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Table 3 IP interface signals.

From: A Prototyping Virtual Socket System-On-Platform Architecture with a Novel ACQPPS Motion Estimator for H.264 Video Encoding Applications

Interface signals

Description

Clk, reset, start

Platform signals for IP

Input_Valid, Output_Valid

Valid strobes for IP memory access

Data_In, Data_Out

Input and output memory data for IP

Memory_Read

IP request for memory read

Mem_HW Accel, offset, count

IP number, offset, and data count provided by IP/Host for memory read

Mem_HW Accel1, offset1, count1

IP Number, offset, and data count provided by IP/Host for memory write

Mem_Read_Req

IP bus request for memory

Mem_Write_Req

access

Mem_Read_Release_Req

IP bus release request for

Mem_Write_Release_Req

memory access

Mem_Read_Ack

IP bus request grant for

Mem_Write_Ack

memory access

Mem_Read_Release_Ack

IP bus release grant for

Mem_Write_Release_Ack

memory access

Done

IP interrupt signal