Table 2. jumper/switch settings, Cdb4271 – Cirrus Logic CDB4271 User Manual

Page 10

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CDB4271

10

JUMPER /

SWITCH

PURPOSE

POSITION

FUNCTION SELECTED

M/S[1:0]

(S1)

Subclock Master/Slave Select

*00

01
10

11

CS4271 is Master
CS8416 is Master
CS8406 is Master
PCM Header, J26, is Master

MCLK[1:0]

(S1)

Master Clock Source Select

*00

01
10

11

CS8416 Provides MCLK
CS4271 Provides MCLK
PCM Header, J26, Provides MCLK
PCM Header, J26, Provides MCLK

Header/8416

(S1)

CS4271 SDIN Source Select

*0

1

CS8416 Provides SDIIN
PCM Header, J26, Provides SDIN

Coaxial/

Optical

(S1)

Optical or Coaxial S/PDIF

Input Select

*0

1

Optical Input
Coaxial Input

I2S/LJ

(S1)

Digital Interface Format Select

*0

1

Left Justified, 24-bit
I

2

S, 24-Bit

128/256

(S1)

Master Clock Speed Select

*0

1

256*Fs
128*Fs

M[1:0]

(S1)

CS4271 Speed Mode Select

00

*01

10

11

Single-Speed Mode, with De-emphasis
Single-Speed Mode, w/out De-emphasis
Double-Speed Mode
Quad-Speed Mode

J11, J19

Selects LED or Mute Circuit for

AOUTA, AOUTB

1

*2

Mute Circuit Affects Analog Output
Mute Circuit Disconnected (LED displays
xMUTEC status)

J10

Selects source of voltage for

the VA supply

*+5V

ADJ

Voltage source is J1, +5.0 V binding post
Voltage source is J5, VA binding post

J9

Selects source of voltage for

the VD supply

*+5V

+3.3V

ADJ

Voltage source is J1, +5V binding post
Voltage source is +3.3 V regulator
Voltage source is J3, VD binding post

J8

Selects source of voltage for

the VL supplies

*+5V

+3.3V

ADJ

Voltage source is J1, +5V binding post
Voltage source is +3.3 V regulator
Voltage source is J2, VL binding post

J13, J14,
J15, J20,

J21, J22

Selects DAC Output Filter

*1

2

Selects standard 2-pole filter
Inserts instrumentation-amp and resistor
divider.

*Default factory settings

Table 2. Jumper/Switch Settings

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