AT91SAM7X256C-AU，integrated circuit Embedded microcontroller Microchip Technology series SAM7X package tray Core processor ARM7® Core specification 16/32- bit speed 55MHz Connection ability CANbus, Ethernet, IC, SPI, SSC, UART/USART, USB peripheral device Undervoltage detection/reset, DMA, POR, PWM, WDT I/O number Sixty-two Program storage capacity 256KB（256K x 8） Program memory type flash memory EEPROM capacity - RAM size 64K x 8 Voltage-supply (Vcc/Vdd) 1.65V ~ 1.95V data converter A/D 8x10b Oscillator type inside Working temperature -40°C ~ 85°C（TA） Installation type Surface mount type Package/housing 100-LQFP Supplier device package 100-LQFP（14x14）