EFM32ZG210F32-QFN32 - 24MHz Cortex-M0+ 32KB Flash MCU | Silicon Labs
料号： EFM32ZG210F32-QFN32 ✓ 量产中EFM32ZG210F32-QFN32 概述
An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, memory and peripherals onto one die. The EFM32ZG210F32-QFN32 belongs to the EFM32 Zero Gecko family, a 32-bit microcontroller (MCU) line from Silicon Labs built around the low-power ARM Cortex-M0+ processor. In the wider semiconductor hierarchy it sits at the intersection of embedded processing and energy-conscious IoT design: MCU -> 32-bit microcontroller -> embedded processor -> integrated circuit.
Key features include an ARM Cortex-M0+ core clocked up to 24 MHz, 32 kB Flash with a pre-programmed UART bootloader, 4 kB of SRAM, 24 GPIO pins, two 16-bit timers, hardware AES encryption and an ADC. Low-power figures are the headline differentiator: as little as 0.5 µA in Stop mode and roughly 114 µA/MHz in Run mode, with fast wake-up from the deep sleep states.
Silicon Labs builds the device on its own energy-friendly platform, adding autonomous (interrupt-driven) peripherals so the CPU core can stay asleep while timers, ADC conversions and serial traffic continue. This reduces effective system energy rather than merely lowering the datasheet sleep current, which is what matters in coin-cell and energy-harvesting designs.
Typical uses include battery-powered sensor nodes, Bluetooth and Zigbee radio SoC companions, smart meters, industrial monitoring and asset-tracking tags, portable medical accessories and low-power consumer wearables. The 32-pin QFN footprint also suits compact remote-control and home-automation handsets.
When designing around this part, note that the 24 I/O pins are fewer than larger EFM32 packages offer, so plan pin multiplexing carefully for radio plus sensor plus UART designs. Also budget for the exposed pad's thermal path and for decoupling close to the supply pins.
This page synthesizes Silicon Labs specifications, drop-in alternatives and practical design guidance that is not gathered together in the manufacturer datasheet, helping engineers qualify the part faster.
直接替换替代料： EFM32ZG210F32-QFN32 ——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： EFM32ZG210F32-QFN32 （相同外形与封装尺寸） ——差异在于 Package, Flash Memory, Supply Voltage Range, Digital I/O Pins, Series.
EFM32ZG210F32-B-QFN32
✅ 直接替换📋 参考替代料（不在目录中）
EFM32ZG110F32-QFN32
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
EFM32TG210F32-QFN32
✅ 直接替换📋 参考替代料（不在目录中）
EFM32HG210F64G-C-QFN32
✅ 直接替换📋 参考替代料（不在目录中）
EFM32TG210F8-QFN32
✅ 直接替换联系询价
查看数据手册 →EFM32ZG210F32-QFN32 最大额定值与电气特性
| Core Processor | ARM Cortex-M0+ (32-bit) |
| 最大时钟频率 | 24 MHz |
| Flash Memory | 32 kB |
| RAM | 4 kB |
| Digital I/O Pins | 24 |
| Timers | 2 x 16-bit |
| Supply Voltage Range | 1.85 V to 3.8 V (single supply) |
| Nominal Supply Rails | 2.5 V / 3.3 V |
| Stop Mode Current | 0.5 µA (typical) |
| Run Mode Current | 114 µA/MHz |
| ADC | Yes (12-bit, on-chip) |
| Hardware Security | AES encryption accelerator |
| Bootloader | Pre-programmed UART bootloader |
| Series | EFM32 Zero Gecko |
| 工作温度范围 | -40 °C to +85 °C |
| 封装 | QFN-32 (6x6 mm) with exposed pad |
| 安装类型 | Surface Mount |
| Device Type | ARM Cortex-M0+ 32-bit Microcontroller (MCU) |
EFM32ZG210F32-QFN32 qfn-32 (6x6 mm) with exposed pad 引脚配置指南
EFM32ZG210F32-QFN32（qfn-32 (6x6 mm) with exposed pad 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： EFM32ZG210F32-QFN32.
