CM103 查看數據表（PDF） - C-Media Electronics

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CM103

16-Bit Stereo USB Audio Controller

C-Media Electronics 

CM103+

USB Stereo Audio Chip for Digital Speakers Application

6.2 EEPROM (93C46) CONTENT FORMAT

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:

Address

00

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16~63

Contents

0x434D (*Note1)

Vender ID

Product ID

String1, String0

String3, String2

String5, String4

String7, String6

String9, String8

String11, String10

String13, String12

String15, String14

String17, String16

String19, String18

String21, String20

String23, String22

Bit 0: DRC Enable / Disable

--

*Note: The first word of the EEPROM is a magic code. Only when it matches,

the IC will regard the serial EEPROM valid.

Date: 09/25/2005

- 15 -

Version: 1.01

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