ADAU1781 Analog Devices, ADAU1781 Datasheet - Page 65

• Manufacturer Part Number: ADAU1781
• Description: SigmaDSP Low-noise Stereo Audio Codec for Portable Applications
• Manufacturer: Analog Devices

Specifications of ADAU1781

• Instructions/cycles: 1024
• Digital I/o Channels: 8/8
• Analog I/o Channels: 2/2
• Product Description: SigmaDSP low-noise stereo audio codec for portable applications

Register 16408 (0x4018), Converter Control 1
Bits[1:0], On-Chip ADC Data Selection in TDM Mode
These bits set the position of the ADC output channels on a TDM
stream. In TDM 4 mode, valid settings are first pair or second
pair. In TDM 8 mode, valid settings are first pair, second pair,
third pair, or fourth pair. These bits should be set in conjunction
Table 49. Converter Control 1 Register
Bits
[7:2]
[1:0]
Description
Reserved
On-chip ADC data selection in TDM mode
00: first pair
01: second pair
10: third pair
11: fourth pair
Rev. B| Page 65 of 92
with Register 16406 (0x4016), Serial Port Control 1, Bit 4, ADC
channel position in TDM, to select where the data should appear
in the TDM stream.
Figure 70, Figure 71, and Figure 72 show examples of different
TDM settings.
Default
00
ADAU1781