參數(shù)資料
型號: LSIFC929XL
廠商: LSI CORP
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), 2G bps, FDDI CONTROLLER, PBGA456
封裝: 35 X 35 MM, 1.27 MM PITCH, PLASTIC, MO-151, BGA-456
文件頁數(shù): 7/156頁
文件大?。?/td> 1488K
代理商: LSIFC929XL
6-34
Registers
Copyright 2003-2005 by LSI Logic Corporation. All rights reserved.
Register: 0x04
Write Sequence
Read/Write
This register provides a protection mechanism against inadvertent writes
to the Host Diagnostic register. There is one Write I/O register that is visible
to both PCI functions. The two PCI functions physically share this register.
Reserved
[31:4]
This eld is reserved.
Write I/O Key
[3:0]
To enable write access to the Diagnostic Read/Write
Diagnostic register, perform ve data-specic writes to
the Write I/O Key. Writing an incorrect value to the Write
I/O Key invalidates the key sequence, and the host must
rewrite the entire sequence. The write I/O key sequence
is: 0x0004, 0x000B, 0x0002, 0x0007, and 0x000D. To
disable write access to the Diagnostic Read/Write Data,
registers, write any value (except the Write I/O Key
sequence) to the Write I/O register. The Diagnostic Write
Enable bit (bit 7 in the Host Diagnostic register) indicates
the write access status.
31
24 23
16 15
8
7
0
Write Sequence
0
01011
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