CM103+ C-Media Electronics, Inc., CM103+ Datasheet - Page 15

• Manufacturer Part Number: CM103+
• Description: 16-Bit Stereo USB Audio Controller
• Manufacturer: C-Media Electronics, Inc.

Date: 09/25/2005
CM103+ supports four-wire serial EEPROM interface. When an external serial
EEPROM is detected, Vendor ID, Product ID, and Product String reported within Device
Descriptor will be derived from the content of serial EEPROM. The setting values of
serial EEPROM is shown below:
6.2 EEPROM (93C46) CONTENT FORMAT
*Note: The first word of the EEPROM is a magic code. Only when it matches,
the IC will regard the serial EEPROM valid.
Address
16~63
00
01
02
03
04
05
06
07
08
09
10
12
13
14
15
11
USB Stereo Audio Chip for Digital Speakers Application
Bit 0: DRC Enable / Disable
String13, String12
String15, String14
String17, String16
String19, String18
String21, String20
String23, String22
String11, String10
- 15 -
0x434D
String1, String0
String3, String2
String5, String4
String7, String6
String9, String8
Product ID
Vender ID
Contents
--
(*Note1)
Version: 1.01
CM103+