DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 78
DS21Q55
Manufacturer Part Number
DS21Q55
Description
IC TXRX QUAD T1/E1/J1 SCT 256BGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21Q55.pdf
(237 pages)
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)
-
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Company
Part Number
Manufacturer
Quantity
Price
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Manufacturer:
DALLAS
Quantity:
319
Company:
Part Number:
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Manufacturer:
Maxim Integrated
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Part Number:
DS21Q554
Manufacturer:
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Part Number:
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Manufacturer:
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Quantity:
20 000
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