DS3166/DS3168/DS31612
10.7 ATM CELL / HDLC PACKET PROCESSING.................................................................................................... 141
10.7.1 General Description ........................................................................................................................... 141
10.7.2 Features ............................................................................................................................................. 141
10.7.3 Transmit Cell/Packet Processor......................................................................................................... 143
10.7.4 Receive Cell/Packet Processor.......................................................................................................... 143
10.7.5 Cell Processor.................................................................................................................................... 143
10.7.6 Packet Processor............................................................................................................................... 148
10.7.7 FIFO ................................................................................................................................................... 150
10.7.8 System Loopback............................................................................................................................... 151
10.8 DS3/E3 PLCP FRAMER.............................................................................................................................. 152
10.8.1 General Description ........................................................................................................................... 152
10.8.2 Features ............................................................................................................................................. 152
10.8.3 Transmit PLCP Frame Processor...................................................................................................... 153
10.8.4 Receive PLCP Frame Processor....................................................................................................... 153
10.8.5 Transmit DS3 PLCP Frame Processor.............................................................................................. 153
10.8.6 Receive DS3 PLCP Frame Processor............................................................................................... 156
10.8.7 Transmit E3 PLCP Frame Processor................................................................................................. 157
10.8.8 Receive E3 PLCP Frame Processor.................................................................................................. 160
10.9 FRACTIONAL PAYLOAD CONTROLLER ........................................................................................................... 162
10.9.1 General Description ........................................................................................................................... 162
10.9.2 Features ............................................................................................................................................. 162
10.9.3 Transmit Fractional Interface ............................................................................................................. 163
10.9.4 Transmit Fractional Controller............................................................................................................ 163
10.9.5 Receive Fractional Interface .............................................................................................................. 163
10.9.6 Receive Fractional Controller............................................................................................................. 163
10.10 DS3/E3 FRAMER/FORMATTER..................................................................................................................... 165
10.10.1 General Description ........................................................................................................................... 165
10.10.2 Features ............................................................................................................................................. 165
10.10.3 Transmit Formatter............................................................................................................................. 166
10.10.4 Receive Framer.................................................................................................................................. 166
10.10.5 C-bit DS3 Framer/Formatter .............................................................................................................. 170
10.10.6 M23 DS3 Framer/Formatter............................................................................................................... 173
10.10.7 G.751 E3 Framer/Formatter............................................................................................................... 175
10.10.8 G.832 E3 Framer/Formatter............................................................................................................... 178
10.10.9 Clear-Channel Frame Processor ....................................................................................................... 183
10.11 HDLC OVERHEAD CONTROLLER.................................................................................................................. 183
10.11.1 General Description ........................................................................................................................... 183
10.11.2 Features ............................................................................................................................................. 184
10.11.3 Transmit FIFO.................................................................................................................................... 184
10.11.4 Transmit HDLC Overhead Processor ................................................................................................ 184
10.11.5 Receive HDLC Overhead Processor ................................................................................................. 185
10.11.6 Receive FIFO..................................................................................................................................... 186
10.12 TRAIL TRACE CONTROLLER.......................................................................................................................... 186
10.12.1 General Description ........................................................................................................................... 186
10.12.2 Features ............................................................................................................................................. 187
10.12.3 Functional Description........................................................................................................................ 187
10.12.4 Transmit Data Storage....................................................................................................................... 188
10.12.5 Transmit Trace ID Processor............................................................................................................. 188
10.12.6 Transmit Trail Trace Processing........................................................................................................ 188
10.12.7 Receive Trace ID Processor.............................................................................................................. 188
10.12.8 Receive Trail Trace Processing......................................................................................................... 188
10.12.9 Receive Data Storage........................................................................................................................ 189
10.13 FEAC CONTROLLER ................................................................................................................................... 190
10.13.1 General Description ........................................................................................................................... 190
10.13.2 Features ............................................................................................................................................. 190
10.13.3 Functional Description........................................................................................................................ 190
10.14 LINE ENCODER/DECODER............................................................................................................................ 192
10.14.1 General Description ........................................................................................................................... 192
10.14.2 Features ............................................................................................................................................. 192
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