EFM32HG222F64G-C-QFP48R - 25MHz ARM Cortex-M0+ MCU | Silicon Labs
MPN: EFM32HG222F64G-C-QFP48R ✓ Hoạt độngEFM32HG222F64G-C-QFP48R Tóm tắt
An ARM Cortex-M0+ microcontroller (MCU) is a 32-bit reduced instruction set processor core from ARM Holdings, designed for lowest active power and smallest silicon footprint among the Cortex-M family. The Cortex-M0+ sits within a broader hierarchy: ARM Cortex-M -> 32-bit MCU core -> microcontroller -> embedded system-on-chip. The Happy Gecko family extends this baseline with Silicon Labs' proprietary energy modes, autonomous I/O handling, and an integrated USB 2.0 Full-Speed device peripheral, making it well suited to connected sensor nodes and human-interface devices.
The EFM32HG222F64G-C-QFP48R operates from a 1.98 V to 3.8 V supply, consumes 127 uA/MHz in Run mode and as little as 0.6 uA in Stop mode (per the Silicon Labs EFM32HG datasheet), and offers 37 digital I/O pins, 3 x 16-bit timers, an ADC, AES accelerator, and integrated USB. The TQFP-48 package (7x7 mm body) supports standard surface-mount assembly and provides 37 usable GPIO signals after USB and ground pins are allocated.
Architecturally, the device pairs the Cortex-M0+ core with a low-leakage process node, peripheral reflex system, and a wide range of autonomous peripherals that continue to operate while the core sleeps. This combination allows the MCU to wake on an event, capture data, and return to deep sleep without CPU intervention - a critical capability for coin-cell and energy-harvesting designs.
Typical applications include USB human-interface devices such as wireless dongles, HID peripherals, and connected sensors, as well as battery-powered IoT nodes, wearable health monitors, smart metering endpoints, and industrial sensor transmitters. The integrated USB 2.0 Full-Speed device controller removes the cost of an external PHY.
When designing with this part, allocate adequate PCB area for the USB DP/DM traces, follow the USB 2.0 impedance guideline of 90 ohms differential, and place the decoupling capacitor network (typically 100 nF + 4.7 uF bulk) within a few millimetres of the VDD pin. The "R" suffix indicates Tape & Reel packaging for high-volume assembly.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical PCB and low-power design guidance that complements the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho EFM32HG222F64G-C-QFP48R — 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 EFM32HG222F64G-C-QFP48R (cùng hình factor và footprint) — khác nhau ở ADC, Core, Maximum Clock Frequency, Package, Supply Voltage (Vdd).
EFM32HG222F64G-C-QFP48
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EFM32HG222F64G-A-QFP48
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EFM32HG222F64G-QFP48
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EFM32HG222F128G-C-QFP48R
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EFM32HG222F32G-C-QFP48R
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EFM32HG222F32N-C-QFP48R
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EFM32HG222F64G-C-QFP48R Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M0+ (Happy Gecko) |
| Core Size | 32-bit |
| Tần số xung maksimum | 25 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| RAM Size | 8 KB |
| Supply Voltage (Vdd) | 1.98 V to 3.8 V |
| Digital I/O Pins | 37 |
| Timers | 3 x 16-bit |
| Hộp | 48-TQFP (7x7 mm) |
| Nhiệt độ hoạt động | -40C to +85C |
| Kiểu lắp đặt | Surface Mount |
| USB | USB 2.0 Full-Speed Device (integrated) |
| AES Accelerator | Yes |
| ADC | Yes (12-bit SAR) |
| Run Mode Current | 127 uA/MHz |
| Stop Mode Current | 0.6 uA |
| Cấp MSL | 3 |
| Trạng thái RoHS | Compliant |
| Packaging | Tape & Reel (TR) |
