參數(shù)資料
型號(hào): AK4101VQ
英文描述: Consumer IC
中文描述: 消費(fèi)性IC
文件頁(yè)數(shù): 13/28頁(yè)
文件大?。?/td> 330K
代理商: AK4101VQ
ASAHI KASEI
[AK4101]
MS0076-E-01
2001/12
- 13 -
BLS
C (or U,V)
LRCK
C(L0)
C(R0)
C(L1)
C(R31)
C(L31)
C(L32)
C(R191)
SDTI
(except I
2
S)
L191
R191
L0
R30
R31
L31
SDTI
(I
S)
L191
R191
L30
L31
R30
L0
R190
R0
Figure 2. Audio routing mode timing (AKMODE=1)
Block Start Timing
Normal mode
In normal mode (TRANS=0), the block start signal is an output. It goes “H” two bit cycle after the beginning of B
channel of frame 0 in each block, and stays “H” for the first 32 frames.
Audio routing mode (transparent mode)
In audio routing mode (transparent mode) (ANS=TRANS=1), the block start becomes an input. Except in I
2
S mode, a
block start signal sampled any time from the first positive BICK edge of the previous left channel to the positive BICK
edge preceding the transition of an LRCK indicating the left channel will result in the current left channel being taken as
the first sub frame of the current block. See Figure 3 below.
LRCK
(except I
2
S)
BICK
Left Sub-Frame A
Left Sub-Frame B
LRCK
(I
2
S)
Left Sub-Frame A
Left Sub-Frame B
Figure 3. Block start timing in audio routing mode
A block start signal arriving in the time frame shown will result in the usage of
"Left Sub-Frame B" as the first sub-frame of the block.
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