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USB INTERFACE

PCM2912

SLES216 – FEBRUARY 2008

Control data and audio data are transferred to the PCM2912 via D+ (pin 4) and D– (pin 3). All data to/from the

PCM2912 are performed in full-speed. The following information is described in the device descriptor. The device

descriptor can be modified on request.

Table 1. Device Descriptor

USB revision

2.0 compliant

Device class

0x00 (device defined interface level)

Device sub class

0x00 (not specified)

Device protocol

0x00 (not specified)

Max packet size for endpoint 0

8 byte

Vendor ID

0x08BB

Product ID

0x2910

Device release number

0x0100 (1.00)

Number of configurations

1

Vendor string

String #1 (refer to Table 3)

Product string

String #2 (refer to Table 3)

Serial number

Not supported

The following information is described in the configuration descriptor. The configuration descriptor can be

modified on request.

Table 2. Configuration Descriptor

Interface

3 interfaces

Power attribute

0x80 (Bus powered, no remote wakeup)

Max power

0x32 (100 mA at POWER=Low) / 0xFA (500mA at POWER = High)

The following information is described in the string descriptor. The string descriptor can be modified on request.

Table 3. String Descriptor

#0

0x0409

#1

Burr-Brown from TI

#2

USB audio CODEC

18

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Product Folder Link(s): PCM2912