3x Microchip PIC18F4620-I/P 64KB Flash 3.9kB SRAM, 1kB EEPROM, 36 I/O, I2C DIP40

Master Synchronous Serial Port supports SPI™ and I2C™ master and slave mode. The price is for all 3, not each! 8x8 Single Cycle Hardware Multiply. Two Analog Comparators. Fail-Safe Clock Monitor- allows safe shutdown if clock fails.