EFM32G232F128G-E-QFP64R - 32MHz Cortex-M3 MCU 128KB Flash | Silicon Labs
MPN: EFM32G232F128G-E-QFP64R ✓ Hoạt độngEFM32G232F128G-E-QFP64R Tóm tắt
A microcontroller (MCU) is an integrated circuit that combines a processor core, program and data memory, peripherals, and interrupt logic on a single chip. The Cortex-M3 family is a 32-bit RISC core designed for embedded applications, balancing deterministic interrupt latency, Thumb-2 instruction efficiency, and a tightly integrated NVIC. The EFM32G "Gecko" family belongs to the broader ARM Cortex-M MCU ecosystem within Silicon Labs' energy-friendly portfolio, positioning it between 8-bit MCUs and higher-end Cortex-M4 application processors.
Key features of the EFM32G232F128G-E-QFP64R include 0.6 uA Stop mode current (RTC running), 180 uA/MHz Run mode current, hardware AES-128 encryption accelerator, 12-bit ADC, 8-channel DMA, integrated LCD controller, and 2x analog comparator plus 3x operational amplifier (op-amp) blocks. This peripheral integration reduces external bill-of-materials for sensor and metering designs, while the autonomous LESENSE block can scan capacitive or inductive sensors in deep sleep.
The architecture centers on a low-leakage CMOS process and energy-modes-aware clock gating, allowing the device to enter EM2/EM3 deep-sleep states while still triggering wakeup from GPIO, RTC, or LESENSE events. The peripheral reflex system (PRS) routes peripheral events over dedicated fabric channels, offloading routine signal routing from the CPU and enabling sub-microsecond response without leaving sleep.
Typical applications include battery-powered IoT sensor nodes, smart HVAC thermostats, water/gas utility metering, wireless sensor hubs front-ending sub-GHz radios, wearable health patches, and industrial asset tracking tags. The on-chip AES-128 block and 128KB Flash also suit retrofit devices that need authenticated firmware updates over BLE/Zigbee companion ICs.
When designing with the EFM32G232F128G-E-QFP64R, budget decoupling capacitors close to every VDD/VDD_x pair, route the 32kHz crystal traces symmetrically, and leverage the EFM32 CMSIS-Pack and Simplicity Studio for peripheral configuration to avoid hidden power draw from misconfigured GPIO retention modes.
This page synthesizes distributor stock, parametric cross-references, and design guidance beyond the manufacturer datasheet, helping engineers select drop-in same-package variants and understand where this Gecko MCU fits within the wider ARM Cortex-M3 landscape.
Bộ thay thế dễ dàng lắp đặt cho EFM32G232F128G-E-QFP64R — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với EFM32G232F128G-E-QFP64R (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, RAM, Flash Memory, Run Mode Current.
EFM32G232F128G-E-QFP64
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EFM32G232F64-QFP64T
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EFM32G230F128G-E-QFP64R
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
EFM32G232F128G-E-QFP64
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EFM32WG332F128-QFP64
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
STM32F103C8T6
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EFM32G232F128G-E-QFP64R Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M3 (32-bit) |
| Family | EFM32 Gecko |
| Series | EFM32G232 |
| Maximum CPU Clock | 32 MHz |
| Program Memory (Flash) | 128 KB (128K x 8) |
| RAM | 16 KB |
| AES Hardware Accelerator | Yes (AES-128) |
| Supply Voltage (Vdd) | 1.98 V to 3.8 V |
| I/O Pins | 53 |
| ADC | 12-bit SAR |
| DMA Channels | 8 |
| Operational Amplifiers | 3 (on-chip) |
| Analog Comparators | 2 |
| LCD Controller | Yes (up to 8x36 segments) |
| LESENSE | Yes (Low Energy Sensor Interface) |
| Stop Mode Current (RTC running) | 0.6 uA typical |
| Run Mode Current | 180 uA/MHz |
| Nhiệt độ hoạt động | -40 C to +85 C |
| Hộp | 64-TQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 (168 hours) |
| Trạng thái RoHS | Compliant |
Cấu hình chân EFM32G232F128G-E-QFP64R
| Chân 1 | VDD — Main supply voltage |
| Chân 2 | PC0 — GPIO / op-amp output |
