EFM32PG22C200F128IM32-C

The EFM32PG22C200F128IM32-C is a Silicon Labs EFM32 Pearl Gecko MCU designed for ultra-low‑power embedded apps. It uses a 32‑bit ARM Cortex‑M core and includes 128 KB of flash memory. The device offers a broad peripheral set: GPIO, timers, ADC/DAC, serial peripherals (I2C/SPI/UART), DMA, and, on suitable packages, USB FS; it also includes a hardware cryptography block and RNG. It supports multiple energy modes to optimize sleep current for battery-powered operation. Development is via Silicon Labs Simplicity Studio with the emlib HAL and available SDKs. Typical targets include battery-powered sensors, wearables, and IoT nodes. For exact RAM size, package options, USB capability, and other details, check the datasheet/references for this specific part number (EFM32PG22C200F128IM32-C).

Here are the key features of the EFM32PG22C200F128IM32-C (Pearl Gecko II, 128‑pin package):
- 32‑bit ARM Cortex‑M core (GCC/SDK compatible)
- 128 KB flash memory
- ~16 KB RAM
- Operating voltage: typically 1.8–3.6 V
- CPU frequency up to ~48 MHz
- Ultra‑low‑power with multiple energy modes (EM0–EM4)
- Peripherals: UART/USART, SPI, I2C, ADC, DAC, timers/PWM
- Crypto and safety: AES engine, CRC
- Peripheral Reflex System (PRS) and DMA for efficient data paths
- Capacitance sensing (CapSense) support
- USB Full‑Speed device (if licensed/packaged accordingly)
- Debug/Development: SWD/JTAG, energy profiler, compatible with Silicon Labs Simplicity Studio
- 128‑pin package (IM32)
Note: exact core, USB availability, and peripheral counts can vary by silicon revision and package; consult the datasheet for precise specs.

- Pin count: 32 pins (IM32 package)
- Function: 32‑bit ARM Cortex‑M microcontroller (EFM32 Pearl Gecko family) intended for embedded applications.

- Manufacturer: Silicon Labs (Silicon Laboratories), USA.
- What kind of company: A fabless semiconductor company that designs and markets embedded microcontrollers, wireless connectivity ICs, timing and analog products for IoT and embedded systems.

- Battery-powered and wearable devices (long battery life)
- IoT sensors and edge nodes
- Smart meters, energy monitoring, and building automation
- Home automation and consumer electronics
- Medical/portable health monitors
- Industrial sensing, data logging, and control systems
- USB-enabled peripherals and small LCD/display controllers
- LED lighting controllers and general embedded control
- Secure embedded applications (cryptography/crypto acceleration)

It uses a 32‑pin QFN leadless package (QFN32).