XRT86L30
SINGLE T1/E1/J1 FRAMER/LIU COMBO
REV. 1.0.1
TABLE 132: DATA
L
INK
STATUS
REGISTER 2
R
EGISTER 546
IT
D
ATA
L
INK
STATUS
R
EGISTER 2 (DLSR2)
HEX ADDRESS: 0X0B16
B
FUNCTION
TYPE
D
EFAULT
DESCRIPTION-OPERATION
5
RxSOT
TxEOT
RxEOT
RUR
0
Receive HDLC2 Start of Reception Interrupt Status
Indicates if the Receive HDLC2 Start of Reception interrupt has
occurred since the last read of this register. Receive HDLC2 Con-
troller will declare this interrupt when it has started to receive a data
link message.
0 = Receive HDLC2 Start of Reception interrupt has not occurred
since the last read of this register
1 = Receive HDLC2 Start of Reception interrupt has occurred since
the last read of this register
4
3
2
RUR
RUR
RUR
0
0
0
Transmit HDLC2 End of Transmission Interrupt Status
Indicates if the Transmit HDLC2 End of Transmission Interrupt has
occurred since the last read of this register. Transmit HDLC2 Con-
troller will declare this interrupt when it has completed its transmis-
sion of a data link message.
0 = Transmit HDLC2 End of Transmission interrupt has not occurred
since the last read of this register
1 = Transmit HDLC2 End of Transmission interrupt has occurred
since the last read of this register
Receive HDLC2 Controller End of Reception Interrupt Status
Indicates if Receive HDLC2 End of Reception Interrupt has occurred
since the last read of this register. Receive HDLC2 Controller will
declare this interrupt once it has completely received a full data link
message.
0 = Receive HDLC2 End of Reception interrupt has not occurred
since the last read of this register
1 = Receive HDLC2 End of Reception Interrupt has occurred since
the last read of this register
FCS Error
FCS Error Interrupt Status
Indicates if the FCS Error Interrupt has occurred since the last read
of this register. Receive HDLC2 Controller will declare this interrupt
if it detects an error in the most recently received data message.
0 = FCS Error interrupt has not occurred since last read of this regis-
ter
1 = FCS Error interrupt has occurred since last read of this register
111
EXAR [ EXAR CORPORATION ]
