参数资料
型号: SPD6729QCE
厂商: INTEL CORP
元件分类: 总线控制器
英文描述: PCMCIA BUS CONTROLLER, PQFP208
封装: MQFP-208
文件页数: 75/116页
文件大小: 1442K
代理商: SPD6729QCE
PCI-to-PC Card (PCMCIA) Controller — PD6729
Datasheet
61
Bit 4: I/O Window 1 Size
When bit 5 of this register is a ‘0’, this bit determines the width of the data path for I/O Window 1
accesses to the card. When bit 5 is a ‘1’, this bit is ignored.
Bit 5: Auto-Size I/O Window 1
This bit controls the method that the width of the data path for I/O Window 1 accesses to the card is
determined. Note that when this bit is a ‘1’, the -IOIS16 signal ( Table 2) determines the width of
the data path to the card. This bit must be set to a ‘1’ for correct ATA mode operation (see “ATA
Bit 7: Timing Register Select 1
This bit determines the access timing specification (see “Timing Registers” on page 87) for I/O
Window 1.
8.2
System I/O Map 0-1 Start Address Low
There are two separate System I/O Map Start Address Low registers, each with identical fields.
These registers are located at the following indexes:
Index
(Socket A)System I/O Map Start Address Low
08h
System I/O Map 0 Start Address Low
0Ch
System I/O Map 1 Start Address Low
0
8-bit data path to I/O Window 1.
1
16-bit data path to I/O Window 1.
0
I/O Window 1 Size (see bit 4 of this register) determines the data path for I/O Window 1
accesses.
1
The data path to I/O Window 1 will be determined based on -IOIS16 returned by the card.
0
Accesses made with timing specified in Timer Set 0.
1
Accesses made with timing specified in Timer Set 1.
Register Name: System I/O Map 0-1 Start Address Low
Index: 08h, 0Ch
Register Per: socket
Register Compatibility Type: 365
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Start Address 7-0
RW:00000000
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