AK4753 Datasheet, PDF (82/85 Pages) Asahi Kasei Microsystems – 2-in, 4-out CODEC with DSP Functions

[AK4753]
4. EXT Master Mode
(1)
PWXTL bit
(Addr:04H, D2)
External MCKI
Input
BICK
Output
"H" or "L"
Example
Audio I/F Format :MSB justified
Input MCKI frequency:256fs
(1) Addr:04H, Data:00H
or
Stop the external MCKI
LRCK
Output
"H" or "L"
Figure 85. Clock Stopping Sequence (4)
<Example>
(1) Power down Cristal oscillator (PWXTL bit = “1” → “0”) or 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 the PDN
pin = “L”, the registers are initialized.
MS1311-E-00
- 82 -
2011/07