CS4294 Datasheet, PDF (29/42 Pages) Cirrus Logic – SoundFusion Audio/Docking Codec 97 (AMC 97)

CS4294
6.1.31 Vendor ID1 (Index 7Ch)
D15 D14 D13 D12 D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
F7 F6 F5 F4 F3 F2 F1 F0 S7 S6 S5 S4 S3 S2 S1 S0
F[7:0]
S[7:0]
Default
First Character of Vendor ID.
43h - ASCII ‘C’ character.
Second Character of Vendor ID.
52h - ASCII ‘R’ character.
Read-only data 4352h.
6.1.32 Vendor ID2 (Index 7Eh)
D15 D14 D13 D12 D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
T7 T6 T5 T4 T3 T2 T1 T0
0 PID2 PID1 PID0 1 RID2 RID1 RID0
T[7:0]
PID[3:0]
RID[2:0]
Default
Third Character of Vendor ID.
59h - ASCII ‘Y’ character.
Part ID.
See Table 9 below.
Revision ID
Read-only data 592Bh.
The two Vendor ID registers provide a means to determine the manufacturer of the AC ’97 Codec.
The first three bytes of the ID registers contain the ASCII code for the first 3 letters of Crystal (CRY).
The final byte of the Vendor ID2 register is divided into a Part ID field and a Revision field. Table 9
lists the Part ID’s defined to date.
PID3-PID0
D3
000
001
010
0
010
1
011
Part Name
CS4297
CS4297A
CS4298
CS4294
CS4299
Table 9. Reg. 7Eh Defined Part ID’s
DS326PP4
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