EFM32ZG110F4-B-QFN24 - 24MHz Cortex-M0+ MCU | Silicon Labs
MPN： EFM32ZG110F4-B-QFN24 ✓ 啟用中EFM32ZG110F4-B-QFN24 概覽
A microcontroller is a programmable semiconductor that integrates a processor core, memory, peripherals, and I/O into a single device. The EFM32ZG110F4-B-QFN24 belongs to the Zero Gecko family of 32-bit ARM Cortex-M0+ microcontrollers, a low-power platform within the broader embedded processor and power-management IC hierarchy. Its 4 KB Flash and 2 KB RAM are intended for compact control tasks rather than resource-intensive applications such as graphics processing or large protocol stacks.
Key features include a 24 MHz ARM Cortex-M0+ core, 4 KB Flash, 2 KB RAM, 17 digital I/O pins, and two 16-bit timers. The manufacturer datasheet also describes consumption as low as 0.5 microamp in Stop mode and 114 microamps per MHz in Run mode. These figures make the device suitable for battery-operated and duty-cycled systems where average energy use is more important than peak processing throughput.
The Zero Gecko platform uses low-energy techniques, energy-saving operating modes, and fast wake-up behavior. The device is suited to applications that periodically measure an input, process a small amount of data, and return to a low-power state. The 24-QFN package provides a compact 5 x 5 mm surface-mount footprint, but its exposed thermal and electrical requirements should be reviewed against the manufacturer package drawing and layout guidance before PCB release.
Typical applications include smart meters, gas and water meters, energy measurement, sensor nodes, industrial monitoring, portable sensing, and low-power consumer devices. In each case, the MCU can execute control logic while its low-power modes reduce consumption during idle intervals. The available 4 KB Flash should be checked carefully against firmware size, bootloader requirements, and application update needs.
Designers should verify the operating supply range, pin multiplexing, package thermal performance, and peripheral assignments in the manufacturer datasheet. Because this device is a low-memory MCU, firmware architecture matters: interrupt handling, library use, and calibration data can materially affect the available code and RAM budget.
This page combines verified manufacturer specifications, distributor references, package details, and practical low-power design guidance. It also distinguishes same-package alternatives from parts that require different memory capacity or package options, helping engineers evaluate replacement decisions without assuming that every 24-QFN Zero Gecko device is electrically and functionally interchangeable.
直接替換替代品，適用於 EFM32ZG110F4-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： EFM32ZG110F4-B-QFN24 （相同外形與佔位） — 差異在於 Architecture, Maximum CPU Frequency, Package, Processor Core, Series.
EFM32ZG110F32-QFN24
✅ 直接替換📋 參考替代品（不在目錄中）
EFM32ZG108F8-B-QFN24R
✅ 直接替換📋 參考替代品（不在目錄中）
EFM32ZG108F4-QFN24T
✅ 直接替換📋 參考替代品（不在目錄中）
EFM32TG108F4-QFN24
✅ 直接替換聯絡詢價
查看資料表 →EFM32ZG110F4-B-QFN24R
✅ 直接替換📋 參考替代品（不在目錄中）
EFM32ZG110F4-B-QFN24 最大額定值與電氣特性
| Processor Core | ARM Cortex-M0+ |
| Maximum CPU Frequency | 24 MHz |
| Architecture | 32-bit |
| Flash Memory | 4 KB |
| RAM | 2 KB |
| Digital I/O Pins | 17 |
| Timer Count | 2 x 16-bit |
| Supply Voltage Range | 1.98 V to 3.8 V |
| Stop Mode Current | 0.5 microamp minimum |
| Run Mode Current | 114 microamps per MHz |
| Series | EFM32 Zero Gecko |
| 封裝 | 24-QFN (5 x 5 mm) |
| 安裝類型 | Surface Mount |
| Low-Power Features | Energy-saving modes and fast wake-up |
EFM32ZG110F4-B-QFN24 24-qfn (5 x 5 mm) 腳位配置指南
EFM32ZG110F4-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： EFM32ZG110F4-B-QFN24.
請參閱 資料表 以查看完整腳位配置。
典型應用
EFM32ZG110F4-B-QFN24 適用於 6 應用s: Smart Water Metering, Gas and Energy Metering, Industrial Sensor Node, Battery-Powered Environmental Monitor, Portable Wearable Device, Smart Home Actuator Controller.
Smart Water Metering
The EFM32ZG110F4-B-QFN24 fits compact water-metering nodes that periodically measure flow, update a display, and return to sleep. Its 24 MHz ARM Cortex-M0+ core provides sufficient control performance for pulse counting and sensor conditioning, while the 4 KB Flash and 2 KB RAM limit the firmware footprint. The 0.5 microamp Stop-mode figure supports a duty-cycled architecture, but the system designer must include valve or pump control requirements in the memory budget. A regulator, sensor interface, and low-leakage measurement path should be reviewed for energy use.
