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DP83256 датащи(PDF) 81 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали DP83256
подробное описание детали  PLAYERa??Device (FDDI Physical Layer Controller)
PDF  144 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83256 датащи(HTML) 81 Page - National Semiconductor (TI)

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50 Registers (Continued)
537 SCRUB TIMER VALUE REGISTER (STVR)
This is a snap-shot of the current value of the upper 8 bits of the scrub timer
During a Control Bus Interface write cycle the Control Bus Write Command Reject bit (CCR) of the Interrupt Condition Register
(ICR) will be set to 1 and will ignore a write cycle
ACCESS RULES
ADDRESS
READ
WRITE
25h
Always
Write Reject
D7
D6
D5
D4
D3
D2
D1
D0
STV7
STV6
STV5
STV4
STV3
STV2
STV1
STV0
Bit
Symbol
Description
D0 – D7
STV0 – STV7
SCRUB TIMER VALUE BITk0-7l
Snap-shot of the scrub timer
STV0 is the Least Significant Bit (LSB)
81



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