參數(shù)資料
型號: AK4140VF
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Digital BTSC Decoder
中文描述: 數(shù)字BTSC解碼器
文件頁數(shù): 17/43頁
文件大小: 538K
代理商: AK4140VF
ASAHI KASEI
[AK4140]
Cascade TDM Mode
The AK4140 supports cascading connection of up to four devices in a daisy chain configuration at TDM256 mode. In this
mode, SDTO pin of device #N is connected to TDMIN pin of device #(N+1). The device can output up to 8ch TDM data
multiplexed with TDMIN data. Figure 8 shows a connection example of a daisy chain.
MCLK
48kHz
256fs
(TDMIN of
AK4140 #3)
LRCK
SCLK
AK4140 #1
TDMIN
SDTO
256fs or 512fs
GND
LRCK
SCLK
AK4140 #2
TDMIN
SDTO
MCLK
Figure 9. Cascade TDM Connection Diagram
LRCK
SCLK (256fs)
#1 SDTO(o)
= #2 TDMIN(i)
14
0
L #1
32 BICK
256 BICK
14
0
R #1
32 BICK
15
15
14
0
L #4
32 BICK
14
0
R #4
32 BICK
14
15
15
15
14
0
L #3
32 BICK
14
0
R #3
32 BICK
15
15
14
0
L #2
32 BICK
14
0
R #2
32 BICK
15
15
14
0
L #1
32 BICK
14
0
R #1
32 BICK
15
15
#2 SDTO(o)
= #3 TDMIN(i)
#3 SDTO(o)
= #4 TDMIN(i)
#4 SDTO(o)
14
0
L #3
32 BICK
14
0
R #3
32 BICK
15
15
14
0
L #2
32 BICK
14
0
R #2
32 BICK
15
15
14
0
L #1
32 BICK
14
0
R #1
32 BICK
15
15
14
15
14
0
L #2
32 BICK
14
0
R #2
32 BICK
15
15
14
0
L #1
32 BICK
14
0
R #1
32 BICK
15
15
14
15
14
15
Figure 10. Cascade TDM Timing (4devices)
MS0547-E-01
2007/03
- 17 -
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