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DP83952 Datasheet(PDF) 63 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) 63 Page - National Semiconductor (TI)

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80 RIC II Registers (Continued)
PAGE SELECT REGISTER ((ALL PAGES) ADDRESS 10H)
The Page Select register performs two functions
1 It enables switches to be made between register pages
2 It provides status information regarding the Event Logging Interrupts
D7
D6
D5
D4
D3
D2
D1
D0
FC
HC
LC
FF
PSEL3
PSEL2
PSEL1
PSEL0
Bit
RW
Symbol
Description
D(30)
RW
PSEL(30)
PAGE SELECT BITS
When read these bits indicate the currently selected Upper Register Array
Page Write cycles to these locations facilitates page swapping
D4
R
FF
FLAG FOUND
This indicates one of the unmasked event recording latches has been set
D5
R
LC
LOW COUNT
This indicates one of the port event counters has a value less than 00FF Hex
D6
R
HC
HIGH COUNT
This indicates one of the port event counters has a value greater than C000 Hex
D7
R
FC
FULL COUNTER
This indicates one of the port event counters has a value equal to FFFF Hex
DEVICE TYPE REGISTER (PAGE 0H ADDRESS 11H)
This register may be used to distinguish different revisions of RIC It will return the value D7 e 1 for the DP83952 RIC II device
or the value D7 e 0 for the DP83950 RIC device Write operations to this register have no effect upon the contents
D7
D6
D5
D4
D3
D2
D1
D0
100000
X
X
63



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