EFM32G222F128G-E-QFP48R

Program Memory Size:	128KB (128K x 8)
Supplier Device Package:	48-TQFP (7x7)
Package / Case:	48-TQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 4x12b, D/A 1x12b
Voltage - Supply (Vcc/Vdd):	1.98 V ~ 3.8 V
RAM Size:	16K x 8
EEPROM Size:	--
Program Memory Type:	FLASH
Series:	Gecko
Number of I/O:	37
Peripherals:	Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity:	I²C, IrDA, SmartCard, SPI, UART/USART
Speed:	32MHz
Core Size:	32-Bit
Core Processor:	ARM® Cortex®-M3
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to the EFM32G222F128G-E-QFP48R

The EFM32G222F128G-E-QFP48R (hereafter called EFM32G222) is a low power microcontroller family from Silicon Labs that integrates a high performance 32-bit ARM Cortex-M3 processor core, advanced peripherals and an extensive selection of features for embedded applications. The EFM32G222 is a member of Silicon Lab\'s Energy Micro 32 Gecko series of microcontrollers, designed to operate from an embedded power source, such as a nano Watt Class-1 or 2 AC adapter or 2.7V to 5.5V battery pack.

Application Field

The EFM32G222 has specific application fields. It is potentially suitable for use in medical electronics, energy efficient motor control, wireless sensor networks or a variety of system on chip (SoC) and microprocessor-based applications. In medical electronics, the EFM32G222 assists in providing low power, reliable sensing and control, allowing devices to be operated with ease. In motor control, it is mainly used as an effective energy management tool as it enables energy efficient motor control and improved system reliability. Finally, in wireless sensor networks, the EFM32G222 is used for reliable data collection, analysis and transmission over a wireless network.

Working Principle

The EFM32G222 utilizes an ARM Cortex-M3 processor core, meaning that it uses a RISC (reduced instruction set computing) based architecture with a single instruction fetch and decode cycles. This is beneficial, as it reduces complexity and increases efficiency of instruction execution, when compared to traditional CISC (complex instruction set computing) based architectures. In terms of memory, the EFM32G222 contains multiple different types of memory, such as SRAM, ROM and flash. Flash memory allows programs and data to be stored, while ROM holds system boot code and various device settings. SRAM, on the other hand, allows temporary data storage within the processor’s internal registers. In regards to peripherals, the device has various important components including, but not limited to; a direct memory access (DMA) controller, a range of communication peripherals (USART, I2C, SPI), high speed digital comparators (HSDC) and many more.

Conclusion

The EFM32G222F128G-E-QFP48R is a powerful and energy-efficient microcontroller family from Silicon Labs that is ideal for embedded applications in medical electronics, energy efficient motor control and data collection and transmission in wireless sensor networks. The device integrates a 32-bit ARM Cortex-M3 processor core, advanced peripherals, SRAM, ROM and flash memory, as well as a range of communication and high speed digital comparators peripherals. The RISC-based architecture and efficient instruction execution makes the EFM32G222 a versatile and power-saving solution for embedded applications.

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