dp83251 National Semiconductor Corporation, dp83251 Datasheet - Page 45

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dp83251

Manufacturer Part Number
dp83251
Description
Player Device Fddi Physical Layer Controller
Manufacturer
National Semiconductor Corporation
Datasheet
5 0 Registers
CURRENT STATE PRESCALE COUNT REGISTER (CSPCR)
The Current State Prescale Count Register takes a snap-shot of the State Prescale Counter during every Control Bus interface
read-cycle of this register
During a Control Bus Interface write-cycle to the Current State Prescale Count Register the PLAYER device will set the Control
Bus Write Command Reject bit (CCR) of the Interrupt Condition Register (ICR) to 1 and will ignore a write-cycle
ACCESS RULES
D7
CSPC7
ADDRESS
14h
D0 – 7
Bit
D6
CSPC6
(Continued)
READ
Always
D5
CSPC5
CSPC0 – 7
Symbol
WRITE
Write Reject
D4
CSPC4
D3
CSPC3
45
D2
CSPC2
CURRENT STATE PRESCALE COUNT
D1
CSPC1
Description
D0
CSPC0
k
0 – 7
l

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