Altera Video and Image Processing Suite User Manual
Page 117
Signal
Direction
Description
din_N_valid
Input
din_N
port Avalon-ST
valid
signal. This signal identifies
the cycles when the port must input data.
dout_N_data
Output
dout
port Avalon-ST
data
bus. This bus enables the
transfer of pixel data out of the IP core.
dout_N_endofpacket
Output
dout_N
port Avalon-ST
endofpacket
signal. This signal
marks the end of an Avalon-ST packet.
dout_N_ready
Input
dout_N
port Avalon-ST
ready
signal. The downstream
device asserts this signal when it is able to receive data.
dout_N_startofpacket
Output
dout_N
port Avalon-ST
startofpacket
signal. This signal
marks the start of an Avalon-ST packet.
dout_N_valid
Output
dout_N
port Avalon-ST
valid
signal. The IP core asserts
this signal when it produces data.
Table 6-4: Alpha Signals for Alpha Blending Mixer IP Core
The table below lists the signals that are available only when you turn on Alpha blending in the Alpha Blending
Mixer parameter editor. These signals that are available only for Alpha Blending Mixer IP core.
Signal
Direction
Description
alpha_in_N_data
Input
alpha_in_N
port Avalon-ST
data
bus. This bus enables
the transfer of pixel data into the IP core.
alpha_in_N_endofpacket
Input
alpha_in_N
port Avalon-ST
endofpacket
signal. This
signal marks the end of an Avalon-ST packet.
alpha_in_N_ready
Output
alpha_in_N
port Avalon-ST
ready
signal. The IP core
asserts this signal when it is able to receive data.
alpha_in_N_startofpacket
Input
alpha_in_N
port Avalon-ST
startofpacket
signal. This
signal marks the start of an Avalon-ST packet.
alpha_in_N_valid
Input
alpha_in_N
port Avalon-ST
valid
signal. This signal
identifies the cycles when the port must insert data.
Table 6-5: Mixer II Signals
The table below lists the signals for Mixer II IP core.
Signal
Direction
Description
reset
Input
The IP core asynchronously resets when you assert this
signal. You must deassert this signal synchronously to the
rising edge of the clock signal.
clock
Input
The main system clock. The IP core operates on the rising
edge of this signal.
control_address
Input
control
slave port Avalon-MM
address
bus. This bus
specifies a word offset into the slave address space.
6-6
Video Mixing Signals
UG-VIPSUITE
2015.05.04
Altera Corporation
Video Mixing IP Cores