參數(shù)資料
型號: PCI1620GHK
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數(shù)據(jù)表參考
文件頁數(shù): 114/164頁
文件大?。?/td> 720K
代理商: PCI1620GHK
5
8
Table 5
5. ExCA Power Control Register Description
82365SL-DF Support
BIT
SIGNAL
TYPE
FUNCTION
7
COE
RW
Card output enable. This bit controls the state of all of the 16-bit outputs on the PCI1620. This bit is encoded
as:
0 = 16-bit PC Card outputs are disabled (default).
1 = 16-bit PC Card outputs are enabled.
6
5
RSVD
R
Reserved. These bits return 0s when read. Writes have no effect.
4
3
EXCAVCC
RW
VCC. These bits are used to request changes to card VCC. This field is encoded as:
00 = 0 V (default)
01 = 0 V reserved
10 = 5 V
11 = 3.3 V
2
RSVD
R
This bit returns 0 when read. A write has no effect.
1
0
EXCAVPP
RW
VPP. These bits are used to request changes to card VPP. The PCI1620 ignores this field unless VCC to
the socket is enabled (i.e., 5 Vdc or 3.3 Vdc). This field is encoded as:
00 = 0 V (default)
01 = VCC
10 = 12 V
11 = 0 V reserved
This bit is cleared only by the assertion of GRST when PME is enabled. If PME is not enabled, then this bit is cleared by the assertion of PRST
or GRST.
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