CS4294-JQ CIRRUS [Cirrus Logic], CS4294-JQ Datasheet - Page 29

• Manufacturer Part Number: CS4294-JQ
• Description: SoundFusion Audio/Docking Codec 97 (AMC 97)
• Manufacturer: CIRRUS [Cirrus Logic]

6.1.31 Vendor ID1 (Index 7Ch)
F[7:0]
S[7:0]
Default
6.1.32 Vendor ID2 (Index 7Eh)
T[7:0]
PID[3:0]
RID[2:0]
Default
DS326PP4
D15
D15
F7
T7
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.
D14
D14
F6
T6
First Character of Vendor ID.
43h - ASCII ‘C’ character.
Second Character of Vendor ID.
52h - ASCII ‘R’ character.
Read-only data 4352h.
Third Character of Vendor ID.
59h - ASCII ‘Y’ character.
Part ID.
See Table 9 below.
Revision ID
Read-only data 592Bh.
D13
D13
F5
T5
D12
D12
F4
T4
D11
D11
F3
T3
PID3-PID0
000
001
010
010
011
D10
D10
F2
T2
Table 9. Reg. 7Eh Defined Part ID’s
D9
F1
D9
T1
D3
0
1
D8
F0
D8
T0
S7
D7
D7
0
PID2
S6
D6
D6
Part Name
CS4297A
CS4297
CS4298
CS4294
CS4299
PID1
S5
D5
D5
PID0
S4
D4
D4
S3
D3
D3
1
RID2
D2
S2
D2
RID1
CS4294
S1
D1
D1
RID0
S0
D0
D0
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