5.1 ExCA Identification and Revision Register
This register provides host software with information on 16-bit PC Card support and 82365SL-DF compatibility. See
Table 5−2 for a complete description of the register contents.
NOTE: If bit 5 (SUBSYRW) in the system control register is 1, then this register is read-only.
Bit
7
6
5
4
3
2
1
0
Name
Type
Default
ExCA identification and revision
R
1
R
0
RW
0
RW
0
RW
0
RW
1
RW
0
RW
0
Register:
Offset:
ExCA identification and revision
CardBus Socket Address + 800h:
Card A ExCA Offset 00h
Card B ExCA Offset 40h
Type:
Default:
Read/Write, Read-only
84h
Table 5−2. ExCA Identification and Revision Register Description
BIT
SIGNAL
IFTYPE
RSVD
TYPE
FUNCTION
Interface type. These bits, which are hardwired as 10b, identify the 16-bit PC Card support provided by the
PCI6x21/PCI6x11 controller. The PCI6x21/PCI6x11 controller supports both I/O and memory 16-bit PC
Cards.
7−6 ‡
5−4 ‡
3−0 ‡
R
RW
RW
These bits can be used for 82365SL emulation.
82365SL-DF revision. This field stores the Intel 82365SL-DF revision supported by the PCI6x21/PCI6x11
controller. Host software can read this field to determine compatibility to the 82365SL-DF register set. This
field defaults to 0100b upon reset. Writing 0010b to this field places the controller in the 82356SL mode.
365REV
‡
One or more bits in this register are cleared only by the assertion of GRST.
5−5
TI [ TEXAS INSTRUMENTS ]
