Datasheet

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CONTROL INTERFACE TIMING REQUIREMENTS
t
(MCH)
1.4 V
MS
t
(MSS)
LSB
1.4 V
1.4 V
t
(MCL)
t
(MHH)
t
(MSH)
t
(MCY)
t
(MDH)
t
(MDS)
MC
MD
T0013-06
PCM1807
SLES147 – SEPTEMBER 2005
Figure 30 illustrates a detailed timing diagram for the serial control port. These timing parameters are critical for
proper control port operation.
SYMBOL PARAMETER MIN MAX UNIT
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 t
MCY
ns
t
(MSS)
MS falling edge to MC rising edge 15 ns
t
(MSH)
MS hold time
(1)
15 ns
t
(MDH)
MD hold time 15 ns
t
(MDS)
MD setup time 15 ns
(1) MC rising edge to MS rising edge for the MC pulse corresponding to the LSB of MD
Figure 30. Control Interface Timing
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