User's Manual

Smart Machine Smart Decision
SIM5360A_User_Manual_V1.03 2014-07-03
47
Figure 33: MODULE to EXT CODEC timing
Table 27: Timing parameters
Parameter Description Min Typ Max Unit
T(sync) PCM_SYNC cycle time – 125 – μs
T(synch) PCM_SYNC high time 400 500 – ns
T(syncl) PCM_SYNC low time – 124.5 – μs
T(clk) PCM_CLK cycle time – 488 – ns
T(clkh) PCM_CLK high time – 244 – ns
T(clkl) PCM_CLK low time – 244 – ns
T(susync)
PCM_SYNC setup time high before falling edge of
PCM_CLK
60 – – ns
T(hsync)
PCM_SYNC hold time after falling edge of
PCM_CLK
60 – – ns
T(sudin)
PCM_IN setup time before falling edge of
PCM_CLK
50 – – ns
T(hdin) PCM_IN hold time after falling edge of PCM_CLK 10 – – ns
T(pdout) Delay from PCM_CLK rising to PCM_OUT valid – – 350 ns
T(zdout)
Delay from PCM_CLK falling to PCM_OUT
HIGH-Z
– 160 – ns
Note: SIM5360A can transmit PCM data by USB except for PCM interface.
3.11.3 Application Guide
The mode of SIM5360A PCM can be configured by AT command “AT+CPCM and AT+CPCMFMT”, and
the default configuration is master mode using short sync data format with 2.048MHz PCM_CLK and 8
kHz PCM_SYNC. Please refer to document [21] and document [1] for details.