Средства и методы разработки

Уже есть EFM32TG110F32-QFN24 Cortex-M3 32 MHz 32KB Flash 4KB RAM. в чём принципиальное отличие? •Flexible Energy Management System •20 nA @ 3 V Shutoff Mode •Wake-up Interrupt Controller •1 μA @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz oscillator, Power-on Reset, Brown-out Detector, RAM and CPU retention •32/16/8/4 KB Flash •4/4/2/2 KB RAM •17 General Purpose I/O pins •Configurable Push-pull, Open-drain, pull-up/down, input filter, drive strength •11 asynchronous external interrupts •8 Channel DMA Controller •8 Channel Peripheral Reflex System (PRS) for autonomous inter-peripheral signaling •Hardware AES with 128/256-bit keys in 54/75 cycles •2×16-bit Timer/Counter •2×3 Compare/Capture/PWM channels •16-bit Low Energy Timer •24-bit Real-Time Counter •16-bit Pulse Counter •Watchdog Timer with dedicated RC oscillator @ 50 nA •2×Universal Synchronous/Asynchronous Receiver/Transmitter •UART/SPI/SmartCard (ISO 7816)/IrDA/I2S •Triple buffered full/half-duplex operation •Low Energy UART •Autonomous operation with DMA in Deep Sleep •I2C Interface with SMBus support •Address recognition in Stop Mode •Ultra low power 12-bit 1 Msamples/s Analog to Digital Converter 2 single ended channels/1 differential channels •On-chip temperature sensor •12-bit 500 ksamples/s Digital to Analog Converter •2×Analog Comparator •Capacitive sensing with up to 4 inputs •3× Operational Amplifier 6.1 MHz GBW, Rail-to-rail, Programmable Gain •Supply Voltage Comparator •Low Energy Sensor Interface (LESENSE) •Autonomous sensor monitoring in Deep Sleep Mode •Wide range supported, including inductive, resistive and capacitive sensors •2-pin Serial Wire Debug interface •1-pin Serial Wire Viewer •Pre-Programmed Serial Bootloader •Temperature range -40 to 85 ºC •Single power supply 1.85 to 3.8 V •QFN24 package