AD1985 Analog Devices, AD1985 Datasheet - Page 34

• Manufacturer Part Number: AD1985
• Description: AC'97 2.3 Soundmax Codec W/jack Sensing
• Manufacturer: Analog Devices

AD1985
EQ Data Register (Index 0x62)
Reg.Num. Name
0x62
This read/write register is used to transfer EQ biquad coefficients into memory.
The register data is transferred to, or retrieved from the address pointed to by the BCA bits in the EQ CNTRL register (0x60).
Da a wil be wr tten to memo y only if the EQM b t (Register 0x60 Bit 15) is as er ed
CFD[15:0]
t
l
EQ DATA CFD15 CFD14 CFD13 CFD12 CFD11 CFD10 CFD9 CFD8 CFD7 CFD6 CFD5 CFD4 CFD3 CFD2 CFD1 CFD0 0x0000
i
Coefficient Data. The bi-quad coefficients are fixed-point format values with 16 bits of resolution. The CFD15 bit is the MSB
and the CFD0 bit is the LSB.
D15
D14
r
D13
D12
i
D11
D10
Rev. 0 | Page 34 of 48
D9
D8
s t .
D7
D6
D5
D4
D3
D2
D1
D0
Default