參數(shù)資料
型號: SPD6729QCE
廠商: INTEL CORP
元件分類: 總線控制器
英文描述: PCMCIA BUS CONTROLLER, PQFP208
封裝: MQFP-208
文件頁數(shù): 80/116頁
文件大?。?/td> 1442K
代理商: SPD6729QCE
PD6729 — PCI-to-PC Card (PCMCIA) Controller
66
Datasheet
Bits 7-0: Start Address 19-12
This register contains the least-significant byte of the address that specifies where in the memory
space the corresponding memory map will begin. Memory accesses that are equal or above this
address and equal or below the corresponding System Memory Map End Address will be mapped
into the memory space of the corresponding PCMCIA card.
The most-significant four bits are located in the System Memory Map 0-4 Start Address High
register.
9.2
System Memory Map 0-4 Start Address High
There are five separate System Memory Map Start Address High registers, each with identical
fields. These registers are located at the following indexes:
Index
(Socket A)System Memory Map Start Address High
11h
System Memory Map 0 Start Address High
19h
System Memory Map 1 Start Address High
21h
System Memory Map 2 Start Address High
29h
System Memory Map 3 Start Address High
31h
System Memory Map 4 Start Address High
Bits 3-0: Start Address 23-20
This field contains the most-significant four bits of the Start Address. See the description of the
Start Address field associated with bits 