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DP83953 Datasheet(PDF) 65 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP83953
Description  Repeater Interface Controller with Security Features, Internal Drivers and Integrated Filters
PDF  90 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83953 Datasheet(HTML) 65 Page - National Semiconductor (TI)

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7.0 RIC2A Registers (Continued)
Inter Frame Gap Threshold Select Register (Page 0H Address 1FH)
This register is used to configure the hub management interface to provide a certain minimum inter frame gap between
packets transmitted over the management bus. The value written to this register, plus one, is the magnitude in bit times of
the minimum IFG allowed on the management bus.
Port Event Record Registers (Page 1H Addresses 11H to 1DH)
These registers hold the recorded events for the specified RIC2A port. The flags are cleared when the register is read.
Upper Event Information Register (Upper EIR) (Page 1H Address 1EH)
D7
D6
D5
D4
D3
D2
D1
D0
IFGT7
IFGT6
IFGT5
IFGT4
IFGT3
IFGT2
IFGT1
IFGT0
D7
D6
D5
D4
D3
D2
D1
D0
RCON
PART
OWC
SE
NSFD
PLER
ELBER
JAB
Bit
R/W
Symbol
Description
D0
R
JAB
Jabber: A Jabber Protect event has occurred.
D1
R
ELBER
Elasticity Buffer Error: A Elasticity Buffer Error has occurred.
D2
R
PLER
Phase Lock Error: A Phase Lock Error event has occurred.
D3
R
NSFD
Non SFD: A Non SFD packet event has occurred.
D4
R
SE
Short Event: A short event has occurred.
D5
R
OWC
Out of Window Collision: An out of window collision event has occurred.
D6
R
PART
Partition: A partition event has occurred.
D7
R
BDLNK
Bad Link: A link failure event has occurred.
D7
D6
D5
D4
D3
D2
D1
D0
ER8
ER7
ER6
ER5
ER4
ER3
ER2
ER1
Bit
R/W
Symbol
Description
D0
R
ER1
0: Flag found not generated by event on port 1
1: Flag found generated by event on port 1
D1
R
ER2
0: Flag found not generated by event on port 2
1: Flag found generated by event on port 2
D2
R
ER3
0: Flag found not generated by event on port 3
1: Flag found generated by event on port 3
D3
R
ER4
0: Flag found not generated by event on port 4
1: Flag found generated by event on port 4
D4
R
ER5
0: Flag found not generated by event on port 5
1: Flag found generated by event on port 5
D5
R
ER6
0: Flag found not generated by event on port 6
1: Flag found generated by event on port 6
D6
R
ER7
0: Flag found not generated by event on port 7
1: Flag found generated by event on port 7
D7
R
ER8
0: Flag found not generated by event on port 8
1: Flag found generated by event on port 8



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