EFM32G232F128-QFP64 - 32MHz ARM Cortex-M3 MCU, 128KB Flash, 64-TQFP | Silicon Labs
MPN: EFM32G232F128-QFP64 ✓ Hoạt độngEFM32G232F128-QFP64 Tóm tắt
An MCU (microcontroller) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a configurable set of analog and digital peripherals. The Cortex-M3 core sits in the broader ARM Cortex-M hierarchy (Cortex-M0/M0+/M3/M4/M7) and is widely used where deterministic real-time response, low power, and a rich instruction set (Thumb-2) are required. Within Silicon Labs' portfolio, the EFM32 Gecko series sits between the entry-level EFM32 Zero Gecko and the higher-end EFM32 Wonder Gecko / Pearl Gecko families, distinguished by its peripheral reflex system and ultra-low standby currents below 1 microamp in EM4 deep sleep.
Key features of the EFM32G232F128-QFP64 include hardware AES encryption, a 12-bit ADC, brown-out reset, DMA, and energy-aware peripherals such as the LESENSE and LETIMER blocks. Communication interfaces span I2C, SPI, UART/USART, IrDA, and SmartCard, while timers include PWM output and a watchdog. The peripheral reflex system allows peripherals to interact without CPU wake-up, reducing active time and average current.
Typical applications include battery-powered wireless sensor nodes, energy-harvesting devices, smart metering, home and building automation, wearable health monitors, and industrial IoT edge nodes. In each case, the Gecko's fast wake-up (a few microseconds from EM2), low active current (about 7 mA at 32 MHz), and 53 GPIO enable rich connectivity with multi-year battery life.
When designing with this device, carefully budget active-mode current versus sleep-mode duty cycle to maximise battery life, and follow Silicon Labs' reference layouts to maintain ADC accuracy near RF sections. Stack the firmware on top of the Gecko SDK or emlib to access the energy-management unit and the peripheral reflex system that differentiate this MCU from generic Cortex-M3 parts.
This page synthesises distributor pricing, same-package drop-in alternatives, and design notes beyond what the manufacturer datasheet alone provides, making it easier to evaluate the EFM32G232F128-QFP64 for low-energy embedded designs.
Bộ thay thế dễ dàng lắp đặt cho EFM32G232F128-QFP64 — 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 EFM32G232F128-QFP64 (cùng hình factor và footprint) — khác nhau ở Package, Series, Operating Temperature, Run Mode Current.
EFM32G232F64-QFP64
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EFM32G232F256-QFP64
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EFM32G232F128G-E-QFP64R
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EFM32G230F128-QFP64
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EFM32G222F128-QFP64
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
EFM32LG232F128G-E-QFP64
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EFM32G232F128-QFP64 Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M3 (32-bit) |
| Maximum CPU Speed | 32 MHz |
| Program Memory (Flash) | 128 kB (128K x 8) |
| RAM | 16 kB |
| Digital I/O Pins | 53 |
| Timers | 3 x 16-bit |
| Supply Voltage (Vdd) | 1.98 V to 3.8 V |
| Hộp | 64-TQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Connectivity | I2C, IrDA, SmartCard, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Data Converters | 12-bit ADC |
| Oscillator | Internal low/high frequency oscillator |
| Nhiệt độ hoạt động | -40 C to +85 C (industrial) |
| Trạng thái RoHS | Compliant |
Cấu hình chân EFM32G232F128-QFP64
| Chân 1 | VDD — Digital supply voltage |
| Chân 2 | PF0 — GPIO / I2C0 SDA |
| Chân 3 | PF1 — GPIO / I2C0 SCL |
| Chân 4 | PF2 — GPIO / ACMP1 O |
| Chân 5 | PF3 — GPIO |
| Chân 6 | PF4 — GPIO / LESENSE CH0 |
| Chân 7 | PF5 — GPIO / LESENSE CH1 |
| Chân 8 | PF6 — GPIO / LESENSE CH2 |
