Rainbow Electronics AT89C5132 - Manual (Page 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
V
DD
= 2.7 to 3.3V, T
A
= 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X No Longer Valid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
T
CHCH
Clock Period 325.5 (1) ns
T
CHCX
Clock High Time 30 ns
T
CLCX
Clock Low Time 30 ns
T
CLCH
Clock Rise Time 10 ns
T
CHCL
Clock Fall Time 10 ns
T
CLSV
Clock Low to Select Valid 10 ns
T
CLOV
Clock Low to Data Valid 10 ns
DCLK
T
CHCH
T
CLCX
T
CHCX
T
CLCH
T
CHCL
DSEL
DDAT
Right Left
T
CLSV
T
CLOV