Rainbow-electronics AT89C5132 Instrukcja Użytkownika Pobierz pdf (Strona 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X No Longer Valid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

1 2 ... 145 146 147 148 149 150 151 152 153 154 155 ... 161 162

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Rainbow-electronics AT89C5132 Instrukcja Użytkownika Strona 150