ds2155gt-r Maxim Integrated Products, Inc., ds2155gt-r Datasheet - Page 15

• Manufacturer Part Number: ds2155gt-r
• Description: Ds2155 T1/e1/j1 Single-chip Transceiver
• Manufacturer: Maxim Integrated Products, Inc.

3.2 Block Diagram
Figure 3-1
shown in subsequent figures. The block diagram is divided into three functional blocks: LIU, FRAMER,
and BACKPLANE INTERFACE.
Figure 3-1. Block Diagram
ADAPTER
LIU
LIU
RX
TX
shows a simplified block diagram featuring the major components of the DS2155. Details are
CLOCK
CLOCK
LIU
EXTERNAL ACCESS
TO TRANSMIT SIGNALS
EXTERNAL ACCESS
TO RECEIVE SIGNALS
JTAG
HOST INTERFACE
MUX
MUX
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HDB3 / B8ZS
ALARM GEN
HDB3 / B8ZS
ALARM DET
SINGALING
SINGALING
CRC GEN
FRAMER
FRAMER
HDLCs
HDLCs
ESIB
SYNC
BACKPLANE
INTERFACE
BACKPLANE
INTERFACE
BACKPLANE
CLOCK SYNTH
CIRCUIT