參數(shù)資料
型號(hào): AK4343
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Stereo DAC with HP/RCV/SPK-AMP
中文描述: 立體聲DAC惠普/垃圾車/胰腎聯(lián)合移植腺苷
文件頁(yè)數(shù): 85/98頁(yè)
文件大小: 851K
代理商: AK4343
ASAHI KASEI
[AK4343]
MS0478-E-01
2006/10
- 85 -
2. PLL Slave Mode (LRCK or BICK pin)
PMPLL bit
(Addr:01H, D0)
Internal Clock
(1)
Power Supply
PDN pin
PMVCM bit
(Addr:00H, D6)
(2)
(3)
LRCK pin
BICK pin
(4)
(5)
Input
4fs of
“H”
Example:
Audio I/F Format : MSB justified
PLL Reference clock: BICK
BICK frequency: 64fs
Sampling Frequency: 44.1kHz
(3) Addr:00H, Data:40H
(2) Addr:04H, Data:32H
Addr:05H, Data:27H
(4) Addr:01H, Data:01H
Figure 75. Clock Set Up Sequence (2)
<Example>
(2) After Power Up: PDN pin “L”
“H”
“L” time of 150ns or more is needed to reset the AK4343.
(3) DIF1-0, FS3-0 and PLL3-0 bits should be set during this period.
(4) Power Up VCOM: PMVCM bit = “0”
“1”
VCOM should first be powered up before the other block operates.
(5) PLL starts after the PMPLL bit changes from “0” to “1” and PLL reference clock (LRCK or BICK pin) is
supplied. PLL lock time is 160ms(max) when LRCK is a PLL reference clock. And PLL lock time is 2ms(max)
when BICK is a PLL reference clock.
(6) Normal operation stats after that the PLL is locked.
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