參數(shù)資料
型號: EVAL-ADAU1781Z
廠商: Analog Devices Inc
文件頁數(shù): 22/92頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR ADAU1781
標準包裝: 1
系列: SigmaDSP®
主要目的: 音頻編解碼器
嵌入式: 是,DSP
已用 IC / 零件: ADAU1781
主要屬性: 立體聲,24 位,8 ~ 96 kHz 采樣率,GUI 工具
次要屬性: *
已供物品: *
ADAU1781
Rev. B| Page 29 of 92
The ADC and DAC sampling rate can be set in Register 16407
(0x4017), Converter Control 0, Bits[2:0], converter sampling
rate. The SigmaDSP core sampling rate and serial port sampling
rate are similarly set in Register 16619 (0x40EB), SigmaDSP
core frame rate, Bits[3:0], SigmaDSP core frame rate, and
Register 16632 (0x40F8), serial port sampling rate, Bits[2:0],
serial port control sampling rate, respectively.
Table 18 and Table 19 depict example sampling rate settings.
The (1 × 256) case is the base sampling rate.
Table 18. Sampling Rates for 256 × 48 kHz Core Clock
Core Clock
Sampling Rate Divider
Sampling Rate
12.288 MHz
(1 × 256)
48 kHz
(6 × 256)
8 kHz
(4 × 256)
12 kHz
(3 × 256)
16 kHz
(2 × 256)
24 kHz
(1.5 × 256)
32 kHz
(0.5 × 256)
96 kHz
Table 19. Sampling Rates for 256 × 44.1 kHz Core Clock
Core Clock
Sampling Rate Divider
Sampling Rate
11.2896 MHz
(1 × 256)
44.1 kHz
(6 × 256)
7.35 kHz
(4 × 256)
11.025 kHz
(3 × 256)
14.7 kHz
(2 × 256)
22.05 kHz
(1.5 × 256)
29.4 kHz
(0.5 × 256)
88.2 kHz
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