XRT86L30
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO
TABLE 120: DATA
L
INK
STATUS
REGISTER 1
R
EGISTER 534
IT
D
ATA
L
INK
STATUS
R
EGISTER 1 (DLSR1)
HEX ADDRESS: 0X0B06
B
FUNCTION
TYPE
D
EFAULT
DESCRIPTION-OPERATION
7
MSG TYPE
RUR
0
HDLC1 Message Type Identifier
Indicates type of data link message received by Rx HDLC1 Control-
ler
0 = Bit Oriented Signaling type data link message received
1 = Message Oriented Signaling type data link message received
6
5
4
3
TxSOT
RUR
RUR
RUR
RUR
0
0
0
0
Transmit HDLC1 Start of Transmission Interrupt Status
Indicates if the Transmit HDLC1 Start of Transmission Interrupt has
occurred since the last read of this register. Transmit HDLC1 Con-
troller will declare this interrupt when it has started to transmit a data
link message.
0 = Transmit HDLC1 Start of Transmission interrupt has not
occurred since the last read of this register
1 = Transmit HDLC1 Start of Transmission interrupt has occurred
since the last read of this register.
RxSOT
TxEOT
RxEOT
Receive HDLC1 Start of Reception Interrupt Status
Indicates if the Receive HDLC1 Start of Reception interrupt has
occurred since the last read of this register. Receive HDLC1 Con-
troller will declare this interrupt when it has started to receive a data
link message.
0 = Receive HDLC1 Start of Reception interrupt has not occurred
since the last read of this register
1 = Receive HDLC1 Start of Reception interrupt has occurred since
the last read of this register
Transmit HDLC1 End of Transmission Interrupt Status
Indicates if the Transmit HDLC1 End of Transmission Interrupt has
occurred since the last read of this register. Transmit HDLC1 Con-
troller will declare this interrupt when it has completed its transmis-
sion of a data link message.
0 = Transmit HDLC1 End of Transmission interrupt has not occurred
since the last read of this register
1 = Transmit HDLC1 End of Transmission interrupt has occurred
since the last read of this register
Receive HDLC1 Controller End of Reception Interrupt Status
Indicates if Receive HDLC1 End of Reception Interrupt has occurred
since the last read of this register. Receive HDLC1 Controller will
declare this interrupt once it has completely received a full data link
message.
0 = Receive HDLC1 End of Reception interrupt has not occurred
since the last read of this register
1 = Receive HDLC1 End of Reception Interrupt has occurred since
the last read of this register
104
EXAR [ EXAR CORPORATION ]
