参数资料
型号: SI4731-D50-EVB
厂商: Silicon Laboratories Inc
文件页数: 12/164页
文件大小: 0K
描述: BOARD EVAL SI4730/SI4731-D50
标准包装: 1
类型: 接收器
频率: 520kHz ~ 1.71MHz,64MHz ~ 108MHz
适用于相关产品: SI4731
已供物品:
Si47xx-EVB
2.1.3. Reference Clock
Daughterboard
Jumper
J57
X1
DIS_INT_RCLK
32.768 kHz
INT RClk
Si47xx
INT_RCLK
Jumper
J52
9
RCLK
EXT_RCLK
J54
EXT
RClk
Figure 6. Reference Clock Block Diagram
The Si47xx accepts a 32.768 kHz reference clock at the RCLK pin. On the EVB, this clock is provided by a
precision crystal oscillator. The user has the option of not using the onboard oscillator and bringing in the reference
clock from an external source through SMA connector J54.
When the user chooses to provide an external RCLK, jumper J52 has to be set accordingly. The user has the
option to turn off the onboard crystal oscillator by installing jumper J57.
2.1.4. Audio I/O
EVB In (TX only)
TX: Analog/Digital In
J7
RCA In
47xx Audio2
TX: Analog In
RX: Digital Out
Audio2
Select
47xx Audio1
TX: Digital In
RX: Analog Out
Audio1
Select
EVB Out (RX only)
RX: Analog/Digital Out
J6
RCA Out
Jumper
J5&J13
AUDIO2
AUDIO1
1
16 LIN/ DFS2
LOUT/ DFS1 14
0
0
J19
Line In
0
15 RIN/ DOUT
ROUT/ DIN 13
1
1
J30
Line Out
DOUT
DIN
(white)
CODEC IN
LINE
IN
AUDIO2
Si47xx
(Daughterboard)
AUDIO1
CODEC OUT
LINE
OUT
(black)
0
To_TX
From_RX
OUT
J19
SPDIF In
(white)
S/PDIF IN
SPDIF
DOUT
IN
1
Jumper
J45
From_RX
To_TX
Jumper
J44
S/PDIF OUT
SPDIF
DIN
J30
SPDIF Out
(black)
Digital Input
Select
Note: Jumper J44 and J45 are automatically configured in EVB Rev 1.3.
Figure 7. Audio I/O Block Diagram
12
Rev. 0.8
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