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DP83255AVF Fiches technique(PDF) 49 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce DP83255AVF
Description  PLAYER Device (FDDI Physical Layer Controller)
PDF  96 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83255AVF Fiches technique(HTML) 49 Page - National Semiconductor (TI)

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50 Registers (Continued)
DEVICE ID REGISTER (IDR)
The Device ID Register contains the binary equivalent of the revision number for this device It can be used to ensure proper
software and hardware versions are matched
During the Control Bus Interface write-cycle the PLAYER device will set the Control Bus Write Command Register bit (CCR) of
the Interrupt Condition Register (ICR) to 1 and will ignore write-cycle
ACCESS RULES
ADDRESS
READ
WRITE
18h
Always
Write Reject
D7
D6
D5
D4
D3
D2
D1
D0
DID7
DID6
DID5
DID4
DID3
DID2
DID1
DID0
Bit
Symbol
Description
D0
DID0
DEVICE ID BIT k0l
Least significant bit (LSB) of the revision number
D1–6
DID1–6
DEVICE ID BIT k1-0-6l
Intermediate bits of the revision number
D7
DID7
DEVICE ID BIT k7l
Most significant bit (MSB) of the revision number
49



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