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DS21FT40 Datasheet(PDF) 5 Page - Dallas Semiconductor |
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DS21FT40 Datasheet(HTML) 5 Page - Dallas Semiconductor |
5 / 87 page DS21FT40 5 of 87 DS21FT40 ENHANCED 12-Channel E1 FRAMER Figure 1-2 VSS VDD F R AM ER # 2 FR A M ER #3 F R AM ER # 1 Parallel & Test Control Port (routed to all blocks) D0 t o D7 / AD0 to AD7 FS1 BTS INT* WR * (R/W*) RD* (DS*) FS0 CS * TEST ALE (AS)/ A6 A0 t o A5, A7 MU X 7 8 Receive Side Framer Transmit Side Formatter Elastic Store sync data clock sync data clock TSYNC TCLK TSER RMSYNC TSSYNC TSYSCLK RSER RSYSCLK RSYNC Sa Extraction Timing Control Elastic Store Sync Control Timing Control Signaling Buffer Hardware Signaling Insertion 64-Byte Buffer RPOS RCLK RNEG TPOS TNEG HDLC Engine DS0 Insertion Power LOTC DET & MUX Sa Insertion 64-Byte Buffer HDLC Engine DS0 Insertion FRAMER #12 |
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