DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 78

• 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 7/Per-Channel Loopback Enable for Channels 17 to 24 (CH17 to CH24)
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0 to 7/Per-Channel Loopback Enable for Channels 25 to 32 (CH25 to CH32)
0 = loopback disabled
1 = enable loopback; source data from the corresponding receive channel
0 = loopback disabled
1 = enable loopback; source data from the corresponding receive channel
CH24
CH32
7
0
7
0
CH23
CH31
PCLR3
Per-Channel Loopback Enable Register 3
4Dh
PCLR4
Per-Channel Loopback Enable Register 4
4Eh
6
0
6
0
CH22
CH30
5
0
5
0
CH21
CH29
4
0
4
0
78 of 237
CH20
CH28
0
0
3
3
CH19
CH27
2
0
2
0
CH18
CH26
1
0
1
0
CH17
CH25
0
0
0
0