at85c51snd3 ATMEL Corporation, at85c51snd3 Datasheet - Page 259

• Manufacturer Part Number: at85c51snd3
• Description: At85c51snd3 Single-chip Digital Audio Decoder - Encoder With Usb 2.0 Interface
• Manufacturer: ATMEL Corporation

Audio DAC Interface
Definition of symbols
Timings
Waveforms
External Clock Interface
Definition of symbols
7632D–MP3–01/07
Table 290. Audio DAC Interface Timing Symbol Definitions
Table 291. Audio Interface AC timings
V
Note:
Figure 155. Audio Interface Waveforms
Table 292. External Clock Timing Symbol Definitions
DCLK
DDAT
DSEL
C
O
S
t
t
t
t
t
t
t
C
CHCH
CHCX
CLCX
CLCH
CHCL
CLSV
CLOV
DD
= 1.65 to 3.6 V; T
Symbol
1. 32-bit format with Fs= 48 KHz.
Signals
Signals
t
CLOV
Clock
Data Out
Data Select
Clock
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
= -40 to +85°C, CL ≤ 30pF
Right
t
CHCX
t
CHCL
t
CHCH
Min
30
30
t
CLSV
H
L
V
X
t
H
L
X
CLCX
t
CLCH
325.5
Max
Conditions
10
10
10
10
Conditions
(1)
Left
High
Low
Valid
No Longer Valid
High
Low
No Longer Valid
Unit
ns
ns
ns
ns
ns
ns
ns
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