EFM32GG395F1024G-E-BGA120R - 48MHz ARM Cortex-M3 Giant Gecko MCU | Silicon Labs
MPN: EFM32GG395F1024G-E-BGA120R ✓ NakahandaEFM32GG395F1024G-E-BGA120R Ulas
What is a low-power 32-bit microcontroller? A microcontroller (MCU) is a single-chip computer integrating a CPU core, volatile and non-volatile memory, and programmable peripherals. Low-power MCUs extend this with multiple sleep modes, fast wake-up times, and event-driven peripherals (such as the Peripheral Reflex System on EFM32) that let the CPU stay asleep while peripherals handle I/O. The Giant Gecko family sits in the hierarchy: ARM Cortex-M3 core -> 32-bit MCU -> low-energy MCU -> embedded microcontroller -> semiconductor. This architecture is widely used in battery-powered IoT nodes, sensor hubs, and industrial controls where average current (uA range) and standby time dominate.
Key features include 1 MB Flash (1M x 8), 128 kB SRAM, 93 digital I/O pins, four 16-bit timer/counters, two 12-bit ADC and DAC blocks, USB, AES-128/256, and a hardware crypto accelerator. The Giant Gecko line also adds an LCD controller, backup RTC domain with its own voltage regulator, and multiple low-energy peripherals (LETIMER, LESENSE, LEUART, RTC). On-chip peripherals are interconnected through the Peripheral Reflex System (PRS) for hardware-driven, software-free signaling between modules.
The EFM32GG395F1024G-E-BGA120R is built on a 90 nm CMOS low-leakage process and uses Silicon Labs' LESENSE, PRS, and energy-management unit to deliver sub-uA sleep current with 2 us wake-up time. This makes the device well suited to interrupt-driven event processing rather than continuous polling. The integrated AES hardware block accelerates encrypted communication without burdening the Cortex-M3 core.
Typical applications include IoT edge nodes, USB-connected smart sensors, energy-harvesting wireless sensor hubs, industrial HMI panels with LCD, secure connected medical devices, and building-automation controllers. The Giant Gecko family is broadly used in any design that needs both USB device/host connectivity and low standby power.
When designing with this device, allocate sufficient PCB area for BGA fan-out and via-in-pad (the 120-ball 7x7 mm BGA has 0.5 mm pitch) and provide a clean 3.3 V rail with bulk + bypass decoupling per Silicon Labs reference designs. Verify pinout against the manufacturer datasheet, since BGA ball mapping is not interchangeable with QFP variants in the same family.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers select and qualify the EFM32GG395F1024G-E-BGA120R for production.
Mga alternatibo na pwedeng ilagay na EFM32GG395F1024G-E-BGA120R — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok EFM32GG395F1024G-E-BGA120R (parehas na form factor at footprint) — pagkakaiba sa Core Architecture, Operating Temperature, Package, Program Memory (Flash), USB.
EFM32GG395F1024G-E-BGA120
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →EFM32GG395F1024-BGA120
✅ Drop-In ⚠️ Mga Talaan Hindi Naiwerikmo📋 Alternatibo na Reference (hindi sa katalogo)
EFM32GG395F1024G-E-BGA120R Mga Pinakamataas na Rating at Electrical Characteristics
| Core Architecture | ARM Cortex-M3 |
| Core Bit Width | 32-bit |
| Maximum CPU Clock | 48 MHz |
| Program Memory (Flash) | 1 MB (1M x 8) |
| SRAM | 128 kB |
| Supply Voltage (Vcc/Vdd) | 1.98 V to 3.8 V |
| Digital I/O Pins | 93 |
| Packhaging | 120-BGA (7x7 mm) |
| USB | Yes (USB Device/Host) |
| Hardware AES | AES-128/256 |
| ADC | 12-bit |
| DAC | 12-bit |
| Timer/Counters | 4 x 16-bit |
| Temperature na Operasyon | -40 C to +85 C |
| Uri ng Pagpapasok | Surface Mount |
| Tindminan RoHS | Compliant |
Gabay sa Pin Configuration ng EFM32GG395F1024G-E-BGA120R 120-bga (7x7 mm)
Pin configuration para sa EFM32GG395F1024G-E-BGA120R (120-bga (7x7 mm) package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa EFM32GG395F1024G-E-BGA120R.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
EFM32GG395F1024G-E-BGA120R ay nararapat para sa 6 aplikasyons: USB-Connected IoT Sensor Hub, Battery-Powered Wireless Sensor Node, Industrial HMI with LCD, Secure Connected Medical Device, Building Automation Controller, Smart Energy Meter with Secure Logging.
USB-Connected IoT Sensor Hub
The EFM32GG395F1024G-E-BGA120R's integrated USB 2.0 Full-Speed device/host controller, 1 MB Flash, and 128 kB RAM make it a strong fit for USB-connected IoT sensor hubs that must enumerate as CDC or HID while running application firmware. The hardware AES-128/256 block offloads encrypted sensor traffic without CPU overhead, and the 12-bit ADC captures analog sensor data with 1 MSPS throughput. Place 33 ohm series resistors on D+/D- lines and a 1.5 kohm pull-up on D+ per USB spec; the Giant Gecko's 1.98-3.8 V supply lets you power directly from USB VBUS through an LDO.
Inirekomenda
Battery-Powered Wireless Sensor Node
Battery-powered wireless sensor nodes benefit from the EFM32GG395F1024G-E-BGA120R's sub-microamp sleep current, 2 us wake-up time, and LESENSE peripheral that scans sensors while the Cortex-M3 stays asleep. The 1 MB Flash holds Zigbee or Bluetooth Low Energy stacks plus application code, and the 128 kB RAM buffers sensor data bursts. Use the integrated DC-DC regulator with a 10 uH inductor at 4.7 uF input/output caps to maximize battery life; the energy-mode round-trips deliver 5+ years on 2x AA cells for 1% duty-cycle reporting.
