CMOS MCU (Microcomputer Unit)

The HD6305Y1 and the HD6305Y2 are CMOS 8-bit single-chip microcomputers. A CPU, a clock generator, a 256 byte RAM, I/O terminal, two timers and serial communication interface (SCI) are built in both chip of the HD6305Y1 and the HD6305Y2. Their memory speces are expandable to 16k bytes externaily.