AT89C51SND1C-ROTIL ATMEL Corporation, AT89C51SND1C-ROTIL Datasheet - Page 39

• Manufacturer Part Number: AT89C51SND1C-ROTIL
• Description: Single-Chip Microcontroller with MP3 Decoder and Man-Machine Interface
• Manufacturer: ATMEL Corporation

Audio Interface
Definition of Symbols
Timings
Waveforms
4106F–8051–10/02
Table 50. Audio Interface Timing Symbol Definitions
Table 51. Audio Interface AC Timings
V
Note:
Figure 25. Audio Interface Waveforms
DCLK
DDAT
DSEL
Symbol
T
T
T
T
T
T
T
DD
CHCH
CHCX
CLCX
CLCH
CHCL
CLSV
CLOV
= 2.7 to 3.3V, T
O
C
S
32-bit format with Fs = 48 kHz.
Signals
T
CLOV
Clock
Data Out
Data Select
Parameter
Clock Period
Clock High Time
Clock Low Time
Clock Rise Time
Clock Fall Time
Clock Low to Select Valid
Clock Low to Data Valid
A
= 0 to 70°C, CL ≤ 30pF
Right
T
CHCX
T
CHCL
T
CHCH
Min
T
30
30
CLSV
T
CLCX
T
CLCH
AT8xC51SND1C
H
V
X
L
325.5
Max
Conditions
10
10
10
10
(1)
Left
High
Low
Valid
No Longer Valid
Unit
ns
ns
ns
ns
ns
ns
ns
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