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AK4647VQ Datasheet, PDF (23/72 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP | |||
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ASAHI KASEI
[AK4647]
b) PLL ج४ΫϩοΫ: BICK or LRCK pin
FS3-0 bitsÎàªà°Í¢ÎÍͱͰɺ7.35kHz â¼ 48kHzÍ·à³ÒͷαϯÏÏ¦Ï¯Î¬à¤ªà³¾à¨ºÍ´à¬°Ô Í Î͢ɻ(See Table 6.)
AK4647
MCKO
MCKI
BICK
LRCK
SDTO
SDTI
DSP or μP
32fs, 64fs
1fs
BCLK
LRCK
SDTI
SDTO
Figure 15. PLL Slave Mode 2 (PLL Reference Clock: BICK pin)
AK4647
MCKO
MCKI
BICK
LRCK
SDTO
SDTI
⥠32fs
1fs
DSP or μP
BCLK
LRCK
SDTI
SDTO
Figure 16. PLL Slave Mode 2 (PLL Reference Clock: LRCK pin)
ADC or DACÍà²à¡à®¤(PMADL bit = â1â, PMADR bit = â1â or PMDAC bit = â1â)͸Ö෦ΫϩοΫ(MCKI, BICK,
LRCK)Îà¢Îͯ͸ÍÍÎͤÎÉ»ÍÎÎͷΫϩοΫÍÍÚ
ÚÎͳÍà§ß¹Éºà²ºà·¦Í´Î¼Î ÏÏοΫͳϩδοΫÎà¢
à¼»Í Í¯ÍÎͨÎɺաిྲྀÍྲྀÎɺà²à¡ÍÒà§Í´Í³ÎÕà³³à©ÍÍÎÎ͢ɻΫϩοΫÎà¢ÎÎà§ß¹Í¸ÏÏ«Êμ΢
ϯà§à¬¶(PMADL=PMADR=PMDAC bits = â0â)Í´Í Í¯ÍÍ©ÍÍÉ»
MS0566-J-00
- 23 -
2006/11
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