| Chân 3 | PC1 — GPIO / op-amp positive input |
| Chân 4 | PC2 — GPIO / op-amp negative input |
| Chân 5 | PC3 — GPIO / op-amp output 2 |
| Chân 6 | PC4 — GPIO / op-amp positive input 2 |
| Chân 7 | PC5 — GPIO / op-amp negative input 2 |
| Chân 8 | PC6 — GPIO / op-amp output 3 |
| Chân 9 | PC7 — GPIO / op-amp positive input 3 |
| Chân 10 | PC8 — GPIO / op-amp negative input 3 |
| Chân 11 | PC9 — GPIO |
| Chân 12 | VSS — Digital ground |
| Chân 13 | PA0 — GPIO / analog input |
| Chân 14 | PA1 — GPIO / analog input |
| Chân 15 | PA2 — GPIO / analog input |
| Chân 16 | PA3 — GPIO / analog input |
| Chân 17 | PA4 — GPIO / analog input |
| Chân 18 | PA5 — GPIO / analog input |
| Chân 19 | PA6 — GPIO / analog input |
| Chân 20 | PA7 — GPIO / analog input |
| Chân 21 | PA8 — GPIO |
| Chân 22 | PA9 — GPIO |
| Chân 23 | PA10 — GPIO |
| Chân 24 | PA11 — GPIO |
| Chân 25 | PA12 — GPIO |
| Chân 26 | PA13 — SWDIO (programming) |
| Chân 27 | PA14 — SWCLK (programming) |
| Chân 28 | PA15 — GPIO / comparator input |
| Chân 29 | PB0 — GPIO / comparator input |
| Chân 30 | PB1 — GPIO |
| Chân 31 | PB2 — GPIO |
| Chân 32 | PB3 — GPIO |
| Chân 33 | PB4 — GPIO |
| Chân 34 | PB5 — GPIO |
| Chân 35 | PB6 — GPIO |
| Chân 36 | PB7 — GPIO / LCD segment |
| Chân 37 | PB8 — GPIO / LCD segment |
| Chân 38 | PB9 — GPIO / LCD segment |
| Chân 39 | PB10 — GPIO / LCD segment |
| Chân 40 | PB11 — GPIO / LCD segment |
| Chân 41 | PB12 — GPIO / LCD segment |
| Chân 42 | PB13 — GPIO / LCD segment |
| Chân 43 | PB14 — GPIO / LCD segment |
| Chân 44 | PB15 — GPIO / LCD segment |
| Chân 45 | PC10 — GPIO / LESENSE |
| Chân 46 | PC11 — GPIO / LESENSE |
| Chân 47 | PC12 — GPIO / LESENSE |
| Chân 48 | PC13 — GPIO / LESENSE |
| Chân 49 | PC14 — GPIO / LESENSE |
| Chân 50 | PC15 — GPIO / LESENSE |
| Chân 51 | PD0 — GPIO |
| Chân 52 | PD1 — GPIO |
| Chân 53 | PD2 — GPIO |
| Chân 54 | PD3 — GPIO |
| Chân 55 | PD4 — GPIO |
| Chân 56 | PD5 — GPIO |
| Chân 57 | PD6 — GPIO |
| Chân 58 | PD7 — GPIO |
| Chân 59 | PD8 — GPIO |
| Chân 60 | PD9 — GPIO |
| Chân 61 | RESETn — Active-low reset input |
| Chân 62 | XTAL32K_P — 32.768 kHz crystal positive |
| Chân 63 | XTAL32K_N — 32.768 kHz crystal negative |
| Chân 64 | VSS — Digital ground |
Ứng dụng tiêu biểu
EFM32G232F128G-E-QFP64R phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Nodes, Smart HVAC Thermostats, Water and Gas Utility Metering, Wearable Health Patches, Wireless Sensor Hub Front-End, Industrial Asset Tracking Tags.
Battery-Powered IoT Sensor Nodes
The EFM32G232F128G-E-QFP64R's 0.6 uA Stop-mode current and autonomous LESENSE block make it ideal for coin-cell or 2xAA sensor nodes that spend most of their life asleep. The Cortex-M3 wakes only on GPIO, RTC, or LESENSE events, allowing temperature, humidity, or vibration scans without CPU intervention. The 128 KB Flash fits Zigbee or BLE-MAC firmware stacks via companion radio ICs, while the on-chip AES-128 secures OTA updates. Power budget: at 1 wake per minute, average current stays well under 10 uA, giving years of life on a CR2032.
Được đề xuất
Smart HVAC Thermostats
The EFM32G232F128G-E-QFP64R integrates a 12-bit ADC, 3 op-amps, and an LCD controller in a single TQFP-64, removing the need for a separate display driver or analog front end. The op-amps condition thermistor and humidity sensor signals directly, while the LCD controller drives a 4x32 segment glass display. AES-128 enables secure WiFi/BLE commissioning handshakes. Run-mode current of 180 uA/MHz keeps wall-power consumption low, and the Cortex-M3's deterministic NVIC handles UI button debounce reliably.
Được đề xuất
Water and Gas Utility Metering
Utility metering requires 10+ year battery life, tamper detection, and authenticated firmware updates, all of which the EFM32G232F128G-E-QFP64R delivers. The LESENSE block scans inductive flow sensors without CPU wakeup, while the AES-128 accelerator signs consumption logs for backhaul. 128 KB Flash fits DLMS/COSEM or Wireless M-Bus stacks plus a bootloader. The Stop current of 0.6 uA allows lithium-thionyl chloride cells to last 15 years on a typical meter duty cycle.
