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Smart Machine Smart Decision
T(suauxdin)
AUX_PCM_DIN setup time before falling
edge of AUX_PCM_CLK
70
–
–
ns
T(hauxdin)
AUX_PCM_DIN hold time after falling edge
of AUX_PCM_CLK
20
–
–
ns
T(pauxdout)
Delay from AUX_PCM_CLK rising to
AUX_PCM_DOUT valid
–
–
50
ns
*Note: T(auxclk) = 1/(128 KHz).
Primary PCM (2048 KHz PCM clock)
SIM5215&SIM5216 also supports 2.048 MHz PCM data and sync timing for
υ
-law codec. This is called
the primary PCM interface. User can use AT command to take the mode you want as discussed above.
Figure 37: Synchrony timing
Figure 38: EXT CODEC to MODULE timing
Figure 39: MODULE to EXT CODEC timing
SIM5215&SIM5216_Hardware Design_V2.02
2012-08-31
49
Содержание SIM5215
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