Hardware Guide

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FIBOCOM MC116-NA Series Hardware Guide Page 38 of 63
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5.7.4 PCM Signal Description
The PCM signal of MC116-NA series module adopts domestic mainstream Europe E1 standard.
PCM_CLK frequency is 2.048MHz clock in 16bit linear format encoding. PCM_SYNC is a 8kHz burst
(488nS).
Figure 5-14 PCM_SYNC Timing
Figure 5-15 PCM_CODEC to MC116-NA timing
Figure 5-16 MC116-NA to PCM_CODEC timing
Table 5-16 Codec timing parameters
Parameter Min Typ Max Unit
t(sync) PCM_SYNC cycle time – 125 – μs
t(synca) PCM_SYNC asserted time – 488 – ns
t(syncd) PCM_SYNC deasserted time – 124.5 – μs