32 TTL/CMOS COMPATIBLE I/O LINES 24 BIDIRECTIONAL (8 lines are LED compatible) 8 INPUT-ONLY 3776 BYTES OF USER ROM 112 BYTES OF RAM SELF-CHECK MODE ZERO-CROSSING DETECT/I.

PPORT PINT and can be neglected. PPORT may become significant if the device is configured to drive Darlington bases or s.

The EF6805U3 Microcomputer Unit (MCU) is a member of the 6805 Family of low-cost single-chip Microcomputers. The 8-bit microcomputer contains a CPU, on-chip CLOCK, ROM, RAM, I/O, and TIMER. It is designed for the user who needs an economical microcom.

EF6805P2

EF6805R2

EF6805R3

EF6805U2

EF6805U3

EF6801

EF6802

EF6803

EF6808

EF6809

EF6809E

EF6821

EF6840