AK4543 Datasheet, PDF (21/31 Pages) Asahi Kasei Microsystems – AC’97 Rev 2.1 Multimedia Audio CODEC

[ASAHI KASEI]
[AK4543]
n Vendor ID Registers (Index 7Ch , 7Eh)
This register is a read only register that is used to determine the specific vendor identification. The ID method is Microsoft Plug and
Play Vendor ID code with upper byte of 7Ch register, the first character of that id, lower byte of 7Ch register, the second character and
upper byte of 7Eh register the third character. These three characters are ASCII encoded. Lower byte of 7E register is for the Vendor
Revision number.
AKM’s vender ID is “AKM”, and revision number is 02. As ASCII code “A” is 41h, “K” is 4Bh, and “M” is 4Dh,
Vendor ID registers are 414Bh and 4D0 2h respectively.
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1999/01