Inirekomenda
Industrial HMI with LCD
The EFM32GG395F1024G-E-BGA120R integrates an LCD controller capable of driving up to 8x36 segments, eliminating external display drivers in industrial HMI panels. The 93 GPIO pins handle keypad matrix, LED indicators, and segment LCD without glue logic. Combined with 12-bit ADC for front-panel trim pots and AES for secure parameter storage, the 120-BGA package fits behind the LCD glass with via-in-pad fan-out. Operate from 3.3 V with bulk + bypass caps per Silicon Labs reference design to maintain clean LCD contrast voltage under motor noise.
Inirekomenda
Secure Connected Medical Device
Medical devices requiring authenticated firmware and encrypted patient data leverage the EFM32GG395F1024G-E-BGA120R's hardware AES-128/256 accelerator and 1 MB Flash for storing secure boot loaders and TLS stacks. The Cortex-M3 at 48 MHz handles real-time ECG sample streaming over USB while the hardware crypto engine encrypts streams without CPU stalls. The 120-BGA 7x7 mm package fits compact wearable form factors; pair with a companion Bluetooth module for wireless patient monitoring, using the EFM32's USB for bedside charging and data transfer.
Inirekomenda
Building Automation Controller
Building automation controllers use the EFM32GG395F1024G-E-BGA120R's USB for commissioning ports, AES for secure BACnet/Modbus traffic, and 93 GPIO for relay drivers, triac interfaces, and sensor inputs. The 1 MB Flash holds complete BACnet stacks and 128 kB RAM buffers scheduling tables for HVAC control loops. Operating from 1.98-3.8 V lets the device share the 3.3 V rail with the rest of the controller board, while the Cortex-M3 handles multiple UART, I2C, and SPI peripherals in parallel using the Peripheral Reflex System.
Inirekomenda
Smart Energy Meter with Secure Logging
Smart electricity meters benefit from the EFM32GG395F1024G-E-BGA120R's hardware AES, RTC with backup domain, and tamper-detection I/O. The 1 MB Flash stores calibration tables, encrypted logs, and DLMS/COSEM stacks, while the 128 kB RAM buffers measurement samples between transmits. The 12-bit ADC pairs with external current-sense amplifiers for Class 1 meter accuracy, and the LCD controller drives the consumption display directly. The 120-BGA 7x7 mm package enables single-board meter designs that fit behind the meter glass with no display driver overhead.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for EFM32GG395F1024G-E-BGA120R — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | EFM32GG395F1024G-E-BGA120 | EFM32GG395F1024-BGA120 |
|---|---|---|---|
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Package | 120-BGA (7x7 mm) | 120-BGA (7x7 mm) - identical | 120-BGA (7x7 mm) - identical |
| Core Architecture | ARM Cortex-M3 32-bit | ARM Cortex-M3 32-bit | ARM Cortex-M3 32-bit |
| Maximum Clock Speed | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 1 MB | 1 MB | 1 MB |
| SRAM | 128 kB | 128 kB | 128 kB |
| Supply Voltage | 1.98 V to 3.8 V | 1.98 V to 3.8 V | 1.98 V to 3.8 V |
| Hardware AES | AES-128/256 | AES-128/256 | AES-128/256 |
| USB | Yes (Device/Host) | Yes (Device/Host) | Yes (Device/Host) |
| Packaging | Tape & Reel | Tray | Tray |
Pangunahing mga Pagkakaiba
- Largest memory configuration in the GG395 sub-family (kumpara saEFM32GG395F512 (512 kB Flash variant))
- Highest pin count BGA option with full peripheral set (kumpara saEFM32GG290F1024-BGA112)
- Tape & Reel packaging for SMT production (kumpara saEFM32GG395F1024G-E-BGA120 (Tray))
Talaan ng Disenyo
The EFM32GG395F1024G-E-BGA120R uses a 120-ball BGA at 0.5 mm pitch in a 7x7 mm body. PCB layout MUST use via-in-pad with filled and plated-over vias to escape the inner balls; tented vias cause assembly voids. Match the Silicon Labs reference design stackup (4-layer, 1 oz copper, 0.2 mm dielectric) and place four 0.1 uF + one 4.7 uF bulk capacitor inside the BGA shadow for clean power distribution.
The EFM32GG395F1024G-E-BGA120R integrates both LDO and DC-DC regulators selectable via software. For USB self-powered designs, use the DC-DC mode (10 uH inductor + 4.7 uF input/output caps) to maximize efficiency; for low-EMI sensitive applications, switch to the LDO mode. The backup RTC domain has its own VBAT pin; tie it to a coin cell or supercap if you need RTC retention across main supply brownouts.
Do not assume the EFM32GG395F1024G-E-BGA120R is pin-compatible with QFP Giant Gecko variants - BGA ball mapping is unique. Verify firmware against the latest Silicon Labs errata document: early revisions had USB suspend current and LETIMER drift issues. Use Simplicity Studio's hardware configurator to generate correct CMSIS pack initialization, and avoid the legacy emlib GPIO API in new code - prefer the HAL GPIO driver.
Impormasyon ng Pagsunod sa Kautusan
RoHS and REACH compliant per Silicon Labs product page. Not AEC-Q100 qualified; for automotive, see EFR32 automotive-grade MCUs. Halogen-free status not explicitly confirmed in verified data.
