參數(shù)資料
型號: AK4673EG
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
中文描述: 立體聲編解碼器麥克風/惠普- AMP及觸摸屏控制器
文件頁數(shù): 30/107頁
文件大?。?/td> 1171K
代理商: AK4673EG
[AK4673]
MS0670-E-00
2007/09
- 30 -
PLL Master Mode (AIN3 bit = “0”, PMPLL bit = “1”, M/S bit = “1”)
When an external clock (11.2896MHz, 12MHz, 12.288MHz, 13MHz, 13.5MHz, 19.2MHz, 24MHz, 26MHz or 27MHz)
is input to the MCKI pin, MCKO, BICK and LRCK clocks are generated by an internal PLL circuit. The MCKO output
frequency is selected by PS1-0 bits (
Table 10
) and the output is enabled by MCKO bit. The BICK output frequency is
selected between 32fs or 64fs, by BCKO bit (
Table 11
).
AK4673
DSP or
μ
P
MCKO
BICK
LRCK
SDTO
SDTI
BCLK
LRCK
SDTI
SDTO
MCKI
1fs
32fs, 64fs
256fs/128fs/64fs/32fs
11.2896MHz, 12MHz, 12.288MHz, 13MHz,
13.5MHz, 19.2MHz, 24MHz, 26MHz,
27MHz
MCLK
Figure 18. PLL Master Mode
Mode
0
1
2
3
Table 10. MCKO Output Frequency (PLL Mode, MCKO bit = “1”)
PS1 bit
0
0
1
1
PS0 bit
0
1
0
1
MCKO pin
256fs
128fs
64fs
32fs
(default)
BCKO bit
BICK Output
Frequency
32fs
64fs
0
1
(default)
Table 11. BICK Output Frequency at Master Mode
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