DS3112+ Maxim Integrated Products, DS3112+ Datasheet - Page 73
![IC MUX TEMPE T3/E3 256-BGA](/photos/6/82/68222/406-256-bga_sml.jpg)
DS3112+
Manufacturer Part Number
DS3112+
Description
IC MUX TEMPE T3/E3 256-BGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS3112.pdf
(133 pages)
Specifications of DS3112+
Controller Type
Framer, Multiplexer
Interface
Parallel/Serial
Voltage - Supply
3.135 V ~ 3.465 V
Current - Supply
150mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
256-PBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit #
Name
Default
Note: Bits that are underlined are read-only; all other bits are read-write.
Bits 0 to 15: T1 Line Loopback Far End Activate Command for Ports 1 to 16 (LB1 to LB16). These bits cause
the appropriate T2 transmit formatter to generate a Line Loopback command for the far end. When this bit is set
high, the T2 transmit formatter will force the C3 bit to be the inverse of the C1 and C2 bits. The T2 transmit
formatter will continue to force the C3 bit to be the inverse of the C1 and C2 bits as long as this bit is held high.
When this bit is set low, C3 will match the C1 and C2 bits. LB1 corresponds to T1/E1 Port 1, LB2 corresponds to
T1/E1 Port 2, and so on. These bits are meaningless in the E3 and G.747 modes and should be set to 0.
0 = do not generate the line loopback command by inverting the C3 bit
1 = generate the line loopback command by inverting the C3 bit
LB16
LB8
15
7
0
0
LB15
LB7
14
6
0
0
T1LBCR1
T1 Line Loopback Command Register 1
58h
LB14
LB6
13
5
0
0
73 of 133
LB13
LB5
12
4
0
0
LB12
LB4
11
3
0
0
LB11
LB3
10
2
0
0
LB10
LB2
1
0
9
0
LB9
LB1
0
8
0
0
DS3112
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