dp83261 National Semiconductor Corporation, dp83261 Datasheet - Page 42
dp83261
Manufacturer Part Number
dp83261
Description
Bmac Device Fddi Media Access Controller
Manufacturer
National Semiconductor Corporation
Datasheet
1.DP83261.pdf
(132 pages)
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Bit
D0
D1
D2
D3
D4
D5
D6
D7
6 0 Control Information
Counter Increment Latch Register (CILR)
The Counter Increment Latch Register (CILR) records the occurrence of any increment to the Event Counters Each bit
corresponds to a counter and is set when the corresponding counter is incremented Each bit may be masked via the Counter
Increment Mask Register (CIMR)
ACCESS RULES
REGISTER BITS
RES
D7
Address
FRRCV
FREI
FRLST
FRCOP
FRNCOP
FRTRX
TKRCVD
RES
Symbol
18h
TKRCVD
D6
Frame Received Is set when the Frame Received Counter (FRCT) is incremented indicating the reception
of a frame
Frame Error Isolated Is set when the Error Isolated Counter (EICT) is incremented indicating an error has
been insolated
Frame Lost Isolated Is set when the Lost Frame Counter (LFCT) is incremented indicating a format error
has been detected in the frame
Frame Copied Is set when the Frame Copied Counter (FCCT) is incremented indicating a frame has been
copied
Frame Not Copied Is set when the Frame Not Copied Counter (FNCT) is incremented indicating a frame
could not be copied
Frame Transmitted Is set when the Frame Transmitted Counter (FTCT) is incremented indicating a frame
has been transmitted
Token Received Is set when the Token Received Counter (TKCT) is incremented indicating that a token
has been received
Reserved
FRTRX
D5
Always
Read
FRNCOP
D4
(Continued)
Condition
FRCOP
Write
D3
FRLST
D2
42
FREI
D1
Description
FRRCV
D0
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