Datasheet
DS26518 8-Port T1/E1/J1 Transceiver
35 of 312
Figure 9-10. Device Interrupt Information Flow Diagram
Receive Remote Alarm Indication Clear 7
Receive Alarm Condition Clear 6
Receive Loss of Signal Clear 5
Receive Loss of Frame Clear 4
Receive Remote Alarm Indication 3
Receive Alarm Condition 2
Receive Loss of Signal 1
Receive Loss of Frame 0
RLS1
RIM1
Receive Signal All Ones 3
Receive Signal All Zeros 2
Receive CRC-4 Multiframe 1
Receive Align Frame 0
RLS
2
RIM2
Loss of Receive Clock Clear/Loss of Receive Clock Clear 7
Spare Code Detected Condition Clear 6
Loop-Down Code Clear/V52 Link Clear 5
Loop-Up Code Clear/Receive Distant MF Alarm Clear 4
Loss of Receive Clock/Loss of Receive Clock 3
Spare Code Detect 2
Loop-Down Detect/V52 Link Detect 1
Loop-Up Detect/Receive Distant MF Alarm Detect 0
RLS3
RIM3
Receive Elastic Store Full 7
Receive Elastic Store Empty 6
Receive Elastic Store Slip 5
Receive Signaling Change of State (Enable in RSCSE1-4) 3
One-Second Timer 2
Timer 1
Receive Multiframe 0
RLS4
RIM4
Receive FIFO Overrun 5
Receive HDLC Opening Byte 4
Receive Packet End 3
Receive Packet Start 2
Receive Packet High Watermark 1
Receive FIFO Not Empty 0
RLS5
RIM5
Receive RAI-CI 5
Receive AIS-CI 4
Receive SLC-96 Alignment 3
Receive FDL Register Full 2
Receive BOC Clear 1
Receive BOC 0
RLS7
RIM7
Transmit Elastic Store Full 7
Transmit Elastic Store Empty 6
Transmit Elastic Store Slip 5
Transmit SLC96 Multiframe 4
Transmit Align Frame 3
Transmit Multiframe 2
Loss of Transmit Clock Clear 1
Loss of Transmit Clock 0
TLS1
TIM1
Transmit FDL Register Empty 4
Transmit FIFO Underrun 3
Transmit Message End 2
Transmit FIFO Below Low Watermark 1
Transmit FIFO Not Full Set 0
TLS2
TIM2
— -
— -
Loss of Frame 1
Loss of Frame Synchronization 0
TLS3
TIM3
Jitter Attenuator Limit Trip Clear 7
Open Circuit Detect Clear 6
Short Circuit Detect Clear 5
Loss of Signal Detect Clear 4
Jitter Attenuator Limit Trip 3
Open-Circuit Detect 2
Short-Circuit Detect 1
Loss of Signal Detect 0
LLSR
LSIMR
BERT Bit Error Detected 6
BERT Bit Counter Overflow 5
BERT Error Counter Overflow 4
BERT Receive All Ones 3
BERT Receive All Zeros 2
BERT Receive Loss of Synchronization 1
BERT in Synchronization 0
BLSR
BSIM
Interrupt Pin
0
1
2
3
4
5
RIIR
2
1
0
TIIR
7
6
5
4
3
2
1
0
GFISR1
GFIMR1
7
6
5
4
3
2
1
0
GLISR1
GLIMR1
7
6
5
4
3
2
1
0
GBISR1
GBIMR1
GTCR1.0
Framers 2–8 LIUs 2–8 BERTs 2–8
Drawing Legend:
Interrupt Status
Registers
Register Name
Interrupt Mask
Registers
Register Name










