Cirrus 3CFM Manual de usuario descargar pdf (Pagina 23)

CDB4228A

DS511DB1 23

REFCLK SELECT

ON

OFF

OSC

REFCLK_CTRL3

SPDIF_MCLK

REFCLK_CTRL2

REFCLK_CTRL1

REFCLK

REFCLK_CTRL0

DAP_MCLK

OSC

SPDIF_MCLK

REFCLK

MUX_ MCLK

OSC

VCC

GND GND

VCC

GND GND GND

GND

U1

12.2880 MHZ

1

7 8

14

NC

GND CLKOUT

+5V

C1

47nf

C2

47nf

C3

47nf

C4

47nf

R3

0

U2C

74AC125SC

9 8

10

R4

33

U2A

74AC125SC

2 3

1

U2D

74AC125SC

1211

13

R106

75

R1

33

JP1

HDR3X1

1

2

3

TP2

R2

33

TP1

JP2

HEADER 3X2

12

34

56

U2B

74AC125SC

5 6

4

SPDIF_MCLK

REFCLK

REFCLK_CTRL[3..0]

DAP_MCLK

Figure 15. Master Clock Circuit

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 35 36

Evaluation Board for CS4228A 1
CDB4228A 10

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