參數(shù)資料
型號: AK4584VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 24Bit 96kHz Audio CODEC with DIT/DIR
中文描述: 24位96kHz的音頻編解碼器與動態(tài)網(wǎng)/迪爾
文件頁數(shù): 20/53頁
文件大小: 351K
代理商: AK4584VQ
ASAHI KASEI
[AK4584]
MS0118-E-00
2001/11
- 20 -
Master Clock Output
The AK4584 has two clock outputs, MCKO1 and MCKO2. These clocks are derived from either the recovered clock or the
X'tal oscillator. In PLL mode, the master clock output frequencies (MCKO1, MCKO2) are set by OCKS1-0 bits as shown
in Table 2. In the X’tal mode or external clock mode, the frequency of MCKO1 is the same as the X’tal or external clock.
MCKO2 outputs a half frequency of MCKO1 (Table 3). MCKO1 output can be disabled by the DMCK pin. MCKO1
output is “L” (Disable) when the DMCK pin = “H”, MCKO1 output is normal output when the DMCK pin = “L”. In PLL
mode, mode 0 does not support 96kHz. The default values of OCKS1-0 bits are “01”
Mode
0
1
2
3
OCKS1
0
0
1
1
Table 2. Master Clock Output Frequency Select (PLL Mode)
OCKS0
0
1
0
1
MCKO1
512fs
256fs
128fs
64fs
MCKO2
256fs
128fs
64fs
32fs
fs
48kHz
96kHz
192kHz
192kHz
Default
X’tal
MCKO1
11.2896MHz
12.288MHz
24.576MHz
MCKO2
5.6448MHz
6.144MHz
12.288MHz
11.2896MHz
12.288MHz
24.576MHZ
Table 3. Master Clock Output Frequency Select (X’tal Mode)
Table 4 is a connection example when using AK5394 and AK4394 in slave mode.
AK5394
MCKO2
256fs
128fs
64fs
AK4394
MCKO1
512fs
256fs
128fs
Clock Output
Normal Speed
Double Speed
Quad Speed
Table 4. Clock Select for AK5394 & AK4394
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