T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation — LXT351
Tables
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LXT351 Clock and Data Pin Assignments by Mode1............................................9
LXT351 Processor Interface Pins..........................................................................9
LXT351 Signal Descriptions................................................................................10
Diagnostic Mode Summary .................................................................................16
Register Addresses.............................................................................................24
Register and Bit Summary ..................................................................................24
Control Register #1 Read/Write, Address (A7-A0) = x010000x..........................25
Equalizer Control Input Settings.........................................................................25
Control Register #2 Read/Write, Address (A7-A0) = x010001x..........................25
Control Register #3 Read/Write, Address (A7-A0) = x010010x..........................26
Interrupt Clear Register Read/Write, Address (A7-A0) = x010011x....................26
Transition Status Register Read Only, Address (A7-A0) = x010100x.................27
Performance Status Register Read Only, Address (A7-A0) = x010101x............27
Control Register #4 Read/Write, Address (A7-A0) = x010111x..........................28
E1 Transmit Return Loss Requirements .............................................................29
Transmit Return Loss (2.048 Mbps)....................................................................30
Transmit Return Loss (1.544 Mbps)....................................................................30
Transformer Specifications..................................................................................30
Recommended Transformers..............................................................................31
Absolute Maximum Ratings.................................................................................33
Recommended Operating Conditions .................................................................33
DC Electrical Characteristics...............................................................................34
Analog Characteristics ........................................................................................34
2.048 Mbps E1 Pulse Mask Specifications ........................................................35
1.544 Mbps T1, DSX-1 Pulse Mask Corner Point Specifications........................36
Master and Transmit Clock Timing Characteristics for T1 Operation
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(See Figure 14) ...................................................................................................37
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Master and Transmit Clock Timing Characteristics for E1 Operation
(See Figure 14) ...................................................................................................37
Receive Timing Characteristics for T1 Operation (See Figure 15)......................38
Receive Timing Characteristics for E1 Operation (See Figure 15) .....................38
20 MHz Intel Bus Parallel I/O Timing Characteristics (See Figure 16)................39
16.78 MHz Motorola Bus Parallel I/O Timing Characteristics (See Figure 17) ...40
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Datasheet
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