Được đề xuất
Wearable Health Patches
Wearable ECG/temperature patches benefit from the EFM32G232F128G-E-QFP64R's tiny 0.6 uA Stop current and on-chip 12-bit ADC for biosignal acquisition. The 32 MHz Cortex-M3 runs heart-rate algorithms while AES-128 encrypts BLE data streams. The 3 internal op-amps condition ECG electrodes without external analog ICs, shrinking the BOM for a body-worn patch. 128 KB Flash supports real-time OS kernels and BLE-MAC stacks paired with a sub-GHz or 2.4 GHz radio companion.
Được đề xuất
Wireless Sensor Hub Front-End
Front-ending a sub-GHz radio like CC1101 or SX1276, the EFM32G232F128G-E-QFP64R provides the host CPU, AES-128 link-layer security, and 128 KB Flash for proprietary or 6LoWPAN stacks. SPI, UART, and I2C peripherals connect to radios and sensors, while DMA offloads packet handling from the Cortex-M3. The 32 MHz clock supports full 802.15.4g frame processing, and deep-sleep EM2 mode holds the entire sensor hub under 1 uA between transmissions.
Được đề xuất
Industrial Asset Tracking Tags
Asset tracking tags with BLE or LoRa need AES-128 authentication, accelerometer tap-detection, and years of standby life, all provided by the EFM32G232F128G-E-QFP64R. The LESENSE interface can wake on motion via external sensor, while AES-128 signs BLE beacons for fleet authentication. 128 KB Flash fits firmware with on-device sensor fusion. The 64-TQFP supports standard reflow profiles, and -40C to +85C operating range handles cold-chain and outdoor deployments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EFM32G232F128G-E-QFP64R — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | EFM32G232F128G-E-QFP64 | EFM32G232F64-QFP64T | EFM32G230F128G-E-QFP64R | EFM32WG332F128-QFP64 | STM32F103C8T6 |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | STMicroelectronics |
| Core | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M4F + DSP | ARM Cortex-M3 |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 48 MHz | 72 MHz |
| Flash | 128 KB | 128 KB | 64 KB | 128 KB | 128 KB | 64 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 32 KB | 20 KB |
| AES-128 Hardware | Yes | Yes | Yes | Yes | Yes | No (firmware AES only) |
| Stop Mode Current (typ) | 0.6 uA | 0.6 uA | 0.6 uA | 0.6 uA | 0.65 uA | 20 uA (Stop) |
| Operating Voltage | 1.98 V to 3.8 V | 1.98 V to 3.8 V | 1.98 V to 3.8 V | 1.98 V to 3.8 V | 1.98 V to 3.8 V | 2.0 V to 3.6 V |
| GPIO Count | 53 | 53 | 53 | 53 | 53 | 37 |
Bảo phân biệt quan trọng
- On-chip AES-128 hardware accelerator (vsSTM32F103C8T6)
- Integrated 3 op-amps and 2 comparators in same package (vsEFM32G232F64-QFP64T)
- Sub-microamp Stop current with autonomous peripherals (vsSTM32F103C8T6)
Ghi chú thiết kế
Estimated: at 32 MHz active operation with all peripherals clocked, the EFM32G232F128G-E-QFP64R draws approximately 5.8 mA (32 MHz x 180 uA/MHz) before GPIO toggling. To hit the 0.6 uA Stop-current datasheet number, ensure unused GPIOs are configured in lowest-leakage mode (GPIO_Pn_CTRL = DISABLED), the analog blocks are gated, and the HFRCO/HFXO are shut down before entering EM3 deep-sleep. Bursty tasks should keep the CPU in EM1 with peripheral reflex offloading, not EM0.
Place the 32.768 kHz crystal within 5 mm of pins 62/63 with a ground guard ring and symmetrical trace lengths to avoid duty-cycle distortion that can disrupt RTC accuracy. Decoupling: place a 100 nF X7R 0402 within 1 mm of every VDD pin and a shared 4.7 uF bulk capacitor at the package corner. Route SWDIO/SWDCLK away from switching regulator edges to avoid programming glitches during in-circuit debug.
Common pitfalls include (1) leaving unused op-amps powered in EM2, leaking ~50 uA each; (2) failing to disable the HFXO before entering EM3, which prevents Stop mode; (3) using the wrong CMSIS device pack in Simplicity Studio, which can cause flash lock-bits to be set wrongly; (4) forgetting to enable the LESENSE reference voltage, causing unstable sensor scans. Reference the EFM32G230/232 reference manual energy-mode sections before locking in a power budget.
Thông tin tuân thủ
RoHS compliance per DigiKey and Silicon Labs product listing. Operating temperature -40C to +85C (industrial grade, not AEC-Q100 automotive qualified).
