs. EFM32TG222F32-QFP48)
- Same Tiny Gecko core and 48-pin package family (vs. EFM32TG222F16-QFP48T)
- Direct 16 kB Flash continuity across compared EFM32 families (vs. EFM32TG822F16-QFP48T)
Designhinweise
Place the MCU's supply bypass capacitors close to the appropriate power pins and follow the manufacturer pin-description and layout guidance. The device operates from 1.85 V to 3.8 V, but the usable rail must also satisfy startup, I/O, and peripheral requirements. Keep the return path for bypass current close to the device ground pins and isolate noisy switching-current loops from the controller supply network.
Assign every PCB signal from the manufacturer pin-description table, including alternate peripheral functions and debug signals. A generic 48-pin TQFP footprint does not establish the EFM32TG222 pin mapping. Preserve access to the debug interface and programming pads, maintain suitable clearance for the package pitch, and review exposed lead geometry against the board assembler's land pattern before fabrication.
Do not select a related EFM32TG222 suffix solely because its memory size appears identical. EFM32TG222F16-D-QFP48 raises the minimum supply from 1.85 V to 1.98 V, while EFM32TG222F32-QFP48 increases Flash from 16 kB to 32 kB. Temperature grade, debug configuration, shipment suffix, and firmware expectations also require confirmation before a production migration.
Low-energy operation should be validated with the complete power budget. Measure the MCU rail and sleep currents together with the sensor, communications module, pull networks, and indicator loads. Fast wake-up behavior only improves battery life if firmware disables unused peripherals, avoids unnecessary polling, and restores the required clock and peripheral states correctly after each wake event.
Compliance-Informationen
No explicit environmental, automotive qualification, lead-free, halogen-free, or conflict-minerals statements are identified for this exact ordering code. Review the manufacturer product documentation and the latest declarations for the production configuration.