EFM32ZG108F8-B-QFN24 - 24MHz Cortex-M0+ MCU | Silicon Labs
MPN： EFM32ZG108F8-B-QFN24 ✓ 啟用中EFM32ZG108F8-B-QFN24 概覽
A microcontroller is a programmable semiconductor that integrates a processor core, memory, digital I/O, and peripherals into one device. The EFM32ZG is an ARM Cortex-M0+ MCU, a low-complexity 32-bit processor class commonly used for embedded control. Within the product hierarchy, it is a microcontroller, then an embedded processor, then a semiconductor and power-management platform. Its low-power architecture targets applications in which average energy use matters as much as processing performance.
Three headline capabilities distinguish the EFM32ZG108F8-B-QFN24: a maximum operating frequency of 24 MHz, 8 KB of Flash memory, and as little as 0.5 uA in Stop mode. The family also supports two 16-bit timers and AES-equipped variants, while the verified device listing identifies 2 KB of RAM and 17 digital I/O pins. These resources support compact control logic, sensor acquisition, communication peripherals, and low-duty-cycle battery-powered products.
The EFM32ZG platform emphasizes efficient operation rather than benchmark throughput. Run-mode consumption is stated as 114 uA/MHz, while Stop mode can reach 0.5 uA. Autonomous peripheral operation allows selected hardware functions to continue working with reduced processor involvement, helping control overall energy use. The 24 MHz Cortex-M0+ core provides sufficient performance for protocol handling, control loops, and firmware that does not require a higher-performance Cortex-M3, M4, or M7 core.
Typical uses include battery-powered sensors, smart energy meters, industrial monitoring nodes, compact consumer accessories, and connected embedded products. The 24-QFN package also makes the device suitable for space-constrained designs where a small PCB footprint is valuable. System designers should account for the limited 8 KB Flash and 2 KB RAM when organizing firmware and data storage.
PCB implementation requires careful handling of the separate AVDD_x, VDD_DREG, and IOVDD_x power domains identified in the manufacturer documentation. These supply-related pins must be connected together at the PCB level, with filtering applied where appropriate. Designers should follow Silicon Labs application note AN0002, "EFM32 Hardware Design Considerations," for recommended decoupling, layout, and schematic practices.
This product page consolidates verified manufacturer specifications, distributor availability references, same-family drop-in candidates, and practical design guidance. It also distinguishes confirmed values from parameters that require datasheet review, helping engineers evaluate the EFM32ZG108F8-B-QFN24 without mistaking incomplete search data for a complete component specification.
直接替換替代品，適用於 EFM32ZG108F8-B-QFN24 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： EFM32ZG108F8-B-QFN24 （相同外形與佔位） — 差異在於 Package.
EFM32ZG108F8-QFN24
✅ 直接替換聯絡詢價
查看資料表 →EFM32ZG108F32-B-QFN24
✅ 直接替換📋 參考替代品（不在目錄中）
EFM32ZG108F4-QFN24
✅ 直接替換📋 參考替代品（不在目錄中）
EFM32ZG108F8-B-QFN24 最大額定值與電氣特性
| Product Type | 32-bit ARM Cortex-M0+ microcontroller |
| Series | EFM32 Zero Gecko |
| Maximum CPU Frequency | 24 MHz |
| Processor Core | ARM Cortex-M0+ |
| Flash Memory | 8 KB |
| RAM | 2 KB |
| Digital I/O Pins | 17 |
| Timers | 2 x 16-bit |
| 工作電源電壓 | 1.98 V to 3.8 V |
| Stop Mode Current | 0.5 uA |
| Run Mode Current | 114 uA/MHz |
| 封裝 | 24-QFN, 5 x 5 mm |
| 安裝類型 | Surface Mount |
| Cryptographic Support | AES |
EFM32ZG108F8-B-QFN24 24-qfn, 5 x 5 mm 腳位配置指南
EFM32ZG108F8-B-QFN24（24-qfn, 5 x 5 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： EFM32ZG108F8-B-QFN24.
請參閱 資料表 以查看完整腳位配置。
典型應用
EFM32ZG108F8-B-QFN24 適用於 6 應用s: Battery-Powered Environmental Sensors, Smart Energy Metering, Industrial Monitoring and Control, Connected Wearable Accessories, Metering and Gas Appliance Interfaces, Compact Consumer Accessories.
Battery-Powered Environmental Sensors
The EFM32ZG108F8-B-QFN24 fits compact environmental sensing nodes because its EFM32ZG platform can reach 0.5 uA in Stop mode while retaining a 24 MHz ARM Cortex-M0+ core for acquisition and local processing. The 17 digital I/O pins can support sensor enables, interrupt lines, and digital status inputs, while two 16-bit timers provide periodic sampling or interface timing. Its 8 KB Flash and 2 KB RAM are adequate for compact firmware when measurements are streamed rather than stored locally. A board designer should keep the radio and sensor off during long sleep intervals and follow AN0002 for supply filtering.
推薦
Smart Energy Metering
The EFM32ZG108F8-B-QFN24 is appropriate for a compact smart-metering measurement module where low standby consumption, local control, and serial communications are required. The 24 MHz Cortex-M0+ core can supervise measurement intervals, process digital sensor outputs, and handle communication framing, while the two 16-bit timers support accurate interval generation. The device's 1.98 V to 3.8 V operating range suits low-energy systems with a regulated supply. Firmware size must be monitored because 8 KB Flash and 2 KB RAM are modest for protocol stacks, calibration tables, and buffering.
