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PCM1792 Datasheet(数据表) 21 Page - Texas Instruments

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部件型号  PCM1792
说明  AUDIO STEREO DIGITAL-TO-ANALOG CONVERTER
下载  61 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
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PCM1792 Datasheet(HTML) 21 Page - Texas Instruments

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 21 page
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PCM1792
SLES069B − MARCH 2003 − REVISED NOVEMBER 2006
www.ti.com
21
MSB
LSB
Register Index (or Address)
Register Data
R/W
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
D7
D6
D4
D5
D3
D2
D1
D0
Figure 29. Control Data Word Format for MDI
High Impedance
When Read Mode is Instructed
A0
D7
D6
D4
D5
D3
D2
D1
D0
D7
D6
D4
D5
D3
D2
D1
D0
R/W
A1
A2
A3
A4
A5
A6
MS
MC
MDI
MDO
NOTE: Bit 15 is used for selection of write or read. Setting R/W = 0 indicates a write, while R/W = 1 indicates a read. Bits 14−8 are used for the register
address. Bits 7–0 are used for register data.
Figure 30. Serial Control Format
t(MCH)
50% of VDD
MS
t(MSS)
LSB
50% of VDD
50% of VDD
t(MCL)
t(MHH)
t(MSH)
t(MCY)
t(MDH)
t(MDS)
MC
MDI
t(MOS)
50% of VDD
MDO
PARAMETER
MIN
MAX
UNITS
t(MCY) MC pulse cycle time
100
ns
t(MCL)
MC low-level time
40
ns
t(MCH) MC high-level time
40
ns
t(MHH) MS high-level time
80
ns
t(MSS)
MS falling edge to MC rising edge
15
ns
t(MSH) MS hold time(1)
15
ns
t(MDH) MDI hold time
15
ns
t(MDS) MDI setup time
15
ns
t(MOS) MC falling edge to MDO stable
30
ns
(1) MC rising edge for LSB to MS rising edge
Figure 31. Control Interface Timing




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