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PCM1870 Datasheet(PDF) 20 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
Part # PCM1870
Description  16-Bit Low-Power Stereo Audio ADC With Microphone Bias and Microphone Amplifier
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Manufacturer  BURR-BROWN [Burr-Brown (TI)]
Direct Link  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

PCM1870 Datasheet(HTML) 20 Page - Burr-Brown (TI)

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Three-Wire Interface (SPI) Timing Requirements
tw(MCH)
50%ofVIO
MS
t(MLS)
LSB
50%ofVIO
50%ofVIO
tw(MCL)
tw(MHH)
t(MLH)
t(MCY)
t(MDH)
t(MDS)
MC
MD
T0013-08
PCM1870
SLAS544 – MAY 2007
Figure 19 shows a detailed timing diagram for the serial control interface. These timing parameters are critical
for proper control port operation.
PARAMETERS
SYMBOL
MIN
TYP
MAX
UNIT
MC pulse cycle time
t(MCY)
500(1)
ns
MC low-level time
tw(MCL)
50
ns
MC high-level time
tw(MCH)
50
ns
MS high-level time
tw(MHH)
See (1)
ns
MS falling edge to MC rising edge
t(MLS)
50
ns
MS hold time
t(MLH)
20
ns
MD hold time
t(MDH)
15
ns
MD setup time
t(MDS)
20
ns
(1)
3/(128 fS) s (min), where fS is the sampling frequency
Figure 19. SPI Interface Timing
20
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