EELXT332PE.G2-871662 Cortina Systems Inc, EELXT332PE.G2-871662 Datasheet - Page 24

• Manufacturer Part Number: EELXT332PE.G2-871662
• Manufacturer: Cortina Systems Inc

Specifications of EELXT332PE.G2-871662

• Operating Supply Voltage (typ): 5V
• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Compliant

LXT332
Datasheet
249075, Revision 2.0
26 June 2007
Figure 7
Cortina Systems
* Regardless of Interrupt Status
bits D2 – D4 indicate LEN status
bit D0 indicates LOS status
bit D1 indicates DFM status
(bits D5 – D7 = Operating mode)
Read Output Status Word*
Interrupt Handling
of Input Status Word
®
of Input Status Word
to Clear/Mask LOS
to re
INT* = High
Write “0” to D0
(No Interrupt)
Write “1” to D0
LXT332 Dual T1/E1 Line Interface Unit with Crystal-less Jitter Attenuation
Interrupt.
-
Interrupt.
enable LOS
INT* = Low (Interrupt)
LOS
LOS
No
(bits D5 – D7 = Interrupt Status)
Read Output Status Word*
Write “1 1” to D0 & D1
Write “00” to D0 – D1
of Input Status Word
of Input Status Word
and DPM Interrupts.
Interrupts Enabled
to Clear/Mask LOS
Start
to re
INT* goes High
Re
Condition
Conditions
Re
Interrupts
Interrupts
Does an
Interrupt
Interrupt
Interrupt
Interrupt.
-
-
Exist?
Exist?
Mask
which
up or Reset
What
-
enable LOS
-
Enable
?
?
enable
?
No
Yes
LOS & DFM
Yes
LOS & DFM
DFM
DFM
Yes
No
of Input Status Word
of Input Status Word
Write “1” to D1
to Clear/Mask
DFM Interrupt.
Write “0” to D1
DFM Interrupt.
to re
-
enable
of Input Status Word
Write “1” to D0
* Regardless of Interrupt Status
to Mask LOS
bits D2 – D4 indicate LEN status
bit D0 indicates LOS status
bit D1 indicates DFM status
Interrupt.
LOS
No
(bits D5 – D7 = Operating mode)
Read Output Status Word*
Write “1 1” to D0 – D1
of Input Status Word
and DPM Interrupts
to Mask LOS
Conditions
Are both
Interrupt
Interrupt
Masked
which
Mask
?
?
LOS & DFM
Yes
4.7 Host Mode Control
DFM
of Input Status Word
Write “1” to D1
DFM Interrupt.
to Mask
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