dp83261 National Semiconductor Corporation, dp83261 Datasheet - Page 67
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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6 0 Control Information
Frame Transmitted Counter (FTCT)
The Frame Transmitted Counter (FTCT) maintains the count of frames transmitted successfully by this station The counter can
be used to accumulate station performance statistics
The Frame Transmitted Counter is incremented every time a complete frame is transmitted from the MAC Request Interface
MAC and Void frames generated by the Ring Engine are not included in the count
Interrupts are available on increment (CILR FRTRX) and when the 20-bit counter overflows and wraps around (COLR FRTRX)
ACCESS RULES
FTCT0
FTCT1
FTCT2
FTCT3
Address
B4 – B7h
CT(15)
CT(7)
Zero
Zero
D7
Always
Read
CT(14)
CT(6)
Zero
Zero
D6
(Continued)
Stop Mode
Write
CT(13)
CT(5)
Zero
Zero
D5
CT(12)
CT(4)
Zero
Zero
D4
67
CT(19)
CT(11)
CT(3)
Zero
D3
CT(18)
CT(10)
CT(2)
Zero
D2
CT(17)
CT(9)
CT(1)
Zero
D1
CT(16)
CT(8)
CT(0)
Zero
D0
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