VT1616 Просмотр технического описания (PDF) - Unspecified

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VT1616

6-Channel AC97 Codec with S/PDIF

Unspecified 

VT1616 6-Channel AC97 Codec with S/PDIF

Vendor Reserved Register (Index 5Ch)

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Default

Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. LBE 0000h

LBE

Loopback Test Mode Engage

When set to “1”, it will allow the functionality of 20h_7, Loopback test mode.

Res.

Test Mode Bits

These read/write bits are used for testing the digital modes of the audio codec. Do not access them

during Normal operation.

Vendor Identification Register (Index 7Ch)

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Default

F7 F6 F5 F4 F3 F2 F1 F0 S7 S6 S5 S4 S3 S2 S1 S0 4943h

The upper and lower byte of this register (index 7Ch), in conjunction with the upper byte of index register 7Eh, make up

the vendor identification code for the VT1616. The Vendor ID Code (in ASCII format) is equal to “ICE”, where:

F[7:0]

Upper Byte (Index 7Ch) D[15:8] = I

S[7:0]

Lower Byte (Index 7Ch) D[7:0] = C

T[15:8]

Upper Byte (Index 7Eh) D[15:8] = E

Revision Identification Register (Index 7Eh)

D15 D14 D13 D12 D11 D10 D9 D8

T7 T6 T5 T4 T3 T2 T1 T0

D7 D6 D5 D4 D3 D2 D1 D0 Default

REV7 REV6 REV5 REV4 REV3 REV2 REV1 REV0 4551h

The upper byte of this register is used in conjunction with index register 7Ch to make up the Vendor ID code for the

VT1616. The lower byte identifies VT1616 and its revision code.

T[15:8]

See description in Vendor Identification Register.

REV[7:0]

Revision ID

“51”: VT1616 identification and revision number

Note: As a reference, other valid Rev IDs associated with VIA AC’97 products are: “01h” for the VT1611 (ICE1230), “11h” for

the VT1611A (ICE1232), and “14h” for the ICE1232A (this part has no corresponding VIA part number).

Revision 1.5, October 11, 2002

26

Data Sheet

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