T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation — LXT350
Tables
1
2
3
4
5
6
7
8
LXT350 Clock and Data Pins by Mode1 ...............................................................9
LXT350 Control Pins by Mode ..............................................................................9
LXT350 Signal Descriptions................................................................................10
CLKE Pin Settings1.............................................................................................18
Control and Operational Mode Selection ............................................................19
Diagnostic Mode Availability................................................................................19
Register Addresses.............................................................................................28
Register and Bit Summary ..................................................................................28
Control Register #1 Read/Write, Address (A7-A0) = x010000x..........................29
Equalizer Control Input Settings.........................................................................29
Control Register #2 Read/Write, Address (A7-A0) = x010001x..........................29
Control Register #3 Read/Write, Address (A7-A0) = x010010x..........................30
Interrupt Clear Register Read/Write, Address (A7-A0) = x010011x....................30
Transition Status Register Read Only, Address (A7-A0) = x010100x.................31
Performance Status Register Read Only, Address (A7-A0) = x010101x............31
Control Register #4 Read/Write, Address (A7-A0) = x010111x..........................32
E1 Transmit Return Loss Requirements .............................................................33
Transmit Return Loss (2.048 Mbps)....................................................................34
Transmit Return Loss (1.544 Mbps)....................................................................34
Transformer Specifications..................................................................................34
Recommended Transformers..............................................................................35
Absolute Maximum Ratings.................................................................................38
Recommended Operating Conditions .................................................................38
DC Electrical Characteristics...............................................................................39
Analog Characteristics ........................................................................................39
2.048 MHz E1 Pulse Mask Specifications...........................................................41
1.544 Mbps T1, DSX-1 Pulse Mask Corner Point Specifications........................42
T1 Operation Master and Transmit Clock Timing Characteristics
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
(See Figure 16) ...................................................................................................43
29
E1 Operation Master and Transmit Clock Timing Characteristics
(See Figure 16) ...................................................................................................43
Receive Timing Characteristics for T1 Operation (See Figure 17)......................44
Receive Timing Characteristics for E1 Operation (See Figure 17) .....................44
Serial I/O Timing Characteristics (See Figure 18 and Figure 19)........................45
30
31
32
Datasheet
5
ETC [ ETC ]
