Table 16: PCM timing parameters
Parameter
Description
T(sync)
PCM_SYNC cycle time
T(synch)
PCM_SYNC high level time
T(syncl)
PCM_SYNC low level time
T(clk)
PCM_CLK cycle time
T(clkh)
PCM_CLK high level time
T(clkl)
PCM_CLK low level time
PCM_SYNC setup time high before falling edge of
T(susync)
PCM_CLK
PCM_SYNC hold time after falling edge of
T(hsync)
PCM_CLK
PCM_IN setup time before falling edge of
T(sudin)
PCM_CLK
T(hdin)
PCM_IN hold time after falling edge of PCM_CLK
T(pdout)
Delay from PCM_CLK rising to PCM_OUT valid
Delay from PCM_CLK falling to PCM_OUT
T(zdout)
HIGH-Z
3.7.2 PCM Application Guide
www.simcom.com
Figure 20: External codec to module timing
Figure 21: Module to external codec timing
SIM7075G User Manual V1.00
Min.
Typ.
Max.
–
125
–
–
488
–
124.5
–
–
–
488
–
–
244
–
244
–
–
–
122
–
–
366
–
60
–
–
60
–
–
–
–
60
–
–
60
Unit
μs
ns
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
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