参数资料
型号: ADSP-BF526KBCZ-4C2
厂商: Analog Devices Inc
文件页数: 36/36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
ADSP-BF522C/ADSP-BF523C/ADSP-BF524C/ADSP-BF525C/ADSP-BF526C/ADSP-BF527C
Rev. A
|
Page 9 of 36
|
March 2010
Normal Mode
In normal mode, the codec supports digital audio sampling
rates from 8 kHz to 96 kHz. Normal mode supports 256 × fS and
384 × fS based clocks. To select the desired sampling rate, the
programmer must set the appropriate sampling rate register in
the SR control bits (Register R8, Bit D2 to Bit D5) and match
this selection to the core clock frequency that is pulsed on the
CODEC_MCLK pin. See Table 1 for sampling rates in
normal mode.
Table 1. Sampling Rate Lookup Table, Normal Mode (USB Disabled)
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
12.288 MHz
24.576 MHz
8 kHz (CODEC_MCLK/1536)
0
0011
0
CODEC_MCLK/4
8 kHz (CODEC_MCLK/1536)
48 kHz (CODEC_MCLK/256)
0
0010
0
CODEC_MCLK/4
12 kHz (CODEC_MCLK/1024)
0
0100
0
CODEC_MCLK/4
16 kHz (CODEC_MCLK/768)
0
0101
0
CODEC_MCLK/4
24 kHz (CODEC_MCLK/512)
0
1110
0
CODEC_MCLK/4
32 kHz (CODEC_MCLK/384)
0
0110
0
CODEC_MCLK/4
48 kHz (CODEC_MCLK/256)
8 kHz (CODEC_MCLK/1536)
0
0001
0
CODEC_MCLK/4
48 kHz (CODEC_MCLK/256)
0
0000
0
CODEC_MCLK/4
96 kHz (CODEC_MCLK/128)
0
0111
0
CODEC_MCLK/2
11.2896 MHz
22.5792 MHz
8.0182 kHz (CODEC_MCLK/1408) 8.0182 kHz (CODEC_MCLK/1408) 0
1011
0
CODEC_MCLK/4
8.0182 kHz (CODEC_MCLK/1408) 44.1 kHz (CODEC_MCLK/256)
0
1010
0
CODEC_MCLK/4
11.025 kHz (CODEC_MCLK/1024) 11.025 kHz (CODEC_MCLK/1024) 0
1100
0
CODEC_MCLK/4
22.05 kHz (CODEC_MCLK/512)
0
1101
0
CODEC_MCLK/4
44.1 kHz (CODEC_MCLK/256)
8.0182 kHz (CODEC_MCLK/1408) 0
1001
0
CODEC_MCLK/4
44.1 kHz (CODEC_MCLK/256)
0
1000
0
CODEC_MCLK/4
88.2 kHz (CODEC_MCLK/128)
0
1111
0
CODEC_MCLK/2
18.432 MHz
36.864 MHz
8 kHz (CODEC_MCLK/2304)
0
0011
1
CODEC_MCLK/6
8 kHz (CODEC_MCLK/2304)
48 kHz (CODEC_MCLK/384)
0
0010
1
CODEC_MCLK/6
12 kHz (CODEC_MCLK/1536)
0
0100
1
CODEC_MCLK/6
16 kHz (CODEC_MCLK/1152)
0
0101
1
CODEC_MCLK/6
24 kHz (CODEC_MCLK/768)
0
1110
1
CODEC_MCLK/6
32 kHz (CODEC_MCLK/576)
0
0110
1
CODEC_MCLK/6
48 kHz (CODEC_MCLK/384)
0
0000
1
CODEC_MCLK/6
48 kHz (CODEC_MCLK/384)
8 kHz (CODEC_MCLK/2304)
0
0001
1
CODEC_MCLK/6
96 kHz (CODEC_MCLK/192)
0
0111
1
CODEC_MCLK/3
16.9344 MHz
33.8688 MHz
8.0182 kHz (CODEC_MCLK/2112) 8.0182 kHz (CODEC_MCLK/2112) 0
1011
1
CODEC_MCLK/6
8.0182 kHz (CODEC_MCLK/2112) 44.1 kHz (CODEC_MCLK/384)
0
1010
1
CODEC_MCLK/6
11.025 kHz (CODEC_MCLK/1536) 11.025 kHz (CODEC_MCLK/1536) 0
1100
1
CODEC_MCLK/6
22.05 kHz (CODEC_MCLK/768)
0
1101
1
CODEC_MCLK/6
44.1 kHz (CODEC_MCLK/384)
8.0182 kHz (CODEC_MCLK/2112) 0
1001
1
CODEC_MCLK/6
44.1 kHz (CODEC_MCLK/384)
0
1000
1
CODEC_MCLK/6
88.2 kHz (CODEC_MCLK/192)
0
1111
1
CODEC_MCLK/3
1 CODEC_BCLK frequency is for master mode and slave right-justified mode only.
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