參數(shù)資料
型號: CS8420-DSZ
廠商: Cirrus Logic Inc
文件頁數(shù): 6/94頁
文件大?。?/td> 0K
描述: IC CONV S/R DGTL AUDIO 28-SOIC
標準包裝: 27
類型: 采樣率轉換器
應用: 數(shù)字音頻
安裝類型: 表面貼裝
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 28-SOIC
包裝: 管件
產(chǎn)品目錄頁面: 759 (CN2011-ZH PDF)
其它名稱: 598-1729
14
DS245F4
CS8420
4.
DATA I/O FLOW AND CLOCKING OPTIONS
The CS8420 can be configured for nine connectivity alternatives, referred to as data flows. Each data flow has an
associated clocking set-up. Figure 6 shows the data flow switching, along with the control register bits which control
the switches. This drawing only shows the audio data paths for simplicity. Figure 7 shows the internal clock routing
and the associated control register bits. The clock routing constraints determine which data routing options are ac-
tually usable.
Serial
Audio
Input
AES3
Encoder
Serial
Audio
Output
Receiver
Sample
Rate
Converter
RXP
RXN
ILRCK
ISCLK
SDIN
OLRCK
OSCLK
SDOUT
TXP
TXN
AES3
TXOFF
AESBP
SPD1-0
TXD1-0
SRCD
Figure 6. Software Mode Audio Data Flow Switching Options
SIMS
PLL
TXP
TXN
SDOUT
OSCLK
OLRCK
OMCK
RMCK
RXP
ILRCK
ISCLK
SDIN
MUX
SWCLK
UNLOCK
0
1
0
1
0
1
CHANNEL
STATUS
MEMORY
USER
BIT
MEMORY
TRANSMIT
AES3
SERIAL
AUDIO
OUTPUT
INC
RXD0
MUX
0
1
OUTC
SERIAL
AUDIO
INPUT
RXD1
MUX
0
1
÷
CLK[1:0]
÷
RMCKF
SAMPLE
RATE
CONVERTER
Figure 7. CS8420 Clock Routing
*Note: When SWCLK mode is enabled, signal input on OMCK is only output through RMCK and not
routed back through the RXD1 multiplexer; RMCK is not bi-directional in this mode.
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