Specifications
Smart Machine Smart Decision
SIM7080G _Hardware Design _V1.02 32 2019-10-11
3.6 PCM Interface
SIM7080G provides a PCM interface for external codec, which can be used inmaster mode with
short syncand 16 bits linear format.
Table 12: PCMformat
Note: For more details about PCM AT commands, please refer to document [1].
3.6.1 PCM timing
SIM7080G supports 2.048 MHz PCM data and sync timing for 16 bits linear format codec.
Figure 17: PCM_SYNC timing
Figure 18: External codec to module timing
Characteristics
Specification
LineInterfaceFormat
Linear(Fixed)
Datalength
16bits(Fixed)
PCMClock/SyncSource
MasterMode(Fixed)
PCMClockRate
2048 KHz (Fixed)
PCMSyncFormat
Shortsync(Fixed)
DataOrdering
MSB