WTS701EMSLASHT datasheet(49/77 Pages) WINBOND

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WTS701

Publication Release Date: May 2003

- 49 -

Revision 3.09

7.6 CODEC INTERFACE

The WTS701 processor supports analog and digital telephony in various configurations. The WTS701

can be used in digital environments, along with a DSP that controls a CODEC. Therefore, the

WTS701 is configured to operate in slave mode, where the control signals are provided by an external

source, which is usually the DSP. It supports a variety of single channel CODECs, examples of which

are listed in Table 12.

The CODEC interface is designed to send data in short frame format as well as long frame format.

The channel width is 13 or 16 bits linear, the precision of the output is 10 bits. The operation mode of

the CODEC is configured by the COD configuration register and SCOD command. See subsection

7.4.3 for details.

•

The CODEC can be configured to transmit data in the unsigned or 2’s Complement mode

(see Table 13 for details).

•

The CODEC responds to both the Long and Short sync format (see Figure 16 and Figure 17).

•

The CODEC can be configured to tristate the VDX line after 13 or 16 bits.

Table 12. Supported CODEC Examples.

Manufacturer

CODEC

Device Name

Characteristics

Operating

Voltage

Conversion

Type

Data Format

OKI

ML7041

Single codec

3 V

14-bit linear

2s Complement

OKI

MSM7716

Single codec

3 V

14-bit linear

2s Complement

OKI

MSM7732-011

Single codec

3 V

14-bit linear

2s Complement

Motorola

MC145483

Single codec

3 V

13-bit linear

2’s Complement

Lucent

T8538B

Quad codec

3.3 V

16-bit linear

2’s Complement

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