DS26303LN-75+ Maxim Integrated Products, DS26303LN-75+ Datasheet - Page 30

• Manufacturer Part Number: DS26303LN-75+
• Description: IC LIU E1/T1/J1 3.3V 144-ELQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS26303LN-75+

• Number Of Drivers/receivers: 8/8
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 144-LQFP Exposed Pad, 144-eLQFP, 144-HLQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: Transmit All-Ones Enable Channel n (TAOEn). When this bit is set, a continuous stream of all ones
is sent on channel n (TTIPn and TRINGn). MCLK is used as a reference clock for the transmit all-ones signal. The
data arriving at TPOSn and TNEGn is ignored.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: Loss-of-Signal Status Channel n (LOSSn). When this bit is set, an LOS condition has been detected
on LIUn. The criteria and conditions of LOS are described in Section 6.4.3:
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: Driver Fault Monitor Status Channel n (DFMSn). When this bit is set, it indicates that there is a short
or open circuit at the transmit driver for LIUn.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: Loss-of-Signal Interrupt Enable Channel n (LOSIEn). When this bit is set, a change in the LOS
status for LIUn can generate an interrupt.
LOSIE8
DFMS8
TAOE8
LOSS8
7
0
7
0
7
0
7
0
LOSIE7
DFMS7
TAOE7
LOSS7
6
0
6
0
6
0
6
0
TAOE
Transmit All-Ones Enable Register
03h
LOSS
Loss-of-Signal Status Register
04h
DFMS
Driver Fault Monitor Status Register
05h
LOSIE
Loss-of-Signal Interrupt Enable Register
06h
LOSIE6
DFMS6
TAOE6
LOSS6
5
0
5
0
5
0
5
0
LOSIE5
DFMS5
DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
TAOE5
LOSS5
30 of 101
4
0
4
0
4
0
4
0
LOSIE4
DFMS4
TAOE4
LOSS4
3
0
3
0
3
0
3
0
Loss of
LOSIE3
DFMS3
TAOE3
LOSS3
2
0
2
0
2
0
2
0
Signal.
LOSIE2
DFMS2
TAOE2
LOSS2
1
0
1
0
1
0
1
0
LOSIE1
DFMS1
TAOE1
LOSS1
0
0
0
0
0
0
0
0