參數(shù)資料
型號: CXD3009Q
廠商: Sony Corporation
元件分類: 數(shù)字信號處理
英文描述: CD Digital Signal Processor(CD數(shù)字信號處理器)
中文描述: CD數(shù)字信號處理器(光盤數(shù)字信號處理器)
文件頁數(shù): 38/64頁
文件大?。?/td> 477K
代理商: CXD3009Q
38
CXD3009Q
Timing Chart 2-3
Measurement interval (approximately 3.8μs)
Reference window
(132.2kHz)
Measurement pulse
(VCKI/2)
Measurement counter
VF0 to 7
Load
m
The relative velocity R of the disc can be expressed with the following equation.
R = m + 1
32
VF0 to 7 is the result obtained by counting VCKI/2 pulses while the reference signal (132.2kHz) generated
from the crystal (384Fs) is high. This count is 31 when the disc is rotating at normal speed and 63 when it is
rotating at double speed (when DSPB is low).
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