EF6805U2 Overview
The EF6805U3 Microputer Unit (MCU) is a member of the 6805 Family of low-cost single-chip Microputers. The 8-bit microputer contains a CPU, on-chip CLOCK, ROM, RAM, I/O, and TIMER. It is designed for the user who needs an economical microputer with the proven capabilities of the 6800-based instruction set.