AKM AKD4127-A Manual - Page 6

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ASAHI KASEI

Other jumper pins set up

1. JP1 (RX) : Select of RX input

COAX:

COAX input.

RX:

Optical input. <Default>

2. JP5 (CKSO) : AK4114 BICK and LRCK setting

BICK: 2.048MHz ∼ 12.288MHz, LRCK: 32kHz ∼ 192kHz

BICK: 2.048MHz ∼ 6.144MHz, LRCK: 32kHz ∼ 96kHz <Default>

When BICK and LRCK frequencies are changed, the value of X'tal (X1) frequency should be changed.

3. JP8 (TX) : Select of TX output

BNC:

BNC connector (J2) output.

OPT:

Optical (PORT4) output. <Default>

The function of the toggle SW

Upper-side is "H" and lower-side is "L".

[SW1] (PDN): Resets the AK4127 and the AK4114. Keep "H" during normal operation.

The AK4127 and the AK4114 should be resets once bringing "L" upon power-up.

[SW2] (SMUTE): Soft mute of AK4127

Indication for LED

[LED1] (UNLOCK): Monitor UNLOCK pin of the AK4127. LED turns on when unlock occurs.

[LED2] (ERF): Monitor INT0 pin of the AK4114 (U3). LED turns on when unlock or parity error occurs.

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[AKD4127-A]

2006/11