beautypg.com

1 default jumper settings, Crd5378 – Cirrus Logic CRD5378 User Manual

Page 7

background image

CRD5378

DS639RD2

7

1.2.1

Default Jumper Settings

* indicates the default 0

Ω jumper installations for CRD5378.

Amplifier

CS3301A

CS3302A

CH1

U19

R8 + R9

*R10

Table 1. Amplifier Pin 13 Jumper Setting

Input Clock

Resistor

EXTERNAL CLOCK

R2

1.024 MHz

R70

2.048 MHz

R4

4.096 MHz

R3

32.768 MHz

*R60

Table 2. System Clock Input Setting

Digital Filter Clock

Resistor

4.096 MHz Manchester

R15 + R41 + R42

2.048 MHz Manchester

R42

1.024 MHz Manchester

R41

32.768 MHz

R41+R42

4.096 MHz

R15

2.048 MHz

R15+R42

1.024 MHz

R15+R41

32.768 MHz

*Not Populated

Table 3. CS5378 PLL Mode Select Setting (R15, R41, R42)

Sync Source

Jumper

RS-485

*R47 + *R48

Direct Output

R49 + R50 + R45

Table 4. Input SYNC Source Selection Setting

Sync Source

Jumper

SYNC

*R71 (Not Populated)

SYNC_IO

R71

Table 5. CS5378 SYNC Source Selection Setting