XRT72L13 Datasheet, PDF (156/370 Pages) Exar Corporation – M13 MULTIPLEXER/CLEAR CHANNEL DS3 FRAMER IC

XRT72L13 MULTIPLEXER/FRAMER IC
REV. 1.0.6
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PRELIMINARY
2.3.2.96 M23 RxDS2 Loopback Request Inter-
rupt Enable Register
M23 RXDS2 LOOP-BACK REQUEST INTERRUPT ENABLE REGISTER (ADDRESS = 0X90)
BIT 7
Unused
RO
0
BIT 6
M23 # 7
Loopback
Request
Interrupt
Enable
R/W
0
BIT 5
M23 # 6
Loopback
Request
Interrupt
Enable
R/W
0
BIT 4
M23 # 5
Loopback
Request
Interrupt
Enable
R/W
0
BIT 3
M23 # 4
Loopback
Request
Interrupt
Enable
R/W
0
BIT 2
M23 # 3
Loopback
Request
Interrupt
Enable
R/W
0
BIT 1
M23 # 2
Loopback
Request
Interrupt
Enable
R/W
0
BIT 0
M23 # 1
Loopback
Request
Interrupt
Enable
R/W
0
Bit 6 - M23 # 7 Loopback Request Interrupt Enable
This “Read/Write” bit-field permits the user to enable
or disable the “Receive DS2 Channel # 7 Loop-back
Request” Interrupt.
Setting this bit-field to “1” enables this interrupt. Set-
ting this bit-field to “0” disables this interrupt.
Bit 5 - M23 # 6 Loopback Request Interrupt Enable
This “Read/Write” bit-field permits the user to enable
or disable the “Receive DS2 Channel # 6 Loop-back
Request” Interrupt.
Setting this bit-field to “1” enables this interrupt. Set-
ting this bit-field to “0” disables this interrupt.
Bit 4 - M23 # 5 Loopback Request Interrupt Enable
This “Read/Write” bit-field permits the user to enable
or disable the “Receive DS2 Channel # 5 Loop-back
Request” Interrupt.
Setting this bit-field to “1” enables this interrupt. Set-
ting this bit-field to “0” disables this interrupt.
Bit 3 - M23 # 4 Loopback Request Interrupt Enable
This “Read/Write” bit-field permits the user to enable
or disable the “Receive DS2 Channel # 4 Loop-back
Request” Interrupt.
Setting this bit-field to “1” enables this interrupt. Set-
ting this bit-field to “0” disables this interrupt.
Bit 2 - M23 # 3 Loopback Request Interrupt Enable
This “Read/Write” bit-field permits the user to enable
or disable the “Receive DS2 Channel # 3 Loop-back
Request” Interrupt.
Setting this bit-field to “1” enables this interrupt. Set-
ting this bit-field to “0” disables this interrupt.
Bit 1 - M23 # 2 Loopback Request Interrupt Enable
This “Read/Write” bit-field permits the user to enable
or disable the “Receive DS2 Channel # 2 Loop-back
Request” Interrupt.
Setting this bit-field to “1” enables this interrupt. Set-
ting this bit-field to “0” disables this interrupt.
Bit 0 - M23 # 1 Loopback Request Interrupt Enable
This “Read/Write” bit-field permits the user to enable
or disable the “Receive DS2 Channel # 1 Loop-back
Request” Interrupt.
Setting this bit-field to “1” enables this interrupt. Set-
ting this bit-field to “0” disables this interrupt.
2.3.2.97 M23 RxDS2 Loopback Request Inter-
rupt Register
M23 RXDS2 CHANGE IN LOOP-BACK REQUEST STATE - INTERRUPT REGISTER (ADDRESS = 0X91)
BIT 7
Unused
RO
0
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Change in Change in Change in Change in Change in Change in Change in
Loop-back Loop-back Loop-back Loop-back Loop-back Loop-back Loop-back
Request Inter- Request Inter- Request Inter- Request Inter- Request Inter- Request Inter- Request Inter-
rupt Status rupt Status rupt Status rupt Status rupt Status rupt Status rupt Status
M23 # 7
M23 # 6
M23 # 5
M23 # 4
M23 # 3
M23 # 2
M23 # 1
RUR
RUR
RUR
RUR
RUR
RUR
RUR
0
0
0
0
0
0
0
Bit 6 - Change in Loop-back Request Interrupt
Status, M23 # 7.
This “Reset-upon-Read” bit-field indicates whether or
not there has been a change in the “Loop-back Re-
quest Status” for DS2 Channel # 7.
144