WM8523GEDT/R Wolfson Microelectronics, WM8523GEDT/R Datasheet - Page 21

• Manufacturer Part Number: WM8523GEDT/R
• Description: DAC, STEREO, 2VRMS, 2CH, 20TSSOP
• Manufacturer: Wolfson Microelectronics

Specifications of WM8523GEDT/R

• Resolution (bits): 24bit
• Sampling Rate: 192kSPS
• Input Channel Type: Serial
• Digital Ic Case Style: TSSOP
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (15-Dec-2010)
• Base: RoHS Compliant
• Data Interface: I2C, Serial, SPI
• Supply Voltage Range - Analogue: 2.97V To 3.63V
• Rohs Compliant: Yes

Pre-Production
DIGITAL AUDIO INTERFACE
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The digital audio interface is used for inputting audio data to the WM8523. The digital audio interface
uses three pins:
In software control mode, all interface data formats and modes of operation can be selected.
hardware control mode, only a subset of formats and modes are supported – see the Hardware Interface
Control section on page 32 for details.
MASTER AND SLAVE MODE OPERATION
The WM8523 digital audio interface can operate as a master or as a slave as shown in Figure 14 and
Figure 15.
Figure 14 Slave Mode
INTERFACE FORMATS
The WM8523 supports five different audio data formats:
PCM operation is supported using the DSP mode. All seven of these modes are MSB first. They are
described in Audio Data Formats on page 22. Refer to the “Electrical Characteristics” section for timing
information. Refer to Table 10 for interface control format register settings.
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DACDAT: DAC data input
LRCLK: Left/Right data alignment clock
BCLK: Bit clock, for synchronisation
Left justified
Right justified
I
DSP Mode A
DSP Mode B
2
S
Figure 15 Master Mode
PP, Rev 3.0, July 2009
WM8523
21
In