GX4002 Datasheet, PDF (62/74 Pages) Gennum Corporation – Dynamic on-chip power management control

Appendix: Configuration and Status Register Map
NOTE: *Indicates bits for lower data rates (below 10G operation).
Table 7-1: Configuration and Status Register Map
Register Name
RSVD
Register
Address^d
0
Parameter Name
RSVD
FAULTMASKCH1LOS
Bit
Position
Access
7:0
RW
0:0
RW
FAULTMASKCH1LOL
1:1
RW
TOP_REG1
FAULTMASKCH0LOS
1
FAULTMASKCH0LOL
2:2
RW
3:3
RW
TOP_REG2
FAULTMASKCH0FAULT
RSVD
POLINVCH0FAULT
POLINVCH1LOS
2
OPENDRAINCH1LOS
4:4
RW
7:5
RW
0:0
RW
1:1
RW
2:2
RW
OPENDRAINCH0FAULT
3:3
RW
RSVD
7:4
RW
PRBSGENSTART
0:0
RW
TOP_REG3
3
PRBSCHKCLEARERR
1:1
RW
RSVD
7:2
RW
RSVD
3:0
RW
TOP_REG4
4
FORCECH0FAULT
4:4
RW
RSVD
7:5
RW
RSVD
5
RSVD
7:0
RW
TOP_REG6
PRBSCHKSTATUS
6
RSVD
0:0
RO
7:1
RW
NOTE: * Indicates bits for lower data rates (below 10G operation)
Reset Value^b
00000000
1
1
1
1
0
000
0
0
1
1
0000
0
0
000000
1111
0
000
00001111
0
0000000
Valid
Range^d
Function
0-255
0-1
0-1
0-1
0-1
0-1
0-7
0-1
0-1
0-1
0-1
0-15
0-1
0-1
0-63
0-15
0-1
0-7
0-255
0-1
0-127
Reserved. Do not change.
When HIGH, masks out Ch1LOS from asserting
Ch0FAULT.
When HIGH, masks Ch1LOL from asserting
Ch0FAULT.
When HIGH, masks out Ch0LOS from asserting
Ch0FAULT.
When HIGH, masks Ch0LOL from asserting
Ch0FAULT.
When HIGH masks out Ch0FAULT from
asserting Ch0FAULT.
Reserved. Do not change.
When HIGH, inverts polarity of Ch0FAULT
output.
When HIGH, inverts polarity of Ch1LOS output.
When HIGH, makes Ch1LOS output driver
open-drain.
When HIGH, makes Ch0FAULT output driver
open-drain.
Reserved. Do not change.
When pulsed HIGH and LOW, starts off the
PRBS generator.
When HIGH, clears the latched error flag from
checker.
Reserved. Do not change.
Reserved. Do not change.
When HIGH, asserts CH0FAULT.
Reserved. Do not change.
Reserved. Do not change.
When HIGH, checker detected an error.
Reserved. Do not change.
GX4002 2x2 14.025Gb/s Crosspoint Switch with Trace
Equalization and Output De-Emphasis
Data Sheet
55972 - 0
March 2012
62 of 74
Proprietary & Confidential