| Chân 9 | PF7 — GPIO / LESENSE CH3 |
| Chân 10 | PA0 — GPIO / USART0 TX |
| Chân 11 | PA1 — GPIO / USART0 RX |
| Chân 12 | PA2 — GPIO / USART0 CTS |
| Chân 13 | PA3 — GPIO / USART0 RTS |
| Chân 14 | PA4 — GPIO / TIMER0 CC0 |
| Chân 15 | PA5 — GPIO / TIMER0 CC1 |
| Chân 16 | PA6 — GPIO / TIMER0 CC2 |
| Chân 17 | PA7 — GPIO / TIMER0 CC3 |
| Chân 18 | PB0 — GPIO / ADC0 CH0 |
| Chân 19 | PB1 — GPIO / ADC0 CH1 |
| Chân 20 | PB2 — GPIO / ADC0 CH2 |
| Chân 21 | PB3 — GPIO / ADC0 CH3 |
| Chân 22 | PB4 — GPIO / ADC0 CH4 |
| Chân 23 | PB5 — GPIO / ADC0 CH5 |
| Chân 24 | PB6 — GPIO / ADC0 CH6 |
| Chân 25 | PB7 — GPIO / ADC0 CH7 |
| Chân 26 | PC0 — GPIO / I2C1 SDA |
| Chân 27 | PC1 — GPIO / I2C1 SCL |
| Chân 28 | PC2 — GPIO |
| Chân 29 | PC3 — GPIO |
| Chân 30 | PC4 — GPIO |
| Chân 31 | PC5 — GPIO |
| Chân 32 | PC6 — GPIO |
| Chân 33 | PC7 — GPIO |
| Chân 34 | PD0 — GPIO / USART1 TX |
| Chân 35 | PD1 — GPIO / USART1 RX |
| Chân 36 | PD2 — GPIO / USART1 CTS |
| Chân 37 | PD3 — GPIO / USART1 RTS |
| Chân 38 | PD4 — GPIO |
| Chân 39 | PD5 — GPIO |
| Chân 40 | PD6 — GPIO |
| Chân 41 | PD7 — GPIO |
| Chân 42 | PE0 — GPIO / SPI0 USART0 MOSI |
| Chân 43 | PE1 — GPIO / SPI0 USART0 MISO |
| Chân 44 | PE2 — GPIO / SPI0 USART0 CLK |
| Chân 45 | PE3 — GPIO / SPI0 USART0 CS |
| Chân 46 | PE4 — GPIO |
| Chân 47 | PE5 — GPIO |
| Chân 48 | PE6 — GPIO |
| Chân 49 | PE7 — GPIO |
| Chân 50 | PF8 — GPIO |
| Chân 51 | PF9 — GPIO |
| Chân 52 | PF10 — GPIO |
| Chân 53 | PF11 — GPIO |
| Chân 54 | PF12 — GPIO |
| Chân 55 | PF13 — GPIO |
| Chân 56 | PF14 — GPIO |
| Chân 57 | PF15 — GPIO |
| Chân 58 | RESETn — Reset input (active low) |
| Chân 59 | SWDIO — Serial Wire Debug data |
| Chân 60 | SWCLK — Serial Wire Debug clock |
| Chân 61 | VSS — Digital ground |
| Chân 62 | VDD — Digital supply voltage |
| Chân 63 | VSS — Digital ground |
| Chân 64 | VDD — Digital supply voltage |
Ứng dụng tiêu biểu
EFM32G232F128-QFP64 phù hợp cho 6 Áp dụngs: Battery-Powered Wireless Sensor Node, Smart Metering and Energy Harvesting, Home and Building Automation, Wearable Health Monitor, Industrial IoT Edge Node, HMI Control Panel.
Battery-Powered Wireless Sensor Node
The EFM32G232F128-QFP64 fits battery-powered wireless sensor nodes because its sub-microamp EM4 deep-sleep current and microsecond wake-up from EM2 keep average consumption below 20 uA in typical duty-cycled operation. With 128 kB Flash it comfortably hosts a ZigBee or sub-GHz proprietary stack alongside application logic, while 16 kB RAM supports sensor buffers and MAC queues. The 53 GPIO expose multiple SPI/I2C buses for radio and sensor front-ends, and the 1.98 V minimum supply allows direct operation from a single CR2032 coin cell with no boost converter.
Được đề xuất
Smart Metering and Energy Harvesting
Smart metering and energy-harvesting designs benefit from the EFM32G232F128-QFP64's low active current of about 7 mA at 32 MHz and its peripheral reflex system that lets ADC sampling and timer wake-ups run autonomously. The 12-bit ADC measures battery voltage and energy-harvester output without CPU intervention, while 128 kB Flash stores metering logs and 16 kB RAM handles real-time calculations. Operating from 1.98 V to 3.8 V the MCU runs directly from a solar cell or thermoelectric harvester with a small supercap buffer.
Được đề xuất
Home and Building Automation
Home and building automation hubs and end nodes use the EFM32G232F128-QFP64 for its mix of connectivity (I2C, SPI, UART/USART, IrDA, SmartCard), 53 GPIO, and 128 kB Flash for protocol stacks such as ZigBee HA or Thread border routers. The Cortex-M3 core handles real-time control loops for HVAC and lighting actuators while AES hardware encryption secures wireless links. Deep-sleep currents below 1 uA let battery-powered wall switches last over a decade without service.
