CDB8422【PDF 29/46 页】BOARD EVAL FOR CS8422 RCVR

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Sheet目录1201

25页 26页 27页 28页 [29页]30页 31页 32页 33页

CDB8422

5. JUMPER SETTINGS

JMP

J20

J11

J8

J13

J17

J4

J9

J14

J18

J23

J31

J21

J29

LABEL

[No Label]

DC0

DC1

DC2

DC3

[No Label]

[No Label]

CS8406/TX

DIFF IN SEL

PURPOSE

Selects voltage source for the

CDB8422

Bypasses optical S/PDIF input DC

coupling capacitor

Selects S/PDIF input source to

receiver input pins of CS8422

Selects XTI clock source for

CS8422

Selects S/PDIF signal source for

J27 and J28

Connects AES3/EBU signal from

J19 to receiver input pins of

CS8422

POSITION

1-2

*2 - 3

SHUNTED

*OPEN

*1 - 2

2-3

1-2

*3 - 4

5-6

1-2

*2 - 3

*RXP0/RXN0

RXP1/RXN1

FUNCTION SELECTED

Voltage source is USB connection (J37).

Voltage source is +5 V binding post (J2).

0.01 μF series capacitor is shorted.

0.01 μF series capacitor in optical input path.

Optical S/PDIF input selected.

Coaxial S/PDIF input selected.

Crystal Y2 selected.

Oscillator Y1 selected.

MCLK from header J22 selected.

GPO2 S/PDIF pass through from CS8422 selected.

CS8406 S/PDIF output selected.

RXP0/RXN0 input pair selected.

RXP1/RXN1 input pair selected.

Table 7. Jumper Settings

Note:

Note:

All settings denoted by an asterisk (*) are the Default Factory Settings.

If a S/PDIF source is connected to the board, the AES3/EBU jumpers (J21 and J29) should be unpop-

ulated to ensure proper operation. If an AES3/EBU source is connected to the board, the S/PDIF

jumpers (J4, J9, J14, and J18) should be unpopulated to ensure proper operation.

6. LEDS

LED

D2

D3

D4

D8

D14

D15

LABEL

GPO2/NV_RERR

GPO0/V_AUDIO

GPO1/SRC_UNLOCK

USB PRESENT

DONE

INIT

Hardware Mode

NV/RERR (CS8422 pin 9)

V/AUDIO (CS8422 pin 10)

SRC_UNLOCK (CS8422 pin 30)

USB power indicator

FPGA programming finished

FPGA programming initialized

Software Mode

GPO2 (CS8422 pin 18)

GPO0 (CS8422 pin 16)

GPO1 (CS8422 pin 17)

USB power indicator

FPGA programming finished

FPGA programming initialized

Table 8. LEDs

DS692DB2

29

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