92hd81 Integrated Device Technology, 92hd81 Datasheet - Page 22

• Manufacturer Part Number: 92hd81
• Description: Single Chip Pc Audio System
• Manufacturer: Integrated Device Technology

SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
ADC0.CnvrtID.Channel = 0
ADC1.CnvrtID.Channel = 2
ADC0.CnvrtID.Channel = 2
ADC1.CnvrtID.Channel = 0
BITCLK
SDI
ADC[1:0] Cnvtr
The following figure describes the bus waveform for a 24-bit, 48KHz capture stream with ID set to 1.
0
STREAM ID
0
ADC1 CnvtrID
ADC0 CnvtrID
Stream ID
Stream ID
0
1
[15]
[14]
[13:11]
STREAM TAG
0
Bit Number
Length
Length
Data
Data
0
DATA LENGTH
Figure 4. Multi-channel timing diagram
1
Table 6. Example channel mapping
Left Channel
Left Channel
Figure 3. Multi-channel capture
1
ADC0
ADC1
0
StrmType
FrmtSmplRate
SmplRateMultp
0
Sub Field Name
(NID = 0x08)
[3:0]
(NID = 0x07)
[3:0]
ADC0
Table 7: Mult-channel
L23
Right Channel
Right Channel
LEFT
ADC0
ADC1
22
ADC0
L0
ADC0
ADC0
R23
RIGHT
Left Channel
Left Channel
DATA BLOCK
ADC1
ADC0
ADC0
R0
Sample Base Rate Multiple
Stream Type (TYPE):
0: PCM
1: Non-PCM (not supported)
Sample Base Rate
0= 48kHz
1=44.1KHz
000=48kHz/44.1kHz or less
001= x2
010= x3 (not supported)
011= x4
100-111= Reserved
Ch = 2
Ch=0
ADC1
L23
LEFT
Right Channel
Right Channel
ADC1
L0
ADC1
ADC1
ADC0
92HD81
ADC1
R23
RIGHT
Description
ADC1
R0
PC AUDIO
V 0.97 01/09