DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 167

• Manufacturer Part Number: DS21Q55
• Description: IC TXRX QUAD T1/E1/J1 SCT 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q55

• Function: Transceiver
• Interface: E1, J1, T1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Includes: BERT Generator and Detector, Dual HDLC Controllers
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -

Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0 to 2/Receive Down-Code Length Definition Bits (RDN0 to RDN2)
Bits 3 to 5/Receive Up-Code Length Definition Bits (RUP0 to RUP2)
Bits 6, 7/Transmit Code Length Definition Bits (TC0 to TC1)
TC1
RDN2
RUP2
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
TC1
TC0
7
0
0
0
1
1
RDN1
RUP1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
TC0
IBCC
In-Band Code Control Register
B6h
Length Selected (bits)
6
0
16/8/4/2/1
RDN0
RUP0
RUP2
6/3
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
5
7
5
0
RUP1
4
0
Length Selected (bits)
Length Selected (bits)
167 of 237
RUP0
8/16
8/16
0
3
1
2
3
4
5
6
7
1
2
3
4
5
6
7
RDN2
2
0
RDN1
1
0
RDN0
0
0