BU94605AKV Datasheet, PDF (23/84 Pages) Rohm – AAC/WMA/MP3 +SD Memory Card +CD-ROM+MP3 Record

BU94605AKV BU94607AKV BU94702AKV BU94705AKV
Datasheet
Table 6. U Bit Format
L0 R0 L1 R1 L2 R2 L3 R3 L4 R4 L5 R5
00
0
0
0
0
0
0
0
0
0
0
0
10
0
0
0
0
0
0
0
0
0
0
0
21
0
0
0
0
0
0
0
0
0
0
0
31
0
0
0
0
0
0
0
0
0
0
0
::
:
:
:
:
:
:
:
:
:
:
:
97 1
0
0
0
0
0
0
0
0
0
0
0
P bit is set to 1 if the number of “1” contained in source codes 4-30 is odd, and set to 0 if the number is even.
Therefore, the number of source codes to be set to 1 for one data must be even, SPDIF ends with L output, and
preamble output always starts in the same direction.
7.2 Timing
,
Table 7. Timing
(Unless specified, Ta=25℃, VDD1=3.3V, Load=20pF )
Rating
Item
Symbol
min
typ
SPDIF Clock Frequency
Tck
-
2.822
SPDIF Clock High time
Tck1
157
177
SPDIF Clock Low time
Tck2
157
177
Output High Voltage
Voh
VDD1-0.4
-
Output Low Voltage
Vol
-
-
Unit
max
-
MHz
-
ns
-
ns
-
V
0.4
V
Remarks
Figure 22. SPDIF Output Timing
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TSZ02201-0V2V0E600090-1-2
2012.12.10 Rev.002