DP83256VF-AP NSC [National Semiconductor], DP83256VF-AP Datasheet - Page 81
DP83256VF-AP
Manufacturer Part Number
DP83256VF-AP
Description
Manufacturer
NSC [National Semiconductor]
Datasheet
1.DP83256VF-AP.pdf
(144 pages)
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D0 –D7
5 0 Registers
5 37 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
Bit
STV7
ADDRESS
D7
25h
STV0–STV7
Symbol
STV6
D6
(Continued)
SCRUB TIMER VALUE BIT
STV0 is the Least Significant Bit (LSB)
Always
READ
STV5
D5
Write Reject
STV4
WRITE
D4
k
0-7
l
STV3
D3
Snap-shot of the scrub timer
81
Description
STV2
D2
STV1
D1
STV0
D0
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