Silicon-on-Sapphire ICs - Peripherals And Support Circuits

The MA28155 is a general purpose programmable Input/ Output device designed for use with the MAS281 Microprocessor It has 24 I/O pins which may be individually programmed in 2 groups of 12 and used in 3 major modes of operation. In the first mode (MODE 0), each group of 12 I/O pins may be programmed in sets of 4 to be inputs or outputs. In the second mode (MODE 1), each group may be programmed to have 8 lines of input or output. Of the remaining 4 pins, 3 are used for hand-shaking and interrupt control signals. The third mode of operation (MODE 2) is the bidirectional bus mode, which uses 8 lines for a bidirectional bus and 5 lines, borrowing one from the other group, for hand-shaking. By Dynex Semiconductor
MA28155 's PackagesMA28155 's pdf datasheet

MA28155 Pinout, Pinouts
MA28155 pinout,Pin out
This is one package pinout of MA28155,If you need more pinouts please download MA28155's pdf datasheet.

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