EFM32LG942F256-QFP64

The EFM32LG942F256-QFP64 is an ARM Cortex-M3 based 32-bit Microcontroller with speeds up to 48MHz and is part of the Leopard Gecko family of energy friendly devices. Built on top of a low-power platform that includes innovative low energy techniques, fast wake-up times and energy saving modes the device is ideal for energy sensitive applications. In addition, this device includes 256kB flash, 32kB RAM, 50 digital I/Os, 4 x 16-bit timers and multiple communication interfaces.

• High performance 32-bit processor at up to 48MHz
• Memory protection unit
• Flexible energy management system
• 12-channel DMA Controller
• 12-channel Peripheral reflex system (PRS) for autonomous inter-peripheral signalling
• Hardware AES with 128/256-bit keys in 54/75 cycles
• 16-bit Low energy timer
• 24-bit Real-time counter and 32-bit Real-time counter
• 3 x 16/8-bit Pulse counter
• Watchdog timer with dedicated RC oscillator at 50nA
• Integrated LCD controller for up to 8 x 16 segments
• RTC and retention registers in a separate power domain, available in all energy modes
• Operation from backup battery when main power drains out
• 3 x Universal synchronous/asynchronous receiver/transmitter
• UART/SPI/SmartCard (ISO 7816)/IrDA/I²S
• 2 x Low energy UART
• 2 x I²C Interface with SMBus support
• Universal serial bus (USB) with Host & OTG support - Fully USB 2.0 compliant
• Ultralow power precision analog peripherals
• Low energy sensor interface (LESENSE)

Applications

Metering, Medical, Consumer Electronics, Security, Building Automation, Industrial