推薦
Industrial Monitoring and Control
The EFM32ZG108F8-B-QFN24 can serve as the local controller in a compact industrial monitoring node that gathers digital equipment status and reports exceptions through a serial or low-power communications interface. Its 17 GPIO pins support switches, alarm inputs, status LEDs, and peripheral control lines, while two 16-bit timers help implement measurement windows and periodic service tasks. The small 5 x 5 mm QFN-24 package supports dense equipment designs. For industrial deployments, verify the exact temperature rating, isolation requirements, and EMC design because those details are not available in the supplied excerpts.
推薦
Connected Wearable Accessories
The EFM32ZG108F8-B-QFN24 is suitable for compact wearable accessories in which battery life and physical size are important. Its Stop-mode current can reach 0.5 uA, allowing the controller to remain dormant between user interactions or data transfers, and the 24 MHz core handles button logic, sensor supervision, and short packet processing. The QFN-24 5 x 5 mm package limits board area, while 17 digital I/O pins provide enough connectivity for simple sensors and interfaces. Keep radio activity and sensor bias current outside the MCU's stated current figures when calculating total wearable battery life.
推薦
Metering and Gas Appliance Interfaces
The EFM32ZG108F8-B-QFN24 can support gas, water, and utility-meter interface electronics that periodically read sensors and report status through a communications channel. The verified manufacturer material identifies energy, gas, water, and smart-metering use cases for the EFM32ZG family, and the device's 24 MHz Cortex-M0+ core is sufficient for basic measurement sequencing and protocol handling. Two 16-bit timers and 17 GPIO pins simplify peripheral integration. Designers should confirm that the selected sensor, radio, and regulator remain active during the MCU's sleep interval and budget firmware within the available 8 KB Flash.
推薦
Compact Consumer Accessories
The EFM32ZG108F8-B-QFN24 works in small consumer accessories that require reliable control, low idle consumption, and a modest amount of embedded processing. The Cortex-M0+ core can manage button inputs, indicator outputs, simple sensor fusion, and communication handshakes without consuming the resources of a higher-end processor. The 24-QFN package simplifies high-density placement, and Stop-mode operation can reduce standby drain when the accessory is inactive. Product developers must validate the ordering-code temperature grade, battery regulator behavior, and mechanical footprint against the complete manufacturer datasheet before release.
推薦
推薦產品摘要
工程參考資料，適用於 EFM32ZG108F8-B-QFN24 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | EFM32ZG108F8-QFN24 | EFM32ZG108F32-B-QFN24 | EFM32ZG108F4-QFN24 |
|---|---|---|---|---|
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Package | QFN-24 (5x5) | QFN-24 (5x5) | QFN-24 (5x5) | QFN-24 (5x5) |
| Processor Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum CPU Frequency | 24 MHz | 24 MHz | 24 MHz | 24 MHz |
| Flash Memory | 8 KB | 8 KB | 32 KB | 4 KB |
主要差異化特點
- Same 8 KB configuration without the requested -B ordering code (對比EFM32ZG108F8-QFN24)
- Four times the Flash memory of the target (對比EFM32ZG108F32-B-QFN24)
- Lower-memory option retains the same family platform (對比EFM32ZG108F4-QFN24)
設計說明
Silicon Labs specifies that AVDD_x, VDD_DREG, and IOVDD_x must be connected together at the PCB level, with optional filtering where appropriate. Use the manufacturer EFM32ZG datasheet and application note AN0002, "EFM32 Hardware Design Considerations," to select decoupling and supply-filter values. The verified operating range is 1.98 V to 3.8 V, but the regulator must also meet transient, sequencing, and current requirements under the selected operating mode.
Place the decoupling components and their ground returns close to the associated supply pins, and keep sensitive analog and communication routing away from noisy switching nodes. The EFM32ZG108F8-B-QFN24 uses a compact QFN-24 5 x 5 mm package, so adequate assembly clearance, exposed-pad soldering, and stencil design are essential. Because the supplied excerpts do not provide the complete land pattern or exposed-pad requirements, use the exact dimensions and land pattern from the official package drawing rather than scaling a generic QFN footprint.
Do not assume that a 24-QFN package or a 24 MHz clock rate proves MCU interchangeability. Firmware depends on peripheral placement, alternate-function mapping, interrupt routing, flash size, and startup support. The verified alternative data confirms same-family devices in QFN-24, but exact pin compatibility must be checked against the manufacturer pin tables before changing the BOM. Also budget the target's limited 8 KB Flash and 2 KB RAM early in firmware planning.
The published 0.5 uA Stop-mode figure and 114 uA/MHz Run-mode figure describe the MCU under specified test conditions, not the complete product. Include the sensor, radio, pull resistors, regulator quiescent current, and leakage paths when calculating battery life. Use the EFM32ZG family modes and peripheral-autonomy features to reduce active processor time, and measure the assembled board because PCB leakage and external component selection can dominate the final low-power result.
合規資訊
The supplied manufacturer and distributor excerpts do not explicitly state the target part's RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. The verified datasheet search result is titled "PDF EFM32ZG Data Sheet - Silicon Labs" but does not provide the compliance text needed to assign those fields.
