MAR28155LL View Datasheet(PDF) - Dynex Semiconductor

Part Name

Description

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MAR28155LL

Radiation Hard Programmable Peripheral Interface

Dynex Semiconductor 

MA28155

OPERATING MODE 1

(Strobed Input/Output)

This functional configuration provides a means for

transferring l/O data to or from a specified port in conjunction

with strobes or handshaking signals. In mode 1, port A and

port B use the lines on port C to generate or accept these

handshaking signals

s Two Groups (Group A and Group B) .

s Each Group contains one 8-bit data port and one 4-bit

control/data port,

s The 8-bit data port can be either input or output, Both

inputs and outputs are latched,

s The 4-bit port is used for control and status of the 8-bit data

port.

STBN

RD/WN

DSN

DSN

RD/WN

OBFN

ACKN

Figure 7: Strobed Input Timing Diagram

Figure 8: Strobed Output Timing Diagram

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