CXD3003 datasheet(44/137 Pages) SONY

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CXD3003R

Command

Data 1

Audio CTRL

Mute

ATT

D23

D22

D21

D20

Data 2

PCT1

PCT2

D19

D18

DADS

SOC2

D17

D16

$AX commands

Command bit

Mute = 0

Mute = 1

Mute off if other mute

conditions are not set.

Mute on. Peak register

reset.

Meaning

Command bit

ATT = 0

ATT = 1

Attenuation off

–12dB

Meaning

Mute conditions

(1) When register A mute = 1.

(2) When Mute pin = 1.

(3) When register 8 D.out Mute F = 1 and the Digital Out is on (MD2 pin = 1).

(4) When GFS stays low for over 35ms (during normal speed).

(5) When register 9 BiliGL MAIN = Sub = 1.

(6) When register A PCT1 = 1 and PCT2 = 0.

(1) to (4) perform zero-cross muting with a 1ms time limit.

Command bit

PCT1

PCT2

Normal mode

Level meter mode

Peak meter mode

Normal mode

× 0dB

Mute

× 0dB

C1: double; C2: quadruple

C1: double; C2: double

Meaning

PCM Gain

ECC error correction ability

Description of level meter mode (see Timing Chart 1-4.)

• When the LSI is set to this mode, it performs digital level meter functions.

• When the 96-bit clock is input to SQCK, 96 bits of data are output to SQSO.

The initial 80 bits are Sub Q data (see §2. Subcode Interface). The last 16 bits are LSB first, which are 15-bit

PCM data (absolute values) and an L/R flag.

The L/R flag is high when the 15-bit PCM data is from the left channel and low when the data is from the right

channel.

• The PCM data is reset and the L/R flag is reversed after one readout.

Then maximum value measuring continues until the next readout.

CXD3003 Datasheet(PDF) 44 Page - Sony Corporation

CXD3003 Datasheet(HTML) 44 Page - Sony Corporation

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