Datasheet

SerialProgrammingInterface(PCM2705/7)
t
(MCH)
50% of V
DD
MS
t
(MLS)
LSB
50% of V
DD
50% of V
DD
t
(MCL)
t
(MHH)
t
(MLH)
t
(MCY)
t
(MDH)
t
(MDS)
MC
MD
T0013-04
MC
MS
MD
16 Bits
(1) Single Write Operation
MSB LSB MSB
(2) Continuous Write Operation
MSB LSB MSB LSB MSB LSB
16 Bits y N Frames
MC
MS
MD
N Frames
T0012-02
PCM2704, ,PCM2705
PCM2706,PCM2707
SLES081F–JUNE2003–REVISEDJANUARY2009....................................................................................................................................................... www.ti.com
ThePCM2705/7supportstheserialprogramminginterface(SPI)toprogramthedescriptorandtosettheHID
state.DescriptordataaredescribedintheSubSec18.8ExternalROMDescriptorsection.
SYMBOLPARAMETERMINTYPMAXUNIT
t
(MCY)
MCpulsecycletime100ns
t
(MCL)
MClow-leveltime50ns
t
(MCH)
MChigh-leveltime50ns
t
(MHH)
MShigh-leveltime100ns
t
(MLS)
MSfallingedgetoMCrisingedge20ns
t
(MLH)
MSholdtime20ns
t
(MDH)
MDholdtime15ns
t
(MDS)
MDsetuptime20ns
Figure27.SPITimingDiagram
Figure28.SPIWriteOperation
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ProductFolderLink(s):PCM2704PCM2705PCM2706PCM2707
PCM2704 and PCM2705
Not Recommended For New Designs