92HD81B1C5NLGXUAX Integrated Device Technology (Idt), 92HD81B1C5NLGXUAX Datasheet - Page 23

• Manufacturer Part Number: 92HD81B1C5NLGXUAX
• Description: Audio Codec 2ADC / 2DAC 24-Bit 48-Pin VFQFPN EP Tray
• Manufacturer: Integrated Device Technology (Idt)
• Type: General Purposer

Specifications of 92HD81B1C5NLGXUAX

• Package: 48VFQFPN EP
• Adc/dac Resolution: 24 Bit
• Number Of Channels: 2ADC /2 DAC
• Sampling Rate: 192 KSPS
• Number Of Dac Outputs: 8
• Number Of Dacs: 2
• Operating Supply Voltage: 1.5|1.8|3.3|4|4.75|5 V

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
IDT™ CONFIDENTIAL
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
23
ADC0
L0
ADC0
ADC0
R23
RIGHT
Left Channel
Left Channel
DATA BLOCK
ADC1
ADC0
ADC0
R0
Stream Type (TYPE):
0: PCM
1: Non-PCM (not supported)
Sample Base Rate
0= 48kHz
1=44.1KHz
Sample Base Rate Multiple
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
ADC1
R23
RIGHT
Description
ADC1
R0
V 0.987 11/09
92HD81