XRT86L30
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO
TABLE 111: BLOCK
INTERRUPT
STATUS
REGISTER
R
B
EGISTER 528
IT
B
LOCK
I
NTERRUPT TATUS
S
R
EGISTER (BISR)
HEX ADDRESS: 0X0B00
FUNCTION
TYPE
D
EFAULT
DESCRIPTION-OPERATION
2
SLIP
RO
0
Slip Buffer Block Interrupt Status
Indicates if the Slip Buffer block has any outstanding interrupt
requests awaiting service.
0 = No outstanding interrupts awaiting service
1 = Slip Buffer block has an interrupt awaiting service. Interrupt Ser-
vice routine should branch to and read Slip Buffer Interrupt Status
register (address 0xXA,0x09.
N
OTE: This bit-field will be reset to 0 after the microprocessor has
performed a read of the Slip Buffer Interrupt Status
Register.
1
ALARM
RO
0
Alarm & Error Block Interrupt Status
Indicates if the Alarm & Error Block has any outstanding interrupts
that are awaiting service.
0 = No outstanding interrupts awaiting service
1 = Alarm & Error Block has an interrupt awaiting service. Interrupt
SerStatus Register (address xA,02)
N
OTE: This bit-field will be reset to 0 after the microprocessor has
performed a read of the Alarm & Error Interrupt Status
register.
0
T1/E1 FRAME
RO
0
T1/E1 Framer Block Interrupt Status
Indicates if an T1/E1 Frame Status interrupt request is awaiting ser-
vice.
0 = No T1/E1 Frame Status interrupt is pending
1 = T1/E1 Framer Status interrupt is awaiting service.
TABLE 112: BLOCK
INTERRUPT
ENABLE REGISTER
R
EGISTER 529
IT
B
LOCK
I
NTERRUPT
E
NABLE EGISTER (BIER)
R
HEX ADDRESS: 0X0B01
B
FUNCTION
T
YPE
D
EFAULT
DESCRIPTION-OPERATION
7
SA6_ENB
R/W
R/W
R/W
0
0
0
SA6 interrupt enable
6
5
LBCODE_ENB
RXCLKLOSS
Loopback code interrupt enable
RxLineClk Loss Interrupt Enable
0 = Disables interrupt
1 = Enables interrupt
4
3
2
ONESEC_ENB
HDLC_ENB
SLIP_ENB
R/W
R/W
R/W
0
0
0
One Second Interrupt Enable
0 = Disables interrupt
1 = Enables Interrupt
HDLC Block Interrupt Enable
0 = Disables all HDLC Block interrupts
1 = Enables HDLC Block (for interrupt generation) at the block level
Slip Buffer Block Interrupt Enable
0 = Disables all Slip Buffer Block Interrupts
1 = Enables Slip Buffer Block at the block level
96
EXAR [ EXAR CORPORATION ]