请参阅 数据手册 以查看完整引脚配置。
典型应用
EFM32ZG210F32-QFN32 适用于 6 应用s: Battery-Powered IoT Sensor Nodes, Radio and Transceiver Companion Design, Smart Metering and Energy Measurement, Portable Medical and Wellness Accessories, Industrial Monitoring and Asset Tracking, Smart Home and Consumer Remote Controls.
Battery-Powered IoT Sensor Nodes
The EFM32ZG210F32-QFN32 fits duty-cycled wireless sensing nodes because it draws as little as 0.5 µA in Stop mode and wakes quickly to service a timer or ADC event. With 32 kB Flash, 4 kB RAM, 24 GPIO pins and a 12-bit ADC on board, a single node can host a radio interface, one or two sensors and a periodic uplink without a separate MCU. The 114 µA/MHz run figure keeps the active window short, extending coin-cell life far beyond what a generic 8-bit part would deliver. Autonomous peripheral operation lets the core stay idle while conversions finish.
推荐
Radio and Transceiver Companion Design
The EFM32ZG210F32-QFN32 is a natural companion controller for 2.4 GHz radio transceivers, where the MCU must parse short packets, run a simple protocol stack and stay off the air as much as possible. Twenty-four GPIO pins allow SPI or UART connection to the radio plus chip-select and interrupt lines, while the 24 MHz Cortex-M0+ core handles framing and ACK timing inside the 32 kB Flash budget. Fast wake-up from Stop mode means the node can sleep between beacons and still meet tight protocol timing without a higher-power core.
推荐
Smart Metering and Energy Measurement
Utility metering needs long battery life plus accurate analog measurement, and the EFM32ZG210F32-QFN32 delivers both through a single 1.85 V to 3.8 V supply and an on-chip ADC. A metering AFE feeds the MCU while the Zero Gecko sleep current of 0.5 µA keeps the idle drain dominated by the sensor chain rather than the controller. Twenty-four GPIO pins support pulse counting, tamper detection, LCD segment strobing and a maintenance UART, and the pre-programmed UART bootloader simplifies field firmware updates during meter commissioning without opening the enclosure.
推荐
Portable Medical and Wellness Accessories
Wearable wellness devices and portable diagnostic peripherals need low standby draw, a compact footprint and secure data handling, which the EFM32ZG210F32-QFN32 delivers in a 32-QFN (6x6 mm) package. The hardware AES accelerator offloads encryption of patient data or BLE payloads from the Cortex-M0+ core, cutting both energy and CPU cycles. The 24 GPIO pins allow direct attachment of a pulse sensor, display SPI interface and haptic driver, and the -40 °C to +85 °C range covers body-worn and handheld equipment in varying ambient conditions.
推荐
Industrial Monitoring and Asset Tracking
Condition-monitoring tags and industrial sensor nodes benefit from the EFM32ZG210F32-QFN32 because of its wide supply range (1.85 V to 3.8 V) and ability to run directly from industrial bus-derived rails after regulation, reducing the component count in a rugged enclosure. The 24 MHz Cortex-M0+ core with 32 kB Flash supports protocol conversion and local filtering, while autonomous timers and the ADC offload periodic sampling. The 32-QFN land pattern is compact enough for tag and gateway form factors, and hardware AES protects proprietary process data in transit over an industrial network.
推荐
Smart Home and Consumer Remote Controls
Battery-powered remote controls, key fobs and smart-home panels are classic duty-cycled applications where the EFM32ZG210F32-QFN32's 0.5 µA Stop current dominates the design life. A coin cell can power the node for years, with the MCU waking on a GPIO interrupt from a keypad or accelerometer, decoding the press, updating a small display over SPI and transmitting, then returning to Stop. Twenty-four GPIO pins cover capacitive touch keys and an LED driver, and the 6x6 mm QFN footprint suits the thin enclosures typical of remote controls.
