ADSP-BF523KBCZ-6C2 查看數據表（PDF） - Analog Devices
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ADSP-BF523KBCZ-6C2 Datasheet PDF : 36 Pages
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ADSP-BF522C/ADSP-BF523C/ADSP-BF524C/ADSP-BF525C/ADSP-BF526C/ADSP-BF527C
USB Mode
In USB mode, the codec supports digital audio sampling rates
from 8 kHz to 96 kHz. USB mode is enabled on the codec
to support the common universal serial bus (USB) clock rate of
Table 2. Sampling Rate Lookup Table, USB Mode (USB Enabled)
12 MHz, or to support 24 MHz if the CLKDIV2 control register
bit is activated. The programmer must set the appropriate sam-
pling rate in the SR control bits (Register R8, Bit D2 to Bit D5).
See Table 2 for sampling rates in USB mode.
CODEC_MCLK CODEC_MCLK ADC Sampling Rate
(CLKDIV2 = 0) (CLKDIV2 = 1) (ADCLRC)
12.000 MHz 24.000 MHz 8 kHz (CODEC_MCLK/1500)
8 kHz (CODEC_MCLK/1500)
8.0214 kHz (CODEC_MCLK/1496)
8.0214 kHz (CODEC_MCLK/1496)
DAC Sampling Rate
(DACLRC)
8 kHz (CODEC_MCLK/1500)
48 kHz (CODEC_MCLK/250)
8.0214 kHz (CODEC_MCLK/1496)
44.118 kHz (CODEC_MCLK/272)
USB SR [3:0] BOSR CODEC_BCLK
(MS = 1)1
1 0011 0 CODEC_MCLK
1 0010 0 CODEC_MCLK
1 1011 1 CODEC_MCLK
1 1010 1 CODEC_MCLK
11.0259 kHz (CODEC_MCLK/1088) 11.0259 kHz (CODEC_MCLK/1088) 1 1100 1
12 kHz (CODEC_MCLK/1000)
12 kHz (CODEC_MCLK/1000)
1 1000 0
16 kHz (CODEC_MCLK/750)
16 kHz (CODEC_MCLK/750)
1 1010 0
22.0588 kHz (CODEC_MCLK/544) 22.0588 kHz (CODEC_MCLK/544) 1 1101 1
CODEC_MCLK
CODEC_MCLK
CODEC_MCLK
CODEC_MCLK
24 kHz (CODEC_MCLK/500)
24 kHz (CODEC_MCLK/500)
1 1110 0
32 kHz (CODEC_MCLK/375)
32 kHz (CODEC_MCLK/375)
1 0110 0
44.118 kHz (CODEC_MCLK/272) 8.0214 kHz (CODEC_MCLK/1496) 1 1001 1
44.118 kHz (CODEC_MCLK/272) 44.118 kHz (CODEC_MCLK/272) 1 1000 1
48 kHz (CODEC_MCLK/250)
8 kHz (CODEC_MCLK/1500)
1 0001 0
CODEC_MCLK
CODEC_MCLK
CODEC_MCLK
CODEC_MCLK
CODEC_MCLK
48 kHz (CODEC_MCLK/250)
48 kHz (CODEC_MCLK/250)
1 0000 0
88.235 kHz (CODEC_MCLK/136) 88.235 kHz (CODEC_MCLK/136) 1 1111 1
96 kHz (CODEC_MCLK/125)
96 kHz (CODEC_MCLK/125)
1 0111 0
CODEC_MCLK
CODEC_MCLK
CODEC_MCLK
1 CODEC_BCLK frequency is for master mode and slave right-justified mode only.
Rev. A | Page 10 of 36 | March 2010
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