DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 121

• 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/Si Bit of Frame 1 (SiF1)
Bit 1/Si Bit of Frame 3 (SiF3)
Bit 2/Si Bit of Frame 5 (SiF5)
Bit 3/Si Bit of Frame 7 (SiF7)
Bit 4/Si Bit of Frame 9 (SiF9)
Bit 5/Si Bit of Frame 11 (SiF11)
Bit 6/Si Bit of Frame 13 (SiF13)
Bit 7/Si Bit of Frame 15 (SiF15)
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
Bit 0/Remote Alarm Bit of Frame 1 (RRAF1)
Bit 1/Remote Alarm Bit of Frame 3 (RRAF3)
Bit 2/Remote Alarm Bit of Frame 5 (RRAF5)
Bit 3/Remote Alarm Bit of Frame 7 (RRAF7)
Bit 4/Remote Alarm Bit of Frame 9 (RRAF9)
Bit 5/Remote Alarm Bit of Frame 11 (RRAF11)
Bit 6/Remote Alarm Bit of Frame 13 (RRAF13)
Bit 7/Remote Alarm Bit of Frame 15 (RRAF15)
RRAF15
SiF15
7
0
7
0
RRAF13
SiF13
RSiNAF
Received Si Bits of the Nonalign Frame
C9h
RRA
Received Remote Alarm
Cah
6
0
6
0
SiF11
RRAF11
5
0
5
0
SiF9
4
0
RRAF9
4
0
121 of 237
SiF7
0
3
RRAF7
3
0
SiF5
2
0
RRAF5
2
0
SiF3
1
0
RRAF3
1
0
SiF1
0
0
RRAF1
0
0