AK4373 Datasheet, PDF (96/98 Pages) Asahi Kasei Microsystems – Low Power Stereo DAC with HP/SPK-Amp

[AK4373]
4. EXT Slave Mode
External MCKI
External BICK
External LRCK
Input
Input
Input
(1)
Example
(1)
Audio I/F Format :MSB justified
Input MCKI frequency:1024fs
(1)
(1) Stop the external clocks
Figure 81. Clock Stopping Sequence (4)
<Example>
(1) Stop the external MCKI, BICK and LRCK clocks.
5. EXT Master Mode
(1)
External MCKI
Input
BICK
LRCK
Output
Output
"H" or "L"
"H" or "L"
Example
Audio I/F Format :MSB justified
Input MCKI frequency:1024fs
(1) Stop the external MCKI
Figure 82. Clock Stopping Sequence (5)
<Example>
(1) Stop MCKI clock. BICK and LRCK are fixed to “H” or “L”.
■ Power down
Power supply current can also be shut down (typ. 1μA) by stopping clocks and setting PDN pin = “L”. When PDN pin =
“L”, the registers are initialized.
MS0991-E-00
- 96 -
2008/09