MA28155 - Radiation Hard Programmable Peripheral Interface
The MA28155 is a programmable peripheral interface (PPI) device designed for use with MAS281.
Its function is that of a general purpose l/O component to interface peripheral equipment to the microcomputer system bus.
The functional configuration of the MA28155 is programmed by the system software so
MA28155 MA28155 Radiation Hard Programmable Peripheral Interface Replaces June 1999 version, DS3575-4.0 DS3575-5.0 January 2000 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), e
MA28155 Features
* s Radiation Hard to 1MRad (Si) s High SEU Immunity, Latch Up Free s Silicon-on-Sapphire Technology s 24 Programmable l/O Pins s All Inputs and Outputs are TTL Compatible s Direct Bit Set/Reset Capability Easing Control Application Interface s Replaces Several MSI Packages s Compatible with MAS281 (M
