DS2148T Maxim Integrated Products, DS2148T Datasheet - Page 40

• Manufacturer Part Number: DS2148T
• Description: IC LIU E1/T1/J1 5V 44-TQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS2148T

• Number Of Drivers/receivers: 1/1
• Protocol: T1/E1/J1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 6-1. Transmit Code Length
Table 6-2. Receive Code Length
TCD1 (0BH): TRANSMIT CODE DEFINITION REGISTER 1
RUP2/RDN2
TC1
(MSB)
0
0
1
1
SYMBOL
C7
0
0
0
0
1
1
1
1
C7
C6
C5
C4
C3
C2
C1
C0
TC0
0
1
0
1
C6
RUP1/RDN1
LENGTH SELECTED
0
0
1
1
0
0
1
1
POSITION
16/8/4/2/1
TCD1.7
TCD1.6
TCD1.5
TCD1.4
TCD1.3
TCD1.2
TCD1.1
TCD1.0
(BITS)
6/3
5
7
C5
RUP0/RDN0
0
1
0
1
0
1
0
1
DESCRIPTION
Transmit Code Definition Bit 7. First bit of the repeating
pattern.
Transmit Code Definition Bit 6.
Transmit Code Definition Bit 5.
Transmit Code Definition Bit 4.
Transmit Code Definition Bit 3.
Transmit Code Definition Bit 2. A Don’t Care if a 5-bit
length is selected.
Transmit Code Definition Bit 1. A Don’t Care if a 5 or 6 bit
length is selected.
Transmit Code Definition Bit 0. A Don’t Care if a 5, 6 or 7
bit length is selected.
C4
40 of 73
SELECTED
LENGTH
C3
(BITS)
16/8
1
2
3
4
5
6
7
C2
C1
(LSB)
C0