EFM32ZG222F8-QFP48 - 24MHz 8KB Flash MCU | Silicon Labs
MPN: EFM32ZG222F8-QFP48 ✓ Active| Qty | Unit Price | Extended |
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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 |
EFM32ZG222F8-QFP48 Overview
A microcontroller is an embedded semiconductor that integrates a CPU core, program memory, data memory, peripherals, and I/O into one device. The EFM32 Zero Gecko family belongs to the 32-bit microcontroller -> embedded processor -> semiconductor hierarchy. Its ARM Cortex-M0+ core provides a compact instruction set and event-driven execution, while the low-energy architecture supports duty-cycled products in which the MCU spends most of its time asleep.
The verified device data identifies a 24 MHz operating speed, 8 KB Flash organized as 8K x 8, 2 KB RAM, and two 16-bit timers. The manufacturer describes fast wake-up times and energy-saving modes as core platform features. A 1.98 V to 3.8 V supply range appears in the alternatives cross-reference data, and the package is a 48-pin TQFP measuring 7 x 7 mm. The 37 digital I/O pins provide connections for sensors, actuators, communications, and user controls.
This MCU is suitable for compact industrial sensing, connected sensor nodes, building controls, portable instruments, and low-power embedded products. Its small memory footprint favors focused control tasks rather than complex graphical interfaces or large application workloads. The 48-pin TQFP also exposes more I/O than the smallest packages while remaining compatible with conventional leaded assembly processes.
Designers should verify the exact peripheral pin assignments, programming interface, and operating-mode limits against the manufacturer datasheet before layout release. Decoupling, ground-return planning, and separation between analog and digital circuitry remain important when the MCU drives sensors or communication modules.
This page combines verified manufacturer and distributor information with practical selection guidance, application context, and compatibility-focused alternative research. It is designed to help engineers evaluate the EFM32ZG222F8-QFP48 faster while retaining traceability to the supplied product data.
Drop-in alternatives for EFM32ZG222F8-QFP48 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with EFM32ZG222F8-QFP48 (same form factor and footprint) — differing in Flash Memory, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EFM32ZG222F8-B-QFP48
✅ Drop-In📋 Reference alternative (not in catalog)
EFM32ZG222F32-QFP48
✅ Drop-In📋 Reference alternative (not in catalog)
EFM32ZG222F8-QFP48T
✅ Drop-In📋 Reference alternative (not in catalog)
EFM32TG222F8-QFP48T
✅ Drop-In📋 Reference alternative (not in catalog)
EFM32TG822F8-QFP48
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →EFM32ZG222F8-QFP48 Maximum Ratings & Electrical Characteristics
| Product Type | 32-bit ARM Cortex-M0+ microcontroller |
| Series | EFM32 Zero Gecko |
| Maximum CPU Frequency | 24 MHz |
| CPU Architecture | ARM Cortex-M0+ |
| Flash Memory | 8 KB (8K x 8) |
| RAM | 2 KB |
| Digital I/O Pins | 37 pins |
| Timer Count | 2 x 16-bit timers |
| Supply Voltage Range | 1.98 V to 3.8 V |
| Package | 48-pin TQFP (7 x 7 mm) |
| Mounting Type | Surface mount |
| AES Hardware Accelerator | Present |
| ADC | Present |
| Low-Power Features | Energy-saving modes and fast wake-up |
| Core | ARM Cortex-M0+ |
EFM32ZG222F8-QFP48 48-pin tqfp (7 x 7 mm) Pin Configuration Guide
Pin configuration for EFM32ZG222F8-QFP48 (48-pin tqfp (7 x 7 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for EFM32ZG222F8-QFP48.
Refer to the datasheet for full pin configuration.
Typical Applications
EFM32ZG222F8-QFP48 is suitable for 6 applications: Low-Power Sensor Node, Industrial Environmental Monitor, Smart Building Controller, Portable Measurement Instrument, Battery-Powered Wearable Controller, Connected Embedded Control Module.
Low-Power Sensor Node
The EFM32ZG222F8-QFP48 fits low-power sensor nodes because its 24 MHz ARM Cortex-M0+ core provides responsive control while the Zero Gecko platform emphasizes fast wake-up times and energy-saving modes. The 8 KB Flash and 2 KB RAM are sufficient for compact acquisition, thresholding, and communication-control firmware when the application avoids large local buffers. Place the MCU beside the sensor and use its 37 digital I/O pins for interrupts, enables, and status signals. The principal design consideration is validating the exact sleep-mode current and wake-up latency against the battery budget rather than assuming a universal low-power figure.
Recommended
Industrial Environmental Monitor
The EFM32ZG222F8-QFP48 suits compact environmental monitors that combine periodic sensing with local alarms and status indicators. Its 2 KB RAM can process scaled measurements, while the 24 MHz core handles timers, digital filtering, and communications supervision. The 48-pin TQFP provides 37 digital I/O pins, reducing the need for parallel expansion components in modest industrial monitors. Use the verified 1.98 V to 3.8 V supply range as the starting constraint for the complete measurement chain, and confirm the manufacturer's analog and GPIO limits before assigning precision or high-voltage inputs.
