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Altera_Forum
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16 years ago

Video IP Scaler control

Hello, I'm having trouble using the Scaler in the Video IP suite. I have instantiated the scaler using the megawizard and my control logic is custom. I have instantiated a fixed scaler ...
Altera_Forum's avatar
Altera_Forum
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16 years ago

The data is aligned as follows in the three color planes 8 bit RGB, 24 bit data bus into the Scaler following the ready latency of 1.

sp d0 d1 d2 ep

19:16 x W1 H2 x x

11:8 x W2 H3 H0 x

3:0 F W3 W0 H1 0x0

sp start of packet

ep end of packet

Width nibbles W(3-0)

Height nibbles H(3-0)

interlace at end of packet 0x0

this is where I was not able to find a lot of documentation

thanks for the reply