CS98200 datasheet(51/60 Pages) CIRRUS

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DS581PP2

CS98200

Next Generation DVD Processor

8.5

Audio PCM Interface Pins

This is the audio PCM interface that connects to an audio CODEC. See Table 19. The sample rate and

the size of the samples are programmable for both input and output direction.

Signal Name

Type

Description

226

AUD_XCLK

Audio 256x/384x Clock input or output to Serial DAC. When

output, is generated from CS98200 internal PLL.

224

AUDO_BCK

Audio Bit Clock output to serial DAC.

222

AUDO_LR

Audio Out Left/Right Clock to serial DAC.

234

AUDO_D_0

Audio Serial Data Out[0].

227

AUDO_D_1

Audio Serial Data Out[1].

228

AUDO_D_2

Audio Serial Data Out[2].

229

AUDO_D_3

Audio Serial Data Out[3].

235

SPDIF_O

S/PDIF Output

201

AUDI_BCK

Audio Input Bit Clock. The CS98200 can be programmed to

use the Audio Output function’s internally generated bit

clock, in which case this pin is not required.

200

AUDI_LR

Audio Input Left/Right Clock. The CS98200 can be pro-

grammed to use the Audio Output function’s internally gen-

erated LR clock, in which case this pin is not required.

199

AUDI_D

Audio Input Data from Serial ADC.

Table 19. PCM Audio Interfa c e

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