CE2766 Просмотр технического описания (PDF) - Unspecified
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CE2766 Datasheet PDF : 19 Pages
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CE2766
XCK REQUIREMENT
The CE2766 supports 384 and 256 times sampling clock for 32, 44.1, 48, 96 and 192K audio; 192 or 128 times for the 96 K
audio.; and 96 and 64 times for the 192K audio.
XCK Requirement
Sampling
Rate
CREG1[5:4]=[0 0]
XCK Freq.
CREG1[5:4]=[0 1]
Normal XCK
2 times XCK
fs
384*fs
256*fs
2*384*fs
2*256*fs
32 K
12.288 MHz 8.192 MHz
44.1
16.934 Mhz 11.29 Mhz.
48 K
18.432 MHz 12.288 Mhz.
96 K
18.432 MHz 12.288 Mhz. 36.864 MHz 24.576 Mhz.
192 K 18.432 Mhz 12.288 Mhz. 36.864 Mhz 24.576 Mhz.
Normal XCK is prefered for all sampling rates.
CREG1[5:4]=[1 0]
4 times XCK
4*384*fs
4*256*fs
73.728 Mhz 49.152 Mhz.
3-19
June 25, 2005
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