DS21348G+ Maxim Integrated Products, DS21348G+ Datasheet - Page 21
DS21348G+
Manufacturer Part Number
DS21348G+
Description
IC LIU T1/E1/J1 3.3V 49-BGA
Manufacturer
Maxim Integrated Products
Type
Line Interface Units (LIUs)r
Datasheet
1.DS21348G.pdf
(76 pages)
Specifications of DS21348G+
Number Of Drivers/receivers
1/1
Protocol
T1/E1/J1
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
49-CSBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Table 2-8. Loopback Control in Hardware Mode
Table 2-9. Transmit Data Control in Hardware Mode
Table 2-10. Receive Sensitivity Settings
Table 2-11. Monitor Gain Settings
Table 2-12. Internal Rx Termination Select
TRANSMIT DATA
Transmit Alternating
(CCR5.5)
(CCR5.1)
(CCR4.4)
Transmit Unframed
Remote Loopback
Analog Loopback
TPOS and TNEG
Local Loopback
MM1
Ones and Zeros
Transmit PRBS
EGL
RT1
LOOPBACK
No Loopback
0
0
1
1
0
0
1
1
0
1
1
0
All Ones
(CCR5.4)
(CCR5.0)
(CCR1.7)
0 (E1)
0 (E1)
1 (T1)
1 (T1)
MM0
RT0
ETS
0
1
0
1
0
1
0
1
SYMBOL
SYMBOL
TPRBSE
-12dB (short haul)
-43dB (long haul)
-30dB (limited long haul)
-36dB (long haul)
Normal operation (no boost)
20
26
32
Internal receive-side termination disabled
Internal receive-side 120Ω enabled
Internal receive-side 100Ω enabled
Internal receive-side 75Ω enabled
RECEIVE SENSITIVITY
TERMINATION CONFIGURATION
TAOZ
TUA1
ALB
RLB
LLB
INTERNAL LINEAR
—
—
GAIN BOOST (dB)
INTERNAL RECEIVE
CONTROL
CONTROL
CCR3.7
CCR3.5
CCR3.4
CCR6.6
CCR6.7
CCR6.4
BIT
BIT
21 of 76
—
—
LOOP1
TX1
1
1
0
0
1
1
0
0
LOOP0
TX0
1
0
1
0
1
0
1
0
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