92HD71B7 Datasheet, PDF (112/216 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER

92HD71B7
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
PC AUDIO
8.12.4.1. ADC1 Cnvtr
Bit
Bitfield Name
[10.:8]
SmplRateDiv
[7]
[6.:4]
Rsvd1
BitsPerSmpl
[3.:0]
NmbrChan
RW
Reset
RW 0
R
0
RW 3
RW 1
Description
Sample base rate divider: 000b= Divide
by 1 (48kHz/44.1kHz); 001b= Divide by
2 (24kHz/20.05kHz); 010b= Divide by 3
(16kHz/32kHz); 011b= Divide by 4
(11.025kHz); 100b= Divide by 5
(9.6kHz); 101b= Divide by 6 (8kHz);
110b= Divide by 7; 111b= Divide by 8
(6kHz)
Reserved.
Bits per sample: 000b= 8 bits; 001b= 16
bits; 010b= 20 bits; 011b= 24 bits;
100b= 32 bits; 101b-111b= Reserved
Total number of channels in the stream
assigned to this converter:
0000b-1111b= 1-16 channels.
8.12.5. ADC1 ProcState
Get
Verb ID
F03
Payload
00
Response
See bitfield table.
8.12.5.1. ADC1 ProcState
Bit
Bitfield Name
[31.:8]
Rsvd2
[7]
HPFOCDIS
[6.:2]
[1.:0]
Rsvd1
ADCHPFByp
RW
Reset
R
000000
RW 0
R
00
RW 1
Description
Reserved.
HPF offset calculation disable. 1 = cal-
culation disabled; 0 = calculation en-
abled.
Reserved.
Processing State: 00b= bypass the ADC
HPF ("off") 01b-11b= ADC HPF is en-
abled ("on" or "benign").
IDT™ CONFIDENTIAL AND PROPRIETARY
112
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
92HD71B7
V 0.9 07/07