82P2821BH IDT, Integrated Device Technology Inc, 82P2821BH Datasheet - Page 68

• Manufacturer Part Number: 82P2821BH
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82P2821BH

• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Not Compliant

IDT82P2821
21(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
INT active
Read TMOV_IS
Read INT_CHn
TMOV_IS = 1 ?
INT_CHn = 1 ?
No
No
Yes
Yes
Serve the interrupt.
Read the interrupt status bits
Write '1' to clear TMOV_IS.
in the corresponding channel.
Find the interrupt source and
serve it.
Write '1' to clear the
corresponding interrupt status bit.
INT_CHn is cleared when all
interrupts in the corresponding
channel are cleared.
Figure-44 Interrupt Service Process
Functional Description
68
February 6, 2009