DS21Q55N Maxim Integrated Products, DS21Q55N Datasheet - Page 172
DS21Q55N
Manufacturer Part Number
DS21Q55N
Description
Framer E1/J1/T1 3.3V 256-Pin BGA
Manufacturer
Maxim Integrated Products
Datasheet
1.DS21Q55N.pdf
(237 pages)
Specifications of DS21Q55N
Package
256BGA
Number Of Transceivers
4
Standard Framing Format
E1|J1|T1
Maximum Supply Current
75(Typ) mA
Minimum Single Supply Voltage
3.135 V
Maximum Single Supply Voltage
3.465 V
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Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Note: Writing this register resets the detector’s integration period.
Bit 0/Receive Spare-Code Definition Bit 0 (C0). A don’t care if a 1-bit to 7-bit length is selected.
Bit 1/Receive Spare-Code Definition Bit 1 (C1). A don’t care if a 1-bit to 6-bit length is selected.
Bit 2/Receive Spare-Code Definition Bit 2 (C2). A don’t care if a 1-bit to 5-bit length is selected.
Bit 3/Receive Spare-Code Definition Bit 3 (C3). A don’t care if a 1-bit to 4-bit length is selected.
Bit 4/Receive Spare-Code Definition Bit 4 (C4). A don’t care if a 1-bit to 3-bit length is selected.
Bit 5/Receive Spare-Code Definition Bit 5 (C5). A don’t care if a 1-bit or 2-bit length is selected.
Bit 6/Receive Spare-Code Definition Bit 6 (C6). A don’t care if a 1-bit length is selected.
Bit 7/Receive Spare-Code Definition Bit 7 (C7). First bit of the repeating pattern.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bits 0–7/Receive Spare-Code Definition Bits 0–7 (C0–C7). A don’t care if a 1-bit to 7-bit length is selected.
C7
C7
7
0
7
0
C6
C6
RSCD1
Receive Spare-Code Definition Register 1
BEh
RSCD2
Receive Spare Code Definition Register 2
BFh
6
0
6
0
C5
C5
5
0
5
0
C4
C4
4
0
4
0
172 of 237
C3
C3
0
0
3
3
C2
C2
2
0
2
0
C1
C1
1
0
1
0
C0
C0
0
0
0
0
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