ATXMEGA64D4-MHR
数据手册.pdfMCU 8Bit/16Bit XMEGA AVR RISC 64KB Flash 1.8V/2.5V/3.3V 44Pin VQFN EP T/R
* High-performance, low-power ® AVR® XMEGA® 8/16-bit Microcontroller * Nonvolatile program and data memories * 64KBytes of in-system self-programmable flash * 2KBytes EEPROM * 4K - 8KBytes internal SRAM * Peripheral Features * Four-channel event system * Two USARTs with IrDA support for one USART * ternal interrupts on all general purpose I/O pins * Programmable watchdog timer with separate on-chip ultra low power oscillator * QTouch® library support * Special microcontroller features * Power-on reset and programmable brown-out detection * Internal and external clock options with PLL and presale * Programmable multilevel interrupt controller * Five sleep modes * Programming and debug interfaces * PDI program and debug interface * I/O and packages * 34 Programmable I/O pins * 44 - lead TQFP * 44 - pad VQFN/QFN * 49 - ball VFBGA * Operating voltage * 1.6 – 3.6V * Operating frequency * 0 – 12MHz from 1.6V * 0 – 32MHz from 2.7V