Cấu hình chân EFM32HG222F64G-C-QFP48R
| Chân 1 | VDD — Digital supply voltage |
| Chân 2 | PA0 — GPIO / I2C0 SDA |
| Chân 3 | PA1 — GPIO / I2C0 SCL |
| Chân 4 | PA2 — GPIO / TIMER0 CC0 |
| Chân 5 | GPIO / TIMER0 CC1 |
| Chân 6 | PA4 — GPIO / TIMER0 CC2 |
| Chân 7 | PA5 — GPIO / LEUART0 RX |
| Chân 8 | PA6 — GPIO / LEUART0 TX |
| Chân 9 | PA7 — GPIO |
| Chân 10 | PA8 — GPIO / TIMER1 CC0 |
| Chân 11 | PA9 — GPIO / TIMER1 CC1 |
| Chân 12 | PA10 — GPIO / TIMER1 CC2 |
| Chân 13 | PA11 — GPIO |
| Chân 14 | PA12 — GPIO |
| Chân 15 | PA13 — GPIO / SWDIO |
| Chân 16 | PA14 — GPIO / SWCLK |
| Chân 17 | PA15 — GPIO / SWO |
| Chân 18 | VSS — Digital ground |
| Chân 19 | PB0 — GPIO / I2C1 SDA |
| Chân 20 | PB1 — GPIO / I2C1 SCL |
| Chân 21 | PB2 — GPIO / TIMER2 CC0 |
| Chân 22 | PB3 — GPIO / TIMER2 CC1 |
| Chân 23 | PB4 — GPIO / TIMER2 CC2 |
| Chân 24 | PB5 — GPIO |
| Chân 25 | PB6 — GPIO |
| Chân 26 | PB7 — GPIO |
| Chân 27 | PB8 — GPIO |
| Chân 28 | PB9 — GPIO |
| Chân 29 | PB10 — GPIO |
| Chân 30 | PB11 — GPIO |
| Chân 31 | PB12 — GPIO |
| Chân 32 | PB13 — GPIO |
| Chân 33 | PB14 — GPIO |
| Chân 34 | PB15 — GPIO |
| Chân 35 | USB_DM — USB Full-Speed D- |
| Chân 36 | USB_DP — USB Full-Speed D+ |
| Chân 37 | USB_VBUS — USB VBUS detect (5 V tolerant) |
| Chân 38 | PC0 — GPIO / ADC0 input |
| Chân 39 | PC1 — GPIO / ADC0 input |
| Chân 40 | PC2 — GPIO / ADC0 input |
| Chân 41 | PC3 — GPIO / ADC0 input |
| Chân 42 | PC4 — GPIO / ADC0 input |
| Chân 43 | PC5 — GPIO / ADC0 input |
| Chân 44 | PC6 — GPIO / ADC0 input |
| Chân 45 | PC7 — GPIO / ADC0 input |
| Chân 46 | RESETn — Active-low reset input |
| Chân 47 | VDD — Digital supply voltage |
| Chân 48 | VSS — Digital ground |
Ứng dụng tiêu biểu
EFM32HG222F64G-C-QFP48R phù hợp cho 6 Áp dụngs: USB HID Peripheral Dongle, Battery-Powered IoT Sensor Node, Wearable Fitness/Health Monitor, Smart Metering End-Point, Industrial Sensor Transmitter, Connected Consumer Toy / Educational Device.
USB HID Peripheral Dongle
The EFM32HG222F64G-C-QFP48R is well suited for USB Human Interface Device peripherals such as wireless dongles, keyboards, mice, and custom HID interfaces where integrated USB 2.0 Full-Speed eliminates the cost of an external PHY. The 25 MHz Cortex-M0+ core and 64 KB Flash are sized for USB stacks plus HID descriptors, while the 0.6 uA Stop-mode current enables battery-powered dongles that spend most of their time in suspend. The integrated AES hardware accelerator also supports encrypted wireless dongles with negligible firmware overhead.
Được đề xuất
Battery-Powered IoT Sensor Node
The EFM32HG222F64G-C-QFP48R's 0.6 uA Stop-mode consumption and sub-2 uA EM2 sleep make it ideal for coin-cell or 2xAA powered IoT sensor nodes that wake on a peripheral event, take a sensor reading, transmit over a connected radio, and return to deep sleep. The 64 KB Flash and 8 KB RAM fit a small Contiki/RIOT-style or proprietary networking stack plus sensor drivers. The integrated AES hardware accelerator enables secure sensor data transmission with negligible wake-time penalty, and the 1.98-3.8 V supply matches a single Li-ion or two AA cells directly.
Được đề xuất
Wearable Fitness/Health Monitor
The EFM32HG222F64G-C-QFP48R supports wearable fitness bands and low-end medical monitors with its combination of 25 MHz Cortex-M0+ compute, integrated USB for charging/data, and 0.6 uA Stop-mode current that extends battery life to weeks. The 12-bit ADC is adequate for heart-rate, skin-conductance, and temperature sensing, while the AES accelerator secures BLE pairing. The 7x7 mm TQFP-48 footprint fits inside typical wrist-band enclosures. Operating temperature -40C to +85C supports cold-weather wearables.
