DS26334G+ Maxim Integrated Products, DS26334G+ Datasheet - Page 73
DS26334G+
Manufacturer Part Number
DS26334G+
Description
IC INTERFACE LINE 16CH 256-CSBGA
Manufacturer
Maxim Integrated Products
Type
Line Interface Units (LIUs)r
Datasheet
1.DS26334G.pdf
(121 pages)
Specifications of DS26334G+
Number Of Drivers/receivers
16/16
Protocol
IEEE 1149.1
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
256-CSBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Register Name:
Register Description:
Register Address (LIUs 1–8):
Bit #
Name
Default
Bit 7: Receiver Transformer Turns Ratio Channel 6 (RTR6). If this bit is set the turns ratio is 1:1 on the receiver
side. This bit should be set when a 1:1 receiver transformer is used and is recommended when using long-haul
mode (SHLHS6). Note that in order to use fully internal receive impedance termination, a 1:1 transformer must be
used and this bit must be set to 1.
Bits 6 to 4: Channel 6 Receive Sensitivity/Monitor Select [2:0] (C6RSM[2:0]). Bits C6RSM[2:0] are used to
select the receiver sensitivity level and the monitor mode resistive gain. See
Bit 3: Receiver Transformer Turns Ratio Channel 5 (RTR5). If this bit is set the turns ratio is 1:1 on the receiver
side. This bit should be set when a 1:1 receiver transformer is used and is recommended when using long-haul
mode (SHLHS5). Note that in order to use the fully internal receive impedance termination, a 1:1 transformer must
be used and this bit must be set to 1.
Bits 2 to 0: Channel 5 Receive Sensitivity/Monitor Select [2:0] (C5RSM[2:0]). Bits C5RSM[2:0] are used to
select the receiver sensitivity level and the monitor mode resistive gain. See
Register Address (LIUs 9–16):
Bit #
Name
Default
Bit 7: Receiver Transformer Turns Ratio Channel 14 (RTR14). If this bit is set the turns ratio is 1:1 on the
receiver side. This bit should be set when a 1:1 receiver transformer is used and is recommended when using long-
haul mode (SHLHS14). Note that in order to use fully internal receive impedance termination, a 1:1 transformer
must be used and this bit must be set to 1.
Bits 6 to 4: Channel 14 Receive Sensitivity/Monitor Select [2:0] (C14RSM[2:0]). Bits C14RSM[2:0] are used to
select the receiver sensitivity level and the monitor mode resistive gain. See
Bit 3: Receiver Transformer Turns Ratio Channel 13 (RTR13). If this bit is set the turns ratio is 1:1 on the
receiver side. This bit should be set when a 1:1 receiver transformer is used and is recommended when using long-
haul mode (SHLHS13). Note that in order to use the fully internal receive impedance termination, a 1:1 transformer
must be used and this bit must be set to 1.
Bits 2 to 0: Channel 13 Receive Sensitivity/Monitor Select [2:0] (C13RSM[2:0]). Bits C13RSM[2:0] are used to
select the receiver sensitivity level and the monitor mode resistive gain. See
RTR14
RTR6
7
0
7
0
C14RSM2
C6RSM2
6
0
6
0
RSMM3
Receive Sensitivity Monitor Mode 3 Register
0Ah
2Ah
C14RSM1
C6RSM1
DS26334 3.3V, 16-Channel, E1/T1/J1 Short/Long-Haul Line Interface Unit
5
0
5
0
C14RSM0
C6RSM0
73 of 121
4
0
4
0
RTR13
RTR5
3
0
3
0
Table
Table
Table
Table
C13RSM2
C5RSM2
2
0
2
0
6-16.
6-16.
6-16.
6-16.
C13RSM1
C5RSM1
1
0
1
0
C13RSM0
C5RSM0
0
0
0
0
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