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參數(shù)資料
| 型號(hào)： | AK5702VN |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 4-Channel ADC with PLL & MIC-AMP |
| 中文描述： | 4通道ADC，帶鎖相環(huán) |
| 文件頁數(shù)： | 27/76頁 |
| 文件大小： | 933K |
| 代理商： | AK5702VN |
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[AK5702]
MS0623-E-00
2007/06
- 27 -
■
EXT Slave Mode (PMPLL bit = “0”, M/S bit = “0”)
When PMPLL bit is “0”, the AK5702 becomes EXT mode. Master clock is input from MCKI pin, the internal PLL circuit
is not operated. This mode is compatible with I/F of the normal audio CODEC. The clocks required to operate are MCKI
(256fs, 512fs or 1024fs), LRCK (fs) and BCLK (
≥
32fs). The master clock (MCKI) should be synchronized with LRCK.
The phase between these clocks does not matter. The input frequency of MCKI is selected by FS3-0 bits (Table 11).
Mode
FS3-2 bits
FS1 bit
FS0 bit
MCKI Input
Frequency
256fs
1024fs
512fs
256fs
N/A
Sampling Frequency
Range
7.35kHz
～
48kHz
7.35kHz
～
13kHz
7.35kHz
～
26kHz
7.35kHz
～
48kHz
-
0
1
2
3
4
00, 01, 11
00, 01, 11
00, 01, 11
00, 01, 11
10
Table 11. MCKI Frequency at EXT Slave Mode (PMPLL bit = “0”, M/S bit = “0”)
0
0
1
1
0
1
0
1
(default)
Don’t care
Don’t care
The external clocks (MCKI, BCLK and LRCK) should always be present whenever the ADC is in operation (PMADAL
bit = “1” or PMADAR bit = “1” or PMADBL bit = “1” or PMADBR bit = “1”). If these clocks are not provided, the
AK5702 may draw excess current and it is not possible to operate properly because utilizes dynamic refreshed logic
internally. If the external clocks are not present, the ADC should be in the power-down mode (PMADAL= PMADAR =
PMADBL = PMADBR bits = “0”).
AK5702
DSP or
μ
P
MCKI
BCLK
LRCK
SDTOA/B
BCLK
LRCK
SDTI
MCKO
1fs
≥
32fs
MCLK
256fs, 512fs or 1024fs
Figure 23. EXT Slave Mode
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK6002A | Circular Connector; No. of Contacts:8; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-8 RoHS Compliant: No |
| AK6002AF | Circular Connector; No. of Contacts:23; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-99 RoHS Compliant: No |
| AK6002AV | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| AK6004A | Circular Connector; No. of Contacts:26; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:16-26 RoHS Compliant: No |
| AK6004AF | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
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