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Application Note 3
PD672X/30/32/33 — ZV Port Implementation
Contents
1.0 Introduction ..................................................................................................................5
2.0 Overview ........................................................................................................................6
3.0 Zoomed Video (ZV)....................................................................................................6
4.0 A Typical ZV Port Implementation ......................................................................6
5.0 Dedicated Socket Approach to ZV Port Implementation...........................9
6.0 Buffer Implementation for Audio DAC.............................................................10
7.0 ZV Port Implementation for Socket A and B.................................................11
8.0 Layout Guidelines....................................................................................................15
Figures
1 Typical ZV Port Implementation ............................................................................7
2 Dedicated Socket Approach to ZV Port Implementation .......................................9
3 Buffer Implementation for Audio DAC .................................................................10
4 ZV Port Implementation for Socket A and B........................................................11
Tables
1 PC Card, ZV Port, and PD6722 Pin Assignment ................................................11
2 PC Card, ZV Port, and PD6729 Pin Assignment ................................................12
3 PC Card, ZV Port, and PD6730/’6832 Pin Assignment.......................................13