参数资料
型号: ADSP-BF526KBCZ-4C2
厂商: Analog Devices Inc
文件页数: 2/36页
文件大小: 0K
描述: IC DSP CTRLR 400MHZ 289CSPBGA
标准包装: 1
系列: Blackfin®
类型: 定点
接口: DMA,以太网,I²C,PPI,SPI,SPORT,UART,USB
时钟速率: 400MHz
非易失内存: ROM(32 kB)
芯片上RAM: 132kB
电压 - 输入/输出: 1.8V,2.5V,3.3V
电压 - 核心: 1.30V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 289-LFBGA,CSPBGA
供应商设备封装: 289-CSPBGA(12x12)
包装: 托盘
Rev. A
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Page 10 of 36
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March 2010
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
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.
Table 2. Sampling Rate Lookup Table, USB Mode (USB Enabled)
CODEC_MCLK
(CLKDIV2 = 0)
CODEC_MCLK
(CLKDIV2 = 1)
ADC Sampling Rate
(ADCLRC)
DAC Sampling Rate
(DACLRC)
USB SR [3:0] BOSR CODEC_BCLK
(MS = 1)
1
12.000 MHz
24.000 MHz
8 kHz (CODEC_MCLK/1500)
1
0011
0
CODEC_MCLK
8 kHz (CODEC_MCLK/1500)
48 kHz (CODEC_MCLK/250)
1
0010
0
CODEC_MCLK
8.0214 kHz (CODEC_MCLK/1496)
1
1011
1
CODEC_MCLK
8.0214 kHz (CODEC_MCLK/1496)
44.118 kHz (CODEC_MCLK/272)
1
1010
1
CODEC_MCLK
11.0259 kHz (CODEC_MCLK/1088) 11.0259 kHz (CODEC_MCLK/1088) 1
1100
1
CODEC_MCLK
12 kHz (CODEC_MCLK/1000)
1
1000
0
CODEC_MCLK
16 kHz (CODEC_MCLK/750)
1
1010
0
CODEC_MCLK
22.0588 kHz (CODEC_MCLK/544)
1
1101
1
CODEC_MCLK
24 kHz (CODEC_MCLK/500)
1
1110
0
CODEC_MCLK
32 kHz (CODEC_MCLK/375)
1
0110
0
CODEC_MCLK
44.118 kHz (CODEC_MCLK/272)
8.0214 kHz (CODEC_MCLK/1496)
1
1001
1
CODEC_MCLK
44.118 kHz (CODEC_MCLK/272)
1
1000
1
CODEC_MCLK
48 kHz (CODEC_MCLK/250)
8 kHz (CODEC_MCLK/1500)
1
0001
0
CODEC_MCLK
48 kHz (CODEC_MCLK/250)
1
0000
0
CODEC_MCLK
88.235 kHz (CODEC_MCLK/136)
1
1111
1
CODEC_MCLK
96 kHz (CODEC_MCLK/125)
1
0111
0
CODEC_MCLK
1 CODEC_BCLK frequency is for master mode and slave right-justified mode only.
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