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DP83266 Datasheet(PDF) 68 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP83266
Description  MACSITM Device (FDDI Media Access Controller and System Interface)
PDF  152 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83266 Datasheet(HTML) 68 Page - National Semiconductor (TI)

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70 Control Information (Continued)
Counter Overflow Latch Register (COLR)
The Counter Overflow Latch Register (COLR) records carry events from the 20th bit of the SMT Counters in the Ring Engine
Each bit in the COLR corresponds to an individual counter Each bit may be masked via the Counter Overflow Mask Register
(COMR)
Access Rules
Address
Read
Write
01Ch
Always
Conditional
Register Bits
D7
D6
D5
D4
D3
D2
D1
D0
RES
TKRCVD
FRTRX
FRNCOP
FRCOP
FRLST
FREI
FRRCV
Bit
Symbol
Description
D7
RES
Reserved
D6
TKRCVD
Token Received
Is set to One when the Token Received Counter (TKCT) overflows
D5
FRTRX
Frame Transmitted
Is set to One when the Frame Transmitted Counter (FTCT) overflows
D4
FRNCOP
Frame Not Copied
Is set to One when the Frame Not Copied Counter (FNCT) overflows
D3
FRCOP
Frame Copied
Is set to One when the Frame Copied Counter (FCCT) overflows
D2
FRLST
Frame Lost Isolated
Is set to One when the Lost Frame Counter (LFCT) overflows
D1
FREI
Frame Error Isolated
Is set to One when the Error Isolated Counter (EICT) overflows
D0
FRRCV
Frame Received
Is set to One when the Frame Received Counter (FRCT) overflows
68



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