Data Sheet
USB Audio Controller
SN11220ACF
VI. EEPROM contents arrangement
The SN11220ACF supports an external EEPROM（93C46）to be installed for the
system manufacturers to customize the USB VID, PID and the vendor/product strings
being displayed in the OS to differentiate their own products with the others. The
maximum length of the vendor and product string is 16 ASCII characters each. Some
of the features supported by the chip can also be programmed through setting proper
values in the EEPROM. The table below shows the format of the EEPROM. The
detail is described in the following sub-section.
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2006 Aug 10, V1.01
SONIX [ SONIX TECHNOLOGY COMPANY ]
