Altera Video and Image Processing Suite Uživatelský manuál stáhnout pdf (Strana 195)

Signal Direction Description

dout_ready Input dout port Avalon-ST ready signal. The downstream

device asserts this signal when it is able to receive data.

dout_startofpacket Output dout port Avalon-ST startofpacket signal. This signal

marks the start of an Avalon-ST packet.

dout_valid Output dout port Avalon-ST valid signal. The IP core asserts this

signal when it produces data.

slave_av_address Input slave port Avalon-MM address bus. This bus specifies a

word offset into the slave address space.

slave_av_read Input slave port Avalon-MM read signal. When you assert this

signal, the slave port drives new data onto the read data

bus.

slave_av_readdata Output slave port Avalon-MM readdata bus. The IP core uses

these output lines for read transfers.

slave_av_write Input slave port Avalon-MM write signal. When you assert this

signal, the gamma_lut port accepts new data from the

writedata bus.

slave_av_writedata Input slave port Avalon-MM writedata bus. The IP core uses

these input lines for write transfers.

slave_av_irq Output slave port Avalon-MM interrupt signal. Asserted to

indicate that the interrupt registers of the IP core are

updated; and the master must read them to determine

what has occurred.

master_av_clock Input master port clock signal. The interface operates on the

rising edge of the clock signal.

master_av_reset Input master port reset signal. The interface asynchronously

resets when this signal is high. You must deassert this

signal synchronously to the rising edge of the clock signal.

master_av_address Output master port Avalon-MM address bus. This bus specifies a

byte address in the Avalon-MM address space.

master_av_burstcount Output master port Avalon-MM burstcount signal. This signal

specifies the number of transfers in each burst.

master_av_read Output master port Avalon-MM read signal. The IP core asserts

this signal to indicate read requests from the master to the

system interconnect fabric.

master_av_readdata Input master port Avalon-MM readdata bus. These input lines

carry data for read transfers.

master_av_readdatavalid Input master port Avalon-MM readdatavalid signal. The

system interconnect fabric asserts this signal when the

requested read data has arrived.

13-4

Frame Reader Signals

UG-VIPSUITE

2015.05.04

Altera Corporation

Frame Reader IP Core

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