DP83256VF-AP NSC [National Semiconductor], DP83256VF-AP Datasheet - Page 52
DP83256VF-AP
Manufacturer Part Number
DP83256VF-AP
Description
Manufacturer
NSC [National Semiconductor]
Datasheet
1.DP83256VF-AP.pdf
(144 pages)
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D0 –D4
D5 –D7
5 0 Registers
5 8 INJECTION SYMBOL REGISTER B (ISRB)
The Injection Symbol Register B along with Injection Symbol Register A contains the programmable value (already in 5B code)
that will replace the data symbol pairs
In One Shot mode ISRA and ISRB are injected n bytes after a JK where n is the programmed value of the Injection Threshold
Register In the Periodic mode ISRA and ISRB are injected every n-th symbol pair In the Continuous mode all data symbols are
replaced with ISRA and ISRB
ACCESS RULES
Bit
RES
D7
ADDRESS
IJS0 –IJS4
RES
07h
Symbol
RES
D6
INJECTION SYMBOL BIT
IJS0 is the Least Significant Bit (LSB) and goes out onto the media last
RESERVED Reserved for future use
Note Users are discouraged from using these bits The reserved bits are set to 0 during the reset process They may be set or cleared
(Continued)
without any effects to the functionality of the PLAYER
Always
READ
RES
D5
IJS9
D4
WRITE
Always
k
0-4
l
Symbol to be injected
IJS8
D3
52
Description
a
device
IJS7
D2
IJS6
D1
IJS5
D0
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