xr
XRT83SL28
REV. 1.0.0
8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
TABLE 12: MICROPROCESSOR REGISTER BIT DESCRIPTION
CHANNEL CONTROL REGISTER (0X06H, 0X0AH, 0X0EH, 0X12H, 0X16H, 0X1AH, 0X1EH, 0X22H)
Register
Default
Value
Type
RUR
BIT
NAME
FUNCTION
(HW reset)
D5
AISI_n
Alarm Indication Signal Interrupt Status
"0" = No Change
0
"1" = Change in Status Occured
D4
D3
DMOI_n Driver Monitor Output Interrupt Status
"0" = No Change
RUR
RUR
0
0
"1" = Change in Status Occured
RLOSI_n Receiver Loss of Signal Interrupt Status
"0" = No Change
"1" = Change in Status Occured
D2
D1
D0
Reserved This Register Bit is Not Used
Reserved This Register Bit is Not Used
Reserved This Register Bit is Not Used
R/W
R/W
R/W
X
X
X
TABLE 13: MICROPROCESSOR REGISTER BIT DESCRIPTION
CHANNEL CONTROL REGISTER (0X07H, 0X0BH, 0X0FH, 0X13H, 0X17H, 0X1BH, 0X1FH, 0X23H)
Register
Type
Default
Value
BIT
NAME
FUNCTION
(HW reset)
D7
D6
D5
Reserved This Register Bit is Not Used
Reserved This Register Bit is Not Used
R/W
R/W
RO
X
X
0
AISS_n
Alarm Indication Signal Alarm Status
The alarm indication signal detection is always active regardless if
the interrupt generation is disabled. This bit indicates the AIS
activity. An interrupt will not occur unless the AISIE is set to "1" in
the channel register 0x04h and GIE is set to "1" in the global regis-
ter 0xE0h.
"0" = No Alarm
"1" = An all ones signal is detected
D4
DMOS_n Driver Monitor Output Alarm Status
RO
0
The Driver Monitor output is always active regardless if the inter-
rupt generation is disabled. This bit indicates the DMO activity. An
interrupt will not occur unless the DMOIE is set to "1" in the chan-
nel register 0x04h and GIE is set to "1" in the global register
0xE0h.
"0" = No Alarm
"1" = Transmit output driver has failures
39
EXAR [ EXAR CORPORATION ]