推薦
Gas and Energy Metering
The EFM32ZG110F4-B-QFN24 is appropriate for gas, water, and energy-metering products that prioritize energy efficiency and autonomous operation. Its 24 MHz Cortex-M0+ core can execute compact measurement and communication-control routines, and the device is specified at 114 microamps per MHz in Run mode and as low as 0.5 microamp in Stop mode. The 4 KB Flash is adequate only for tightly controlled firmware, so protocol buffers and metering algorithms should be sized carefully. External flash or a larger-memory MCU may be preferable for complex communications.
推薦
Industrial Sensor Node
The EFM32ZG110F4-B-QFN24 can serve as the local controller in a small industrial sensor node that samples an analog or digital transducer and reports a status. Its 17 digital I/O pins and two 16-bit timers support basic sensing, debouncing, timing, and actuator-control functions, while the 24-QFN (5 x 5 mm) package preserves board area. The main constraint is memory: 4 KB Flash and 2 KB RAM limit middleware and buffering. Designers should also verify supply tolerance, industrial temperature requirements, and EMI performance against the target enclosure.
推薦
Battery-Powered Environmental Monitor
The EFM32ZG110F4-B-QFN24 is well suited to a battery-powered environmental monitor because it combines a 24 MHz control core with Stop-mode consumption as low as 0.5 microamp. A duty-cycled design can wake, sample temperature or humidity, store a short history, and sleep again without continuously powering the processor. The compact 24-QFN footprint also helps reduce PCB size, although the 4 KB Flash and 2 KB RAM limit calibration tables and application code. A low-quiescent regulator and sensor with controllable sleep current are required for meaningful battery-life estimates.
推薦
Portable Wearable Device
The EFM32ZG110F4-B-QFN24 can be used in a small wearable or personal-device controller when the workload consists of simple button handling, haptic control, and periodic sensor sampling. Its compact 24-QFN package and low-power architecture support space-constrained designs, and the two 16-bit timers help implement debounce, pulse measurement, and periodic events. The 4 KB Flash is the primary limitation, particularly when Bluetooth, display, or extensive user-interface code is required. In a wearable, verify current draw in every operating state and confirm that the manufacturer power specification applies to the intended voltage and temperature range.
推薦
Smart Home Actuator Controller
The EFM32ZG110F4-B-QFN24 can control a compact smart-home actuator, such as a motorized valve, relay, or simple valve controller. Seventeen digital I/O pins and two 16-bit timers provide resources for switch sensing, timing, status indication, and motor-control sequencing, while the 24 MHz core supports deterministic control loops. Because the MCU has only 4 KB Flash and 2 KB RAM, application logic must remain small and external communication should be handled conservatively. The design must include protection for inductive or motor loads, and the thermal behavior of the QFN package should be evaluated at the expected switching rate.
推薦
推薦產品摘要
工程參考資料，適用於 EFM32ZG110F4-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 | EFM32ZG110F32-QFN24 | EFM32ZG108F8-B-QFN24R | EFM32ZG108F4-QFN24T | EFM32TG108F4-QFN24 | EFM32ZG110F4-B-QFN24R |
|---|---|---|---|---|---|---|
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Package | 24-QFN (5 x 5 mm) | 24-QFN (5 x 5 mm) | 24-QFN | 24-QFN | 24-QFN | 24-QFN (5 x 5 mm) |
| Flash Memory | 4 KB | 32 KB | 8 KB, indicated by F8 designation | 4 KB | 4 KB | 4 KB |
主要差異化特點
- Low-power operating characteristics (對比EFM32TG108F4-QFN24)
- Compact 24-QFN integration (對比EFM32ZG108F4-QFN24T)
- Memory expansion option within the same family (對比EFM32ZG110F32-QFN24)
設計說明
Build the power budget from the actual duty cycle rather than the 24 MHz maximum frequency. The manufacturer data cites 114 microamps per MHz in Run mode and as little as 0.5 microamp in Stop mode. Enter the measured wake duration, sleep duration, and supply voltage into the average-current calculation, then add regulator quiescent current, sensor leakage, and pull-network current. This prevents an optimistic battery-life estimate that ignores always-on peripheral behavior.
Place the MCU close to the decoupling network and route power and ground using the manufacturer recommended layout. The 24-QFN package has a 5 x 5 mm body and requires attention to exposed-pad soldering and land-pattern tolerances. Confirm pin functions and exposed-pad connections against the official package drawing because the verified excerpts do not provide a complete pin map. Validate the assembled board for shorts and inspect the exposed pad under magnification.
Do not select the MCU based only on its 24 MHz clock and 4 KB Flash rating. Libraries, startup code, interrupt vectors, calibration tables, and a bootloader can consume much of the available Flash, while stack depth can exhaust the 2 KB RAM. Check the compiled map file for both memory types and reserve margin for future functions. For field-updatable products, plan storage or external memory rather than relying on the internal 4 KB.
Keep switching regulators, sensor analog paths, and communication lines separated from sensitive measurement circuitry. If the board contains a wireless module or pulsed sensor, control its supply separately or add filtering so that the MCU's fast switching edges do not corrupt measurements. Grounding and shielding must be verified in the final enclosure because an exposed QFN package alone does not determine system EMC performance.
合規資訊
The supplied verified excerpts do not state the target part's RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is not applicable because the verified product type is a general-purpose microcontroller rather than an automotive-qualified part.