STA310 datasheet(76/90 Pages) STMICROELECTRONICS

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STA310

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the handling of the second input.

KAR_UPDATE

Change active Karaoke functions

Address: 0x93

Type: R/W

Reset Value: 0

Description:

This register loads the new Karaoke configuration

into the internal registers when UPDATE is set to ’1’.

When the bit is reset to ’0’ the system continues in the

configuration last loaded.

9.21 Second serial input registers

SFREQ2

Sampling frequency of voice channel

Address: 0x94

Type: RO

Reset Value: 0

Description:

This register sets the sampling frequency, Fs, of the

incoming PCM stream.

CANINPUT_MODE

Selection of input data format

Address: 0x95

Type: R/W

Reset Value: 0x00

Description;

This register specifies the input format for configuring

the handling of the second input.

9.22 Linear PCM (DVD audio) registers

LPCMA_DOWNMIX

Downmix

Address: 0x6F

Type: R/W

Software Reset: NC

Bitfield

Description

DINEN

DIN enable: 0: disabled, 1: enabled

WS[1:0]

PCM precision: 00: 16-bit mode, 01: 18-bit

mode, 10: 20-bit mode, 11: 24-bit mode

CLK_POL 0: Data and WS change on clockalling

edge

1: Data and WS change on clockising

edge

WS_POL

0: Left data word = WS low, right data word

= WS high

1: Left data word = WS high, right data

word = WS low

DELAY

0: First bit of data occurs on transition of

1: First bit of data occurs with 1 clock cycle

delay (I2S compatible)

JUSTIF

0: Left padded, 1: Right padded

765

Reserved

UPDATE

7654321

Reserved

Value

Fs (KHz) 48 44.1 32 -

96 88.2 64

24 22.05

Value

(decimal)

012

Fs (KHz) 16

12 11.02

- 192 176.4 128

Value

(decimal)

10 11 12

14 15 16

7654321

SWAP

MODE[6;0]

Bitfield

Description

MODE

[6:0]

0: 16 slots mode

1: 16 slots mode, LSB first

2: 32 slots mode, left aligned

3: 32 slots mode, right aligned

4: 32 slots mode, I2S mode

5: 32 slots mode, sign extended

6: 32 slots mode, 8-bit data

7: 32 slots mode16-bit data

SWAP

Channel swap: 0: Left channel first, 1: Right

channel firs

7654321

Reserved

Value

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