IDT92HD90B0X5NLGXYAX8 IDT, Integrated Device Technology Inc, IDT92HD90B0X5NLGXYAX8 Datasheet - Page 39
IDT92HD90B0X5NLGXYAX8
Manufacturer Part Number
IDT92HD90B0X5NLGXYAX8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT92HD90B0X5NLGXYAX8.pdf
(298 pages)
Specifications of IDT92HD90B0X5NLGXYAX8
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92HD90
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
LRCLK
DOUT /
LRCLK
DOUT /
SCLK
SCLK
LRCLK
DOUT /
DIN
DIN
SCLK
DIN
Left Justified
Right Justified
I2S
Previous Sample
Previous Sample
Previous Sample
2.26.3. Right Justified Audio Interface (assuming n-bit word length)
2.26.4. I
L23
L23
L22
L22
In Right Justified mode, the LSB is available on the last rising edge of SCLK before a LRCLK transi-
tion. All other bits are transmitted in order. The LRCLK signal is high when left channel data is pres-
ent and low when right channel data is present.
In I
The other bits up to the LSB are then transmitted in order.
2
L21
L21
S Format Audio Interface
L20 L19
L20 L19
2
Left Channel
Left Channel
Figure 12. Right Justified Audio Interface (assuming 24-bit word length)
Left Channel
S mode, the MSB is available on the second rising edge of SCLK following a LRCLK transition.
0
Figure 11. Left Justified Audio Interface (assuming 24-bit word length)
Figure 13. I
L18
L18
L17
L17
L16 L15
L16 L15
L23
L14
L14
L22
2
L13
L13
S Justified Audio Interface (assuming 24-bit word length)
Word Length (WL)
Word Length (WL)
L21
L12 L11
L12 L11
L20 L19
L10
L10
L18
L09
L09
L17
Fs/2
L08 L07
L08 L07
L16 L15
Fs/2
Fs/2
L06
L06
L14
L05
L05
L13
Word Length (WL)
L04 L03
L04 L03
L12 L11
39
L02
L02
L10
L01
L01
L09
L00
L00
L08 L07
L06
L05
0
0
L04 L03
L02
L01
L00
R23
R23
R22
R22
R21
R21
Right Channel
R20
R20
Right Channel
Right Channel
0
R19
R19
R18
R18
R17
R17
R16 R15
R16 R15
R23
R14
R14
R22
R13
R13
R21
V 0.91 10/10
92HD90
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