DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 68

• 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/Receive Loss-of-Sync Condition (RLOS)
Bit 1/Framer Receive Carrier Loss Condition (FRCL)
Bit 2/Receive Unframed All-Ones (Blue Alarm) Condition (RUA1)
Bit 3/Receive Yellow Alarm Condition (RYEL)
Bit 4/Receive Loss-of-Sync Clear Event (RLOSC)
Bit 5/Framer Receive Carrier Loss Condition Clear (FRCLC)
Bit 6/Receive Unframed All-Ones Condition Clear Event (RUA1C)
Bit 7/Receive Yellow Alarm Clear Event (RYELC)
0 = interrupt masked
1 = interrupt enabled—interrupts on rising edge only
0 = interrupt masked
1 = interrupt enabled—interrupts on rising edge only
0 = interrupt masked
1 = interrupt enabled—interrupts on rising edge only
0 = interrupt masked
1 = interrupt enabled—interrupts on rising edge only
0 = interrupt masked
1 = interrupt enabled
0 = interrupt masked
1 = interrupt enabled
0 = interrupt masked
1 = interrupt enabled
0 = interrupt masked
1 = interrupt enabled
RYELC
7
0
RUA1C
IMR2
Interrupt Mask Register 2
19h
6
0
FRCLC
5
0
RLOSC
4
0
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RYEL
0
3
RUA1
2
0
FRCL
1
0
RLOS
0
0