The Microchip ATxmega128A3U 8-bit microcontroller is based AVR® RISC architecture. It operates on 1.6V to 3.6V voltage range. This microcontroller features 128KB of self-programming Flash program memory, 8 KB boot code section, 8 KB SRAM, 2 KB EEPROM, external bus interface, 4-channel DMA controller, 8-channel event system, and up to 32 MIPS throughput at 32 MHz.Four-channel DMA controller Eight-channel event system Eight 16-bit timer/counters One USB device interface Eight USARTs with IrDA support for one USART Four two-wire interfaces with dual address match (I2C and SMBus compatible) Four serial peripheral interfaces (SPIs) AES and DES crypto engine CRC-16 (CRC-CCITT) and CRC-32 (IEEE® 802.3) generator 16-bit real time counter (RTC) with separate oscillator Two sixteen channel, 12-bit, 2msps Analog to Digital Converters Two Two-channel, 12-bit, 1msps Digital to Analog Converters Four Analog Comparators (ACs) with window compare function, and current sources External interrupts on all general purpose I/O pins Programmable watchdog timer with separate on-chip ultra low power oscillator Capacitive touch buttons, sliders and wheels Power-on reset and programmable brown-out detection Internal and external clock options with PLL and prescaler Programmable multilevel interrupt controller Programming and debug interfaces Temperature range between -40°C to 85°C 64-pad, 9 x 9 x 1.0mm body, lead pitch 0.50mm, 7.65mm exposed pad, quad flat no-lead package (QFN) package More information:  | | Family Name: | ATxmega128A3U | Package Type: | QFN | Mounting Type: | Surface Mount | Pin Count: | 64 | Device Core: | AVR | Data Bus Width: | 8bit | Program Memory Size: | 128 kB | Maximum Frequency: | 32MHz | RAM Size: | 8 kB | USB Channels: | 1 | Number of PWM Units: | 1 | Number of SPI Channels: | 10 | Number of CAN Channels: | 0 | Number of I2C Channels: | 2 | Number of UART Channels: | 7 |
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