Rainbow-electronics AT89C5132 Manual de usuario descargar pdf (Pagina 150)

150

AT8xC5132

4173A–8051–08/02

Audio Interface

Definition of Symbols Table 139. Audio Interface Timing Symbol Definitions

Timings Table 140. Audio Interface AC timings

= 2.7 to 3.3V, T

= 0 to 70°C, CL ≤ 30pF

Note: 32-bit format with Fs = 48 kHz.

Waveforms Figure 128. Audio Interface Waveforms

Signals Conditions

C Clock H High

O Data Out L Low

S Data Select V Valid

X No Longer Valid

Symbol Parameter Min Max Unit

CHCH

Clock Period 325.5

(1)

CHCX

Clock High Time 30 ns

CLCX

Clock Low Time 30 ns

CLCH

Clock Rise Time 10 ns

CHCL

Clock Fall Time 10 ns

CLSV

Clock Low to Select Valid 10 ns

CLOV

Clock Low to Data Valid 10 ns

DCLK

CHCH

CLCX

CHCX

CLCH

CHCL

DSEL

DDAT

Right Left

CLSV

CLOV

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Rainbow-electronics AT89C5132 Manual de usuario Pagina 150