DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 197

• 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
Bit 0/Reserved, must be set to 0 for proper operation.
Bit 1/ Reserved, must be set to 0 for proper operation.
Bit 2/ Reserved, must be set to 0 for proper operation.
Bit 3/ Reserved, must be set to 0 for proper operation.
Bits 4 to 7/Receive Level Threshold Bits (RLT0 to RLT3)
RLT3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
RLT3
7
0
RLT2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
RLT2
CCR4
Common Control Register 4
73h
6
0
RLT1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
RLT1
5
0
RLT0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
RLT0
4
0
197 of 237
Receive Level (dB)
Greater than -2.5
Less than -37.5
0
3
-
-10.0
-12.5
-15.0
-17.5
-20.0
-22.5
-25.0
-27.5
-30.0
-32.5
-35.0
-2.5
-5.0
-7.5
2
0
-
1
0
-
0
0
-