參數(shù)資料
型號: LSIFC929
英文描述: LSIFC929 dual channel fibre solutions
中文描述: LSIFC929雙通道光纖解決方案
文件頁數(shù): 81/144頁
文件大?。?/td> 1496K
代理商: LSIFC929
Host Interface Registers
5-25
pin. The value written by the IOP is available to the System for reading
from the HostRegs->Doorbell register. The interrupt status/pin is cleared
when the System writes any value to the HostRegs->IntStatus register.
HDV
Host Doorbell Value (Read/Write)
Write: Doorbell value passed to IOP.
[31:0]
Read: Doorbell value received from IOP.
Register: 0x04
Write Sequence
Read/Write
The
Write Sequence
register provides a protection mechanism against
inadvertent writes to the
Host Diagnostic
register. A sequence of five
data specific writes must be written into the Write Sequence KEY field in
order to enable writes to the
Host Diagnostic
register. Any data value
written incorrectly will cause the
Write Sequence
register to restart by
looking for the first sequence value. The required data sequence is:
0x4, 0xB, 0x2, 0x7, 0xD
After the last value (0xD) is written, the
Host Diagnostic
register may be
written to until another write occurs to the
Write Sequence
register (of
any value). A bit is provided in the
Host Diagnostic
register which
indicates if write access has been enabled for the
Host Diagnostic
register (e.g. to verify that the Write Sequence data sequence was
correct or to verify that writes to the
Host Diagnostic
register have been
disabled).
R
Reserved (Read Only)
Reserved for future use.
[31:4]
WSKEY
Write Sequence KEY (Read/Write)
KEY field for Write Sequence as described above.
[3:0]
31
16
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
4
3
0
R
WSKEY
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
相關(guān)PDF資料
PDF描述
LSIFC929X LSIFC929X dual channel fibre solutions
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