Patent ID: 7145605

Claim:
An apparatus in a digital video signal processing system for synchronizing chroma data and luma data needed for a downstream process, the apparatus comprising: a first Ready To Send and Ready To Receive handshake block arranged to receive the luma data; a second RTS/RTR handshake block arranged to receive the chroma data; and a means, coupled to the first handshake block and to the second handshake block, for providing a Ready To Receive handshake signal to the first handshake block and to the second handshake block based at least in part on a determination that the first handshake block is ready to transfer the luma data while the second handshake block is ready to transfer the chroma data, and further for inhibiting provision of the RTR handshake signal based at least in part on a determination that at least one of the first handshake block and the second handshake block is not ready to transfer data.