Được đề xuất
Smart Metering End-Point
The EFM32HG222F64G-C-QFP48R targets low-end residential smart-metering endpoints where long battery life, robust peripheral integration, and a small surface-mount footprint are essential. The Happy Gecko's 127 uA/MHz active current and 0.6 uA Stop mode enable 10+ year service life on a lithium primary cell, while the 64 KB Flash fits metering firmware, tamper logic, and a wireless M-Bus or wM-Bus stack. The integrated 12-bit ADC captures sensor inputs directly, eliminating external signal-conditioning parts.
Được đề xuất
Industrial Sensor Transmitter
The EFM32HG222F64G-C-QFP48R powers loop-powered and battery-backed industrial sensor transmitters (4-20 mA bridges, wirelessHART field devices, IO-Link masters) where low power, robust GPIO count, and wide operating temperature are needed. The 37 GPIO pins allow direct connection to multiple sensor front-ends and a local display or keypad. The industrial -40C to +85C operating range handles plant-floor thermal stress, and the integrated USB simplifies firmware updates during commissioning and field service.
Được đề xuất
Connected Consumer Toy / Educational Device
The EFM32HG222F64G-C-QFP48R fits cost-sensitive connected consumer toys and educational STEM kits where USB charging/programming, audio cue playback, and low standby power drive the design. The Cortex-M0+ core runs at 25 MHz which is adequate for tone playback and motion scripting, while the 64 KB Flash supports firmware update over USB. The wide 1.98-3.8 V supply accepts two AA cells or a single Li-ion directly, and the small TQFP-48 footprint keeps the PCB under 25x25 mm.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EFM32HG222F64G-C-QFP48R — 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 | EFM32HG222F64G-C-QFP48 | EFM32HG222F64G-A-QFP48 | EFM32HG222F128G-C-QFP48R |
|---|---|---|---|---|
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Package | TQFP-48 (7x7 mm) | TQFP-48 (7x7 mm) | TQFP-48 (7x7 mm) | TQFP-48 (7x7 mm) |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Max Clock Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Memory | 64 KB | 64 KB | 64 KB | 128 KB |
| RAM Size | 8 KB | 8 KB | 8 KB | 8 KB |
| USB | USB 2.0 FS integrated | USB 2.0 FS integrated | USB 2.0 FS integrated | USB 2.0 FS integrated |
| 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 |
| GPIO Count | 37 | 37 | 37 | 37 |
| Packaging | Tape & Reel | Tray | Tray | Tape & Reel |
Bảo phân biệt quan trọng
- Tape & Reel packaging for high-volume SMD assembly (vsEFM32HG222F64G-C-QFP48 (Tray))
- Updated software library revision (vsEFM32HG222F64G-A-QFP48)
- Industry-leading 0.6 uA Stop-mode current (vsEFM32HG222F128G-C-QFP48R)
Ghi chú thiết kế
The EFM32HG222F64G-C-QFP48R integrates a 1.8 V LDO regulator and brown-out reset, but the external 3.3 V rail should still be bypassed with a 4.7 uF bulk + 100 nF decoupling pair placed within 3 mm of the VDD pins (1, 47). For USB-suspend current compliance (<= 2.5 mA), use the silicon labs energyAware USB library to ensure the MCU enters EM2 Stop when the host is suspended.
The USB DM/DP differential pair (pins 35/36) should be routed with 90 ohms differential impedance on the top layer over a continuous ground plane, keeping the pair length matched within 150 mil. Place the USB VBUS sense resistor within 5 mm of pin 37 and add ESD protection (e.g., a USBLC6-2SC6) within 3 mm of the connector. The PCB cutout for the connector should not cross the differential pair.
The 25 MHz Cortex-M0+ core is well within comfortable signal-integrity margins for the TQFP-48 footprint, but the SWD pins (PA13/PA14, pins 15/16) should be reserved for the debug header and not reused as GPIO in production. Route SWDIO/SWCLK to a 1.27 mm pitch header at the board edge, keeping trace length under 50 mm to avoid debugger communication errors at high SWD clock speeds.
Do not connect the RESETn pin (pin 46) directly to VDD without a pull-up resistor - the internal pull-up is weak and a strong external pull-up is recommended for noisy industrial environments. Avoid enabling the ADC (pins 38-45) before the bandgap reference is stable; allow at least 20 us after ADC peripheral enable. Using the deep-sleep EM4 mode loses RAM contents; only use EM4 when the firmware can fully restore state from Flash.
Thông tin tuân thủ
RoHS compliant per Silicon Labs product page. Not AEC-Q100 qualified - industrial/consumer applications only.
