WM8900LGEFK/RV Wolfson Microelectronics, WM8900LGEFK/RV Datasheet - Page 66
WM8900LGEFK/RV
Manufacturer Part Number
WM8900LGEFK/RV
Description
Audio CODECs Ultra Low Power Hi-Fi CODEC
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8900LGEFKRV.pdf
(117 pages)
Specifications of WM8900LGEFK/RV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Quantity
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Part Number:
WM8900LGEFK/RV
Manufacturer:
WOLFSON
Quantity:
20 000
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WM8900
w
Figure 31 TDM with Processor as Master
Note: The WM8900 is a 24-bit device. If the user operates the WM8900 in 32-bit mode then the 8
LSBs will be ignored on the receiving side and not driven on the transmitting side. It is therefore
recommended to add a pull-down resistor if necessary to the DACDAT line and the ADCDAT line
in TDM mode.
AUDIO DATA FORMATS (NORMAL MODE)
In Left Justified mode, the MSB is available on the first rising edge of BCLK following a LRCLK
transition. The other bits up to the LSB are then transmitted in order. Depending on word length,
BCLK frequency and sample rate, there may be unused BCLK cycles before each LRCLK
transition.
Figure 32 Left Justified Audio Interface (assuming n-bit word length)
In Right Justified mode, the LSB is available on the last rising edge of BCLK before a LRCLK
transition. All other bits are transmitted before (MSB first). Depending on word length, BCLK
frequency and sample rate, there may be unused BCLK cycles after each LRCLK transition.
Or similar
WM8900
CODEC
WM8900
BCLK
ADCLRC
DACLRC
ADCDAT
DACDAT
BCLK
ADCLRC
DACLRC
ADCDAT
DACDAT
Processor
PD, August 2008, Rev 4.0
Production Data
66
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