參數(shù)資料
型號: CXD2548
廠商: Sony Corporation
元件分類: 數(shù)字信號處理
英文描述: CD Digital Signal Processor with Built-in Digital Servo and DAC
中文描述: CD數(shù)字信號處理器,具有內(nèi)置數(shù)字伺服和DAC
文件頁數(shù): 39/113頁
文件大?。?/td> 1286K
代理商: CXD2548
– 39 –
CXD2548R
Signal
PER0 to 7
FOX
GFS
LOCK
EMPH
ALOCK
VF0 to 7
SPOA
WFCK
SCOR
GTOP
RFCK
XRAOF
L0 to L7,
R0 to R7
RF jitter amount (used to adjust the focus bias). 8-bit binary data in PER0 = LSB, PER7 = MSB.
Focus OK
High when the frame sync and the insertion protection timing match.
GFS is sampled at 460Hz; when GFS is high, a high signal is output. If GFS is low eight
consecutive samples, a low signal is output.
High when the playback disc has emphasis.
GFS is sampled at 460Hz; when GFS is high eight consecutive samples, a high signal is
output. If GFS is low eight consecutive samples, a low signal is output.
Used during CAV-W mode. Disc rotational speed measurement results. (See Timing Chart
2-3.) VF0 = LSB, VF7 = MSB.
SPOA pin input
Write frame clock output
High when either subcode sync S0 or S1 is detected.
High when the sync protection window is open.
Read frame clock output
Low when the built-in 16K RAM exceeds the ±4 frame jitter margin.
Peak meter register output. Lch L0 to 7 and Rch R0 to 7 peak data. L0 and R0 are LSB.
Description
C1F1
0
1
1
0
0
1
No Error
Single Error Correction
Irretrievable Error
C1F2
C1 correction status
C2F1
0
1
1
0
0
1
No Error
Single Error Correction
Irretrievable Error
C2F2
C2 correction status
Command bit
CPUSR = 1
CPUSR = 0
XLON pin is high.
XLON pin is low.
Processing
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參數(shù)描述
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