Recommended
Smart Building Controller
The EFM32ZG222F8-QFP48 is appropriate for a compact smart-building endpoint that monitors switches, drives indicators, and coordinates low-power peripherals. Its 37 digital I/O pins provide a practical interface to occupancy inputs, relay-control signals, and status LEDs, while two 16-bit timers support periodic sensing and actuator timing. Energy-saving modes and fast wake-up help devices spend most of their time idle between events. The 8 KB Flash limit means the firmware should remain tightly structured, so reserve a higher-memory Zero Gecko sibling if networking stacks or application logic expand.
Recommended
Portable Measurement Instrument
The EFM32ZG222F8-QFP48 works in a portable measurement instrument where a low-power 32-bit MCU can perform calibration, control a front panel, and supervise a sensor interface. Its 24 MHz processing rate supports responsive control tasks, and the 37 digital I/O pins allow direct connection to switches, displays, and status indicators. The 48-pin TQFP package remains inspectable and compatible with conventional surface-mount assembly, which is useful for serviceable industrial products. Design validation should include analog-ground planning, input filtering, and the exact ADC characteristics required by the selected measurement front end.
Recommended
Battery-Powered Wearable Controller
The EFM32ZG222F8-QFP48 can serve as a battery-powered wearable controller because the manufacturer highlights low-energy techniques, fast wake-up behavior, and energy-saving modes. Its 2 KB RAM and 8 KB Flash favor event-driven firmware that samples a sensor, evaluates user input, and returns to sleep. The 37 digital I/O pins support compact sensors, haptic outputs, and button inputs without requiring a larger package. Battery-life validation must include the complete radio or sensor subsystem, because MCU-only energy figures do not describe the system-level load.
Recommended
Connected Embedded Control Module
The EFM32ZG222F8-QFP48 provides a compact control core for connected equipment that separates low-level I/O handling from a communications module. The 24 MHz Cortex-M0+ processor can supervise indicators, interlocks, and sensors, while the 8 KB Flash footprint keeps simple protocol and application tasks economical. Because the MCU has only 8 KB Flash, a higher-memory sibling may be required for a complex TCP/IP stack or local data buffering. The TQFP package also simplifies test access and visual inspection compared with a leadless fine-pitch package.
Recommended
Recommended Products Summary
Engineering reference data for EFM32ZG222F8-QFP48 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EFM32ZG222F8-B-QFP48 | EFM32ZG222F32-QFP48 | EFM32TG222F8-QFP48T | EFM32TG822F8-QFP48 |
|---|---|---|---|---|---|
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Package | 48-pin TQFP (7 x 7 mm) | 48-pin TQFP (7 x 7 mm) - same | 48-pin TQFP (7 x 7 mm) - same | 48-pin TQFP (7 x 7 mm) - same | 48-pin TQFP (7 x 7 mm) - same |
| CPU Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M3 | ARM Cortex-M3 |
| Maximum CPU Frequency | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz |
| Flash Memory | 8 KB (8K x 8) | 8 KB (8K x 8) | 32 KB | 8 KB | 8 KB |
Key Differentiators
- Lower-memory architecture preserves the exact verified 8 KB Flash and 2 KB RAM resource profile (vs EFM32ZG222F32-QFP48)
- ARM Cortex-M0+ core supports a compact low-power control implementation (vs EFM32TG222F8-QFP48T)
- Exact package and memory-class match with the orderable -B variant (vs EFM32ZG222F8-B-QFP48)
Design Notes
Design the supply rail around the verified 1.98 V to 3.8 V device range and place local decoupling close to the MCU supply pins. Because the supplied data does not state the exact pin names, capacitor value, or ESR requirement, those details must come from the manufacturer datasheet and reference design. This is especially important for sensor nodes where the MCU wakes rapidly and processes repeated conversions.
Use the 48-pin TQFP footprint with adequate solder-joint and tooling clearances, and route sensitive sensor or analog inputs away from switching nodes and high-current return paths. The exact land pattern and exposed-pad status are not present in the supplied data, so PCB engineers should use the official package drawing rather than infer dimensions from the 7 x 7 mm description.
Do not assume that every 48-pin TQFP MCU is a drop-in replacement. Firmware compatibility depends on the ARM Cortex-M0+ versus Cortex-M3 core, peripheral register implementation, clock tree, bootloader, and package pin assignments. Compare the complete manufacturer pin tables and migration documentation before approving EFM32ZG222F32, EFM32TG222F8, or another family member for an existing PCB.
Compliance Information
The supplied product and search data do not provide definitive compliance statements for the target MPN. Compliance must be confirmed from the current Silicon Labs product documentation before procurement.
