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Description

The 3806 group is 8-bit microcomputer based on the 740 family core technology.
The 3806 group is designed for controlling systems that require analog signal processing and include two serial I/O functions, A-D converters, and D-A converters.

The various microcomputers in the 3806 group include variations of internal memory size and packaging. For details, refer to the section on part numbering. For details on availability of microcomputers in the 3806 group, refer to the section on group expansion.

Features

• Basic machine-language instructions : 71

• Memory size

 (1) ROM : 12 K to 48 K bytes

 (2) RAM : 384 to 1024 bytes

• Programmable input/output ports                 72

• Interrupts : 16 sources, 16 vectors

• Timers : 8 bit 5 4

• Serial I/O1 : 8-bit 5 1 (UART or Clock-synchronized)

• Serial I/O2 : 8-bit 5 1 (Clock-synchronized)

• A-D converter : 8-bit 5 8 channels

• D-A converter : 8-bit 5 2 channels