推荐
推荐产品汇总
工程参考数据： EFM32ZG210F32-QFN32 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | EFM32ZG210F32-B-QFN32 | EFM32ZG110F32-QFN32 | EFM32TG210F32-QFN32 | EFM32HG210F64G-C-QFN32 | EFM32TG210F8-QFN32 |
|---|---|---|---|---|---|---|
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Package | QFN-32 (6x6 mm) | QFN-32 (6x6 mm) - same | QFN-32 (6x6 mm) - same | QFN-32 (6x6 mm) - same | QFN-32 (6x6 mm) - same | QFN-32 (6x6 mm) - same |
| Core Processor | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 |
| Maximum Clock Frequency | 24 MHz | 24 MHz | 24 MHz | 32 MHz | 24 MHz | 32 MHz |
| Flash Memory | 32 kB | 32 kB | 32 kB | 32 kB | 64 kB | 8 kB |
关键差异点
- Lower standby current for duty-cycled battery designs than the Cortex-M3-based alternatives （对比 EFM32TG210F32-QFN32)
- Identical-silicon second source for supply continuity （对比 EFM32ZG210F32-B-QFN32)
- Hardware AES accelerator offloads encryption from the core （对比 EFM32TG210F8-QFN32)
- Single 1.85 V to 3.8 V supply eliminates a regulator in the power tree （对比 EFM32HG210F64G-C-QFN32)
- 32 kB Flash with a pre-programmed UART bootloader supports field updates （对比 EFM32TG210F8-QFN32)
设计说明
Budget the entire energy budget around the Stop current, not just the run figure. With 0.5 µA in Stop mode and roughly 114 µA/MHz in Run mode at 24 MHz, the run window is about 2.7 mA while active. A node that wakes for 5 ms every 60 s spends only about 0.2 % of its life running, so average current stays in the tens of microamps. Use the on-chip ADC and timers to trigger wake events instead of polling, and disable unused peripherals and GPIO pins to avoid leakage paths through unused I/O.
Treat the QFN-32 exposed pad as a full ground plane connection, not just a thermal coupon. Tie the EP to the ground pour with a dense via array directly under the pad so that return currents from all 24 I/O pins have a low-impedance path; this reduces ground bounce during RF transmission and improves the effectiveness of the on-chip AES and ADC. Place the 100 nF decoupling capacitor on the supply pin closest to the package corner and add bulk capacitance nearby, keeping the loop between the capacitor and the pin as short as possible.
Do not migrate firmware between the Zero Gecko and Tiny Gecko families without re-checking the peripheral instance mapping. The Cortex-M0+ and Cortex-M3 cores use different interrupt vector layouts and register definitions, so a binary written for the EFM32ZG210F32-QFN32 will not run on the EFM32TG210F32-QFN32 even though both share the 32-QFN (6x6) land pattern. Treat the Tiny Gecko choice as a hardware-plus-firmware redesign, and confirm the family header and linker script in the Silicon Labs Simplicity Studio project settings.
Plan pin multiplexing early. Twenty-four digital I/O pins on a 32-QFN package look generous, but the same pins are typically shared with the ADC inputs, timers and serial peripherals. If your design needs SPI for a radio plus UART for debug plus several sensor inputs, map the pinmux in the device configuration header before committing to a PCB layout. Also reserve a UART or SWD debug header: the pre-programmed UART bootloader helps with recovery, but in-circuit debugging still needs debug access pads.
Estimated power-budget example using the published figures: at 24 MHz, run current is roughly 114 µA/MHz x 24 MHz = 2.74 mA. If the node runs 5 ms per minute, average current is about 0.5 µA (Stop) x 0.9992 plus 2.74 mA x 0.00083, which works out to roughly 2.8 µA average before peripheral leakage. On a 220 mAh coin cell that is about 3 years of theoretical life, showing why wake efficiency matters more than raw clock speed in this class of design.
合规信息
Compliance fields were not present in the verified web data for this part and are therefore reported as unknown rather than assumed. The device is a commercial/industrial-grade microcontroller rated -40 °C to +85 °C; no AEC-Q100 automotive-qualified variant was listed, so automotive designs should request the automotive-grade ordering option from Silicon Labs.
