ak4373 ETC-unknow, ak4373 Datasheet - Page 92

• Manufacturer Part Number: ak4373
• Description: Low Power Stereo Dac With Hp/spk-amp
• Manufacturer: ETC-unknow

5. EXT Master Mode
MS0991-E-00
Power Supply
(Addr:00H, D6)
PMVCM bit
(Addr:01H, D3)
<Example>
LRCK pin
BICK pin
MCKI pin
PDN pin
M/S bit
(1) After Power Up: PDN pin “L”
(2) MCKI must be input.
(3) After DIF1-0 and FS1-0 bits are set, M/S bit should be set to “1”. Then LRCK and BICK are output.
(4) Power Up VCOM: PMVCM bit = “0”
“L” time of 150ns or more is needed to reset the AK4373.
VCOM should first be powered up before the other block operates.
(1)
(2)
(3)
(4)
Figure 75. Clock Set Up Sequence (5)
“H”
Output
Input
“1”
- 92 -
(1) Power Supply & PDN pin = “L”
Example:
Input MCKI frequency: 256fs
Audio I/F Format: MSB justified
MCKO: Disable
Sampling Frequency: 44.1kHz
(3) Addr:04H, Data:02H
BICK and LRCK output
(4) Addr:00H, Data:40H
Addr:05H, Data:00H
Addr:01H, Data:08H
(2) MCKI input
“H”
[AK4373]
2008/09