參數(shù)資料
型號(hào): VT82C586B
廠商: Electronic Theatre Controls, Inc.
英文描述: PCI INTEGRATED PERIPHERAL CONTROLLER
中文描述: 整合的周邊控制器的PCI
文件頁(yè)數(shù): 60/69頁(yè)
文件大?。?/td> 393K
代理商: VT82C586B
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VT82C586B
Revision 1.0
May 13, 1997
-
54-
Register Descriptions
Offset 47-46 - GPO Port Output Value (GPO_VAL) .... RW
Reads from this register return the last value written (held on
chip).
15-8 GPO15-8 Value.
Output port value for the external
GPO port connected to SD15-8. This port is
available only if the GPIO4_CFG bit is zero to define
pin 136 as GPO_WE.
7-0
GPO7-0 Value.
Output port value for the external
GPO port connected to XD7-0. This port is available
only if the GPIO4_CFG bit is zero to define pin 136
as GPO_WE.
GPIO4_CFG is in PCI Config Register function 3 offset 40h.
Offset 49-48 - GPI Port Input Value (GPI_VAL) ........... RO
Reads from this register are ignored (and return a value of 0).
15-8 GPI15-8 Value.
Input port value for the external
GPI port connected to SD15-8. This port is available
only if the GPIO3_CFG bit is zero to define pin 92 as
GPI_RE#.
7-0
GPI7-0 Value.
Input port value for the external GPI
port connected to XD7-0. This port is available only
if the GPIO3_CFG bit is zero to define pin 92 as
GPI_RE#.
GPIO3_CFG is in PCI Config Register function 3 offset 40h.
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