BUY AT91SAM7S256D-AU https://www.utsource.net/itm/p/6500801.html
MCU 32-bit SAM7S ARM7TDMI RISC 256KB Flash 1.8V/3.3V 64-Pin LQFP
Description: The AT91SAM7S256D-AU is a low-power, high-performance Flash microcontroller from Atmel Corporation. It is based on the ARM7TDMI-S core and features 256KB of Flash memory, 32KB of SRAM, and an extensive range of peripherals. Features: ARM7TDMI-S core running at up to 55 MHz 256KB of Flash memory 32KB of SRAM Up to 48 I/O lines Three 16-bit timers/counters Two USARTs Two SPI ports One I2C port One 10-bit ADC One 10-bit DAC One PWM controller One RTC One JTAG port One USB 2.0 full-speed device controller One CAN controller Application: The AT91SAM7S256D-AU is suitable for a wide range of applications, including automotive, industrial, medical, and consumer electronics. It is ideal for applications that require low power consumption, high performance, and a wide range of peripherals. (For reference only)