PCM2903C_14 Datasheet, PDF (18/30 Pages) Texas Instruments – Stereo Audio Codec with USB Interface, Single-Ended Analog Input/Output, and S/PDIF

PCM2903C
SBFS038 – JUNE 2012
DETAILED DESCRIPTION
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USB INTERFACE
Control data and audio data are transferred to the PCM2903C via D+ (pin 1) and D– (pin 2). All data to and from
the PCM2903C are transferred at full speed. The device descriprtor contains the information described in
Table 1.
USB revision
Device class
Device subclass
Device protocol
Max packet size for end-point 0
Vendor ID
Product ID
Device release number
Number of configurations
Vendor strings
Product strings
Serial number
Table 1. Device Descriptor
2.0 compliant
0x00 (device-defined interface level)
0x00 (not specified)
0x00 (not specified)
8 bytes
0x08BB
0x29C3
1.0 (0x0100)
1
String #1 (see Table 3)
String #2 (see Table 3)
Not supported
The configuration descriptor contains the information described in Table 2.
Interface
Power attribute
Maximum power
Table 2. Configuration Descriptor
Four interfaces
0xC0 (self-powered, no remote wakeup)
0x0A (20 mA)
The string descriptor contains the information described in Table 3.
Table 3. String Descriptor
#0
0x0409
#1
BurrBrown from Texas Instruments
#2
USB Audio CODEC⁽¹⁾
(1) Ensure that there are two blank spaces between "Audio" and "CODEC"; copying and pasting will not
transfer the two blank spaces correctly.
18
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