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DP83952 Datasheet(PDF) 69 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP83952
Description  Repeater Interface Controller with Security Features (RIC II)
PDF  90 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83952 Datasheet(HTML) 69 Page - National Semiconductor (TI)

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80 RIC II Registers (Continued)
UPPER EVENT INFORMATION REGISTER (UPPER EIR) (PAGE 1H ADDRESS 1EH)
D7
D6
D5
D4
D3
D2
D1
D0
ER8
ER7
ER6
ER5
ER4
ER3
ER2
ER1
Bit
RW
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
LOWER EVENT INFORMATION REGISTER (LOWER EIR) (PAGE 1H ADDRESS 1FH)
D7
D6
D5
D4
D3
D2
D1
D0
DLU
res
res
ER13
ER12
ER11
ER10
ER9
Bit
RW
Symbol
Description
D0
R
ER9
0 Flag found not generated by event on port 9
1 Flag found generated by event on port 9
D1
R
ER10
0 Flag found not generated by event on port 10
1 Flag found generated by event on port 10
D2
R
ER11
0 Flag found not generated by event on port 11
1 Flag found generated by event on port 11
D3
R
ER12
0 Flag found not generated by event on port 12
1 Flag found generated by event on port 12
D4
R
ER13
0 Flag found not generated by event on port 13
1 Flag found generated by event on port 13
D5
R
res
RESERVED FOR FUTURE USE
Reads as a logic 0
D6
R
res
RESERVED FOR FUTURE USE
Reads as a logic 0
D7
RW
DLU
DISABLE THE LED UPDATES
This bit disables the LED display updates for a faster processor
register access
0 Re-enable the LED update cycle (Note)
1 Disable the LED update cycles
Note
The LED update cycle will be re-enabled only when the network and the RIC II internal state machines are idle
69



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