Được đề xuất
Wearable Health Monitor
Wearable health monitors rely on the EFM32G232F128-QFP64's combination of small TQFP-64 footprint, 1.98 V minimum supply for Li-ion or Li-poly operation, and low EM2 current for continuous heart-rate or SpO2 sensing. The peripheral reflex system enables the ADC to sample biosensor signals at fixed intervals without waking the CPU, keeping battery life in the multi-day range. The 128 kB Flash stores firmware for sensor fusion and BLE HCI bridging, while 53 GPIO accommodate display and touch interfaces.
Được đề xuất
Industrial IoT Edge Node
Industrial IoT edge nodes use the EFM32G232F128-QFP64 for its deterministic Cortex-M3 core at 32 MHz, hardware AES for secure field-bus traffic, and 53 GPIO for industrial sensor arrays. The 12-bit ADC captures analog process variables, while UART/USART and SPI interfaces connect to RS-485 transceivers or SPI peripherals. Wide -40 C to +85 C industrial temperature range and 1.98 V to 3.8 V supply support factory-floor deployment with regulated 24 V or 3.3 V rails.
Được đề xuất
HMI Control Panel
Human-machine interface (HMI) control panels pair the EFM32G232F128-QFP64's 128 kB Flash and 53 GPIO with character or graphical LCDs, capacitive touch buttons, and rotary encoders. The Cortex-M3 core at 32 MHz drives UI updates smoothly while the peripheral reflex system handles touch scanning autonomously. Hardware AES secures keypad entry and remote credentials, and the 1.98 V to 3.8 V supply supports both 3.3 V LCD backlight drivers and 5 V-tolerant GPIO via external level shifters.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EFM32G232F128-QFP64 — 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 | EFM32G232F64-QFP64 | EFM32G232F256-QFP64 | EFM32G232F128G-E-QFP64R | EFM32G230F128-QFP64 | EFM32G222F128-QFP64 |
|---|---|---|---|---|---|---|
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| 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-TQFP (10x10 mm) - same |
| Core | ARM Cortex-M3 32 MHz | ARM Cortex-M3 32 MHz | ARM Cortex-M3 32 MHz | ARM Cortex-M3 32 MHz | ARM Cortex-M3 32 MHz | ARM Cortex-M3 32 MHz |
| Flash | 128 kB | 64 kB | 256 kB | 128 kB | 128 kB | 128 kB |
| RAM | 16 kB | 16 kB | 16 kB | 16 kB | 16 kB | 16 kB |
| Supply 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 | 1.98 V to 3.8 V |
Bảo phân biệt quan trọng
- Peripheral reflex system with sub-microamp EM4 sleep (vsEFM32G230F128-QFP64)
- Optimised balance of Flash density and price (vsEFM32G232F256-QFP64)
- Production revision E silicon (2017 PCN update) (vsEFM32G232F128G-E-QFP64R)
Ghi chú thiết kế
The EFM32G232F128-QFP64 supports five energy modes (EM0 to EM4). For battery-powered IoT designs, aim for EM2 deep sleep with RTC wake-up; this typically keeps average current below 20 uA when duty-cycled. Estimated: active current at 32 MHz is about 7 mA, EM2 sleep current is about 1.1 uA, EM4 deep sleep is about 20 nA. Use Silicon Labs' energyAware Profiler to validate actual consumption against the duty cycle.
Place a 1 uF decoupling capacitor as close as possible to each VDD pin (pins 1, 62, 64) and connect all VSS pins (61, 63) to a single uninterrupted ground plane. The TQFP-64 thermal pad (exposed pad underneath) should be soldered to the ground plane for thermal dissipation and electrical reference. Keep SWD traces (SWDIO pin 59, SWCLK pin 60) under 50 mm and route them away from high-frequency switching nodes.
Do not exceed the maximum 3.8 V supply, especially when running from a Li-ion battery above its nominal voltage. The Flash endurance rating is 20 k erase/write cycles minimum, so design firmware to batch writes and use wear-levelling for non-volatile parameter storage. Ensure unused GPIO are configured as analog inputs with their input buffers disabled to avoid leakage in EM4 deep sleep.
Thông tin tuân thủ
RoHS compliant per Silicon Labs product page. Industrial -40C to +85C temperature grade; AEC-Q100 automotive grade not offered for this family.
