DS2155_06 Datasheet, PDF (17/238 Pages) Dallas Semiconductor – T1/E1/J1 Single-Chip Transceiver

Figure 3-3. Receive and Transmit Framer/HDLC
RPOS
RNEG
RCLK
TPOS
TNEG
TCLK
REC
HDLC #1
128 Byte
FIFO
REC
HDLC #2
128 Byte
FIFO
DATA
RECEIVE
FRAMER ^CLOCK
MAPPER
MAPPER
SYNC
SYNC
TRANSMIT _CLOCK
FRAMER
DATA
MAPPER
MAPPER
XMIT
HDLC #1
128 Byte
FIFO
XMIT
HDLC #2
128 Byte
FIFO
DS2155
DATA
CLOCK
SYNC
SYNC
CLOCK
DATA
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