ADSP-214xx SHARC Processor Hardware Reference xxxi
Contents
INPUT DATA PORT
Features ...................................................................................... 11-2
Pin Descriptions ......................................................................... 11-3
SRU Programming ...................................................................... 11-5
Register Overview ....................................................................... 11-5
Clocking ..................................................................................... 11-6
Functional Description ............................................................... 11-6
Operating Modes ........................................................................ 11-8
PDAP Port Selection ............................................................. 11-9
Data Hold ............................................................................. 11-9
PDAP Data Masking ........................................................... 11-10
PDAP Data Packing ............................................................ 11-10
No Packing ..................................................................... 11-10
Packing by 2 ................................................................... 11-11
Packing by 3 ................................................................... 11-12
Packing by 4 ................................................................... 11-13
Data Transfer ............................................................................ 11-14
Data Buffer ......................................................................... 11-14
Core Transfers .................................................................... 11-15
SIP Data Buffer Format ................................................... 11-16
PDAP Data Buffer Format .............................................. 11-18
DMA Transfers .................................................................... 11-19
Data Buffer Format for DMA .......................................... 11-19
DMA Channel Priority ................................................... 11-20
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