Table of Contents
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Functional Description ................................................................................................................................ 36–2
ADSP-SC58x ASRC Register List ............................................................................................................ 36–2
ASRC Interrupt List ................................................................................................................................. 36–2
ASRC Block Diagram ............................................................................................................................... 36–2
SRU Programming ................................................................................................................................... 36–3
Clocking ................................................................................................................................................... 36–3
I/O Ports .................................................................................................................................................. 36–3
De-Emphasis Filter ................................................................................................................................... 36–4
Mute Control ........................................................................................................................................... 36–4
SRC Core ................................................................................................................................................. 36–4
RAM FIFO ........................................................................................................................................... 36–4
Digital Servo Loop ................................................................................................................................ 36–5
FIR Filter .............................................................................................................................................. 36–5
Sample Rate Sensing ............................................................................................................................. 36–5
Digital Filter Group Delay .................................................................................................................... 36–5
Data Format ............................................................................................................................................. 36–6
Operating Modes ......................................................................................................................................... 36–6
TDM Input Mode.................................................................................................................................... 36–6
TDM Output Mode................................................................................................................................. 36–6
Matched-Phase Mode ............................................................................................................................... 36–7
Bypass Mode ............................................................................................................................................ 36–8
De-Emphasis Mode .................................................................................................................................. 36–8
Dithering Mode........................................................................................................................................ 36–8
Muting Modes.......................................................................................................................................... 36–9
Soft Mute .............................................................................................................................................. 36–9
Hard Mute ............................................................................................................................................ 36–9
Auto Mute............................................................................................................................................. 36–9
Interrupts..................................................................................................................................................... 36–9
Sources ................................................................................................................................................... 36–10
SRC Mute Out .................................................................................................................................... 36–10
ADSP-SC58x/ADSP-2158x SHARC+ Processor Hardware Reference
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