Sierra Wireless AirPrime SL808 Series, Product Technical Specification & Customer Design Manuallines, Page: 63 / 122

Rev 1 Dec.10 Proprietary and Confidential - Specifications subject to change 63
4.11.2 PCM waveforms
The following figures describe the PCM Frame and Sampling waveforms.
Figure 4-11: PCM frame waveform
Figure 4-12: PCM sampling waveform
Table 4-33 describes the AC characteristics of the digital audio interface.
a. See Table 4-4 on page 40 for state definitions.
Table 4-33: Digital audio interface AC characteristics
Signal Description Minimum Typical Maximum Unit
Tsy
Tsync_high
PCM_SYNC
period
125 us
Tsync_low PCM_SYNC low
time
93 us
Tsync_high PCM_SYNC high
time
32 us