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FIBOCOM NL668-AM Hardware User Manual
Page 41 of 62
technical support.
3.9.4 PCM signal description
NL668-AM main chip support PCM signal adopts domestic mainstream Europe E1 standard. PCM_CLK
is a 2.048MHz clock in 16bit linear format encoding. PCM_SYNC is a 8kHz burst (488nS).
Figure 3-17 PCM_SYNC Timing
Figure 3-18 PCM_CODEC to NL668-AM Timing
Figure 3-19 NL668-AM to PCM_CODEC Timing
