參數(shù)資料
型號: PCI1520-EP
英文描述: Military Enhanced Plastic PC Card Controllers Data Manual
中文描述: 軍事增強塑料PC卡控制器數(shù)據(jù)手冊
文件頁數(shù): 92/125頁
文件大小: 716K
代理商: PCI1520-EP
5
5
5.1
ExCA Identification and Revision Register
The ExCA identification and revision register provides host software with information on 16-bit PC Card support and
Intel 82365SL-DF compatibility. This register is read-only or read/write, depending on the setting of bit 5
(SUBSYSRW) in the system control register (PCI offset 80h, see Section 4.29). See Table 5
2 for a complete
description of the register contents.
Bit
7
6
5
4
3
2
1
0
Name
ExCA identification and revision
Type
R
R
RW
RW
RW
RW
RW
RW
Default
1
0
0
0
0
1
0
0
Register:
Offset:
ExCA identification and revision
CardBus socket address + 800h; Card A ExCA offset 00h
Card B ExCA offset 40h
Type:
Default:
Read-only, Read/Write
84h
Table 5
2. ExCA Identification and Revision Register Description
BIT
SIGNAL
TYPE
FUNCTION
7
6
IFTYPE
R
Interface type. These bits, which are hardwired as 10b, identify the 16-bit PC Card support provided by the
PCI1520. The PCI1520 supports both I/O and memory 16-bit PC cards.
Reserved. Bits 5 and 4 can be used for Intel
82365SL-DF emulation.
Intel
82365SL-DF revision. This field stores the Intel
82365SL-DF revision supported by the PCI1520. Host
software can read this field to determine compatibility to the Intel
82365SL-DF register set. Writing 0010b to
this field puts the controller in 82365SL mode.
5
4
RSVD
RW
3
0
365REV
RW
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