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STA014B データシート(PDF) 36 Page - STMicroelectronics

部品番号 STA014B
部品情報  MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM AND SRS WOWO POSTPROCESSING CAPABILITY
PDF  45 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA014B データシート(HTML) 36 Page - STMicroelectronics

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5.4. TIMING DIAGRAMS
5.4.1. Audio DAC Interface
a) OCLK in output. The audio PLL is used to clock the DAC
OCLK (OUTPUT)
SDO
SCKT
LRCLK
tsdo
tsckt
tlrclk
D98AU969
Pad-timing versus load
Load (pF)
Pad_timing
25
2.90ns
50
3.82ns
75
4.68ns
100
5.52ns
Cload_XXX is the load in pF on the XXX output.
pad_timing (Cload_XXX) is the propagation delay
added to the XXX pad due to the load.
tsdo = 3.5 + pad_timing (Cload_SDO) - pad_timing
(Cload_ OCLK)
tsckt = 4 + pad_timing (Cload_SCKT) - pad_timing
(Cload_ OCLK)
tlrckt = 3.5 + pad_timing (Cload_LRCCKT) -
pad_timing (Cload_ OCLK)
OCLK (INPUT)
SDO
SCKT
LRCLK
tsdo
tsckt
tlrclk
D98AU970
thi
tlo
toclk
b) OCLK in input.
Thi min = 3ns
Tlo min = 3ns
Toclk min = 25ns
tsdo = 5.5 + pad_timing (Cload_SDO) ns
tsckt = 6 + pad_timing (Cload_SCKT) ns
tlrckt = 5.5 + pad_timing (Cload_LRCKT) ns
STA014-STA014B-STA014T
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