ACS8525T Semtech, ACS8525T Datasheet - Page 44

• Manufacturer Part Number: ACS8525T
• Description: Line Card Protection Switch for SONET/SDH Systems
• Manufacturer: Semtech

Address (hex):
Address (hex):
Revision 3.01/August 2005 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
Register Name
operating_
mode
Bit No.
Bit No.
Bit 7
[7:6]
[1:0]
Bit 7
5
4
3
2
7
05
06
sts_interrupts
Description
Not used.
status_SEC2_DIFF
Interrupt indicating that input SEC2 DIFF
has become valid (if it was invalid), or invalid (if it
was valid). Latched until reset by software writing a
1 to this bit.
status_SEC1_DIFF
Interrupt indicating that input SEC1 DIFF has
become valid (if it was invalid), or invalid (if it was
valid). Latched until reset by software writing a 1 to
this bit.
status_SEC2_TTL
Interrupt indicating that input SEC2 TTL has become
valid (if it was invalid), or invalid (if it was valid).
Latched until reset by software writing a 1 to this bit.
status_SEC1_TTL
Interrupt indicating that input SEC1 TTL has become
valid (if it was invalid), or invalid (if it was valid).
Latched until reset by software writing a 1 to this bit.
Not used.
sts_interrupts
DPLL1_
main_ref_failed
Description
operating_mode
Interrupt indicating that the operating mode has
changed. Latched until reset by software writing a 1
to this bit.
Bit 6
Bit 6
status_SEC2_
DIFF
Bit 5
Bit 5
Description
status_SEC1_
DIFF
Description
Bit 4
Bit 4
FINAL
Page 44
(R/W) Bits [7:0] of the interrupt
status register.
status_SEC2_
TTL
(R/W) Bits [15:8] of the interrupt
status register.
Bit Value
Bit Value
Bit 3
Bit 3
0
1
0
1
0
1
0
1
0
1
-
-
status_SEC1_
TTL
Value Description
-
Input SEC2 DIFF has not changed status (valid/
invalid).
Input SEC2 DIFF has changed status (valid/invalid).
Writing 1 resets the interrupt to 0.
Input SEC1 DIFF has not changed status (valid/
invalid).
Input SEC1 DIFF has changed status (valid/invalid).
Writing 1 resets the interrupt to 0.
Input SEC2 TTL has not changed status (valid/
invalid).
Input SEC2 TTL has changed status (valid/invalid).
Writing 1 resets the interrupt to 0.
Input SEC1 TTL has not changed status (valid/
invalid).
Input SEC1 TTL has changed status (valid/invalid).
Writing 1 resets the interrupt to 0.
-
Value Description
Operating mode has not changed.
Operating mode has changed.
Writing 1 resets the interrupt to 0.
Bit 2
Bit 2
Default Value
Default Value
ACS8525 LC/P
Bit 1
Bit 1
DATASHEET
www.semtech.com
1111 1111
0011 1111
status_SEC3
Bit 0
Bit 0