EFM32LG842F256-QFP64

Program Memory Size:	256KB (256K x 8)
Supplier Device Package:	64-TQFP (10x10)
Package / Case:	64-LQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 8x12b, D/A 2x12b
Voltage - Supply (Vcc/Vdd):	1.85 V ~ 3.8 V
RAM Size:	32K x 8
EEPROM Size:	--
Program Memory Type:	FLASH
Series:	Leopard Gecko
Number of I/O:	53
Peripherals:	Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
Connectivity:	I²C, IrDA, SmartCard, SPI, UART/USART
Speed:	48MHz
Core Size:	32-Bit
Core Processor:	ARM® Cortex®-M3
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The EFM32LG842F256-QFP64 is an advanced and highly integrated microcontroller with a rich set of peripherals that gives embedded designers the flexibility and control they need. It is an 8-bit single-chip microcontroller that is ideal for data acquisition, control and embedded systems due to its multi-functional capabilities and ease of use.The EFM32LG842F256-QFP64 includes a 32-bit ARM Cortex M3 Core and provides a wide range of I/Os, communication protocols and interfaces including USB 2.0, CAN, SPI, I2C and UART. With its integrated 512 KB Flash memory, 16 KB SRAM memory, up to 32 KB internal Static RAM, and a wide selection of analog and digital peripherals, embedded system designers can easily create high-precision systems with minimized space requirements. Additionally, EFM32LG842F256-QFP64 provides up to 50 MHz of processor frequency, allowing for rapid system response times.A key element of the EFM32LG842F256-QFP64 is its integrated I/Os and peripheral interfaces. The microcontroller offers a rich set of peripheral features, including various ports and converters, multimedia components, and a built-in LCD controller that can drive displays with up to 320x240 resolution. It also includes nested vectored interrupt controllers, three timers and multiple communication interfaces.The EFM32LG842F256-QFP64 can be used in many different applications. In addition to data acquisition and control applications, the microcontroller may also be used in embedded systems such as automotive, industrial automation and consumer electronics. The EFM32LG842F256-QFP64 can be used to control motors, sensors, and other peripherals, and may also be used for communication, data logging and data transfer, USB Host and Device, audio applications and more.In addition to its diverse range of features, the EFM32LG842F256-QFP64 also offers low power consumption and high EMI/RFI immunity. The microcontroller also has advanced security features for protecting system code and data. The embedded system designer can easily create a secure system using the built-in AES cryptography processor, true random number generator, and secure boot functionality.The EFM32LG842F256-QFP64 is designed to be used in conjunction with software tools and debuggers such as Segger’s J-Link and Keil IDE. Additionally, EFM32LG842F256-QFP64 is supported by a wide range of third party software development tools, such as ARM Keil MDK and IAR Embedded Studio. The working principle of the EFM32LG842F256-QFP64 is simple. The ARM Cortex-M3 core executes the instructions of the application software (downloaded to the device) and manages the resources of the device to deliver the desired output. The core itself is capable of executing complex algorithms, making decisions, and controlling peripheral I/Os.Once the application software is downloaded and executed, it accesses the resources of the EFM32LG842F256-QFP64, such as input/output peripherals, memory, timers, communication interfaces, and power management components, to process data and operations, and generate the needed output.The EFM32LG842F256-QFP64 is a powerful and highly integrated microcontroller that offers a wide range of features and capabilities to designers of embedded systems. Its ARM Cortex-M3 core, together with its I/O ports, integrated peripheral choices and software tools available, makes it the ideal choice for embedded systems designers.

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