STW5094AD 查看數據表（PDF） - STMicroelectronics

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STW5094AD

18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec

STMicroelectronics 

STw5094A

PROGRAMMABLE REGISTERS

Control Register CR0 Functions (Address: 0x00)

7

6

5

4

3

2

1

0

F(1:0) VFS CM MA IA FF B7

Function

0

0

0

1

1

0

1

1

MCLK or AUXCLK = 512 kHz

*

MCLK or AUXCLK = 1.536 MHz

MCLK or AUXCLK = 2.048 MHz

MCLK or AUXCLK = 2.560 MHz

0

Voice Data Fs is 8 kHz

*

1

Voice Data Fs is 16 kHz

0

Linear code

*

1

Companded code

Linear Code

Companded Code

0

0

0

1

1

0

1

1

2-complement

*

sign and magnitude

2-complement

1-complement

µ-law: CCITT D3-D4

*

µ-law: Bare Coding

A-law including even bit inversion

A-law: Bare Coding

0

B1 and B2 consecutive

1

B1 and B2 separated

(1) *

(1)

0 8 bits time-slot

1 7 bits time-slot

(1) *

(1)

(1): significant in companded mode only

*: state at power on initialization

Control Register CR1 Functions (Address: 0x01)

7

6

DM(1:0)

5

4

3

2

1

0

MR MX EN TS DL

Function

0X

1

0

1

1

delayed data timing

*

non-delayed normal data timing

non-delayed reverse data timing

X

0

DR connected to RX path

*

1

CR2A connected to RX path

(1)

0

TX path connected to DX

1

CR3A connected to DX

*

(1)

0

PCM I/F disabled

*

1

PCM I/F enabled

0

B1 channel selected

1

B2 channel selected

*

(1)

0 Normal operation

*

1 Digital Loopback (Data from DR is sent to DX with 1 frame delay)

(1) significant in companded mode only

*: state at power on initialization

X: reserved: write 0

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