DS26303L-120+ Maxim Integrated Products, DS26303L-120+ Datasheet - Page 38

• Manufacturer Part Number: DS26303L-120+
• Description: IC LIU E1/T1/J1 3.3V 144-ELQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS26303L-120+

• 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
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5.1.2
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: Single-Rail Mode Select Channel n (SRMSn). When this bit is set, single-rail mode is selected for the
system transmit and receive n. If this bit is reset, dual-rail mode is selected.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: Line Code Select Channel n (LCSn). When this bit is set, AMI encoding/decoding is selected for
LIUn. If reset B8ZS or HDB3 encoding/decoding is selected for LIUn. Note that if the GC.CODE bit is set, this
register is ignored.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: Receive Power-Down Enable Channel n (RPDEn). When this bit is set, the receiver for LIUn is
powered down.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 7 to 0: Transmit Power-Down Enable Channel n (TPDEn). When this bit is set, the transmitter for LIUn is
powered down.
Secondary Registers
SRMS8
RPDE8
TPDE8
LCS8
7
0
7
0
7
0
7
0
SRMS7
RPDE7
TPDE7
LCS7
6
0
6
0
6
0
6
0
SRMS
Single-Rail Mode Select Register
00h
LCS
Line Code Selection Register
01h
RPDE
Receive Power-Down Enable Register
03h
TPDE
Transmit Power-Down Enable Register
04h
SRMS6
RPDE6
TPDE6
LCS6
5
0
5
0
5
0
5
0
SRMS5
RPDE5
DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
TPDE5
LCS5
38 of 101
4
0
4
0
4
0
4
0
SRMS4
RPDE4
TPDE4
LCS4
3
0
3
0
3
0
3
0
SRMS3
RPDE3
TPDE3
LCS3
2
0
2
0
2
0
2
0
SRMS2
RPDE2
TPDE2
LCS2
1
0
1
0
1
0
1
0
SRMS1
RPDE1
TPDE1
LCS1
0
0
0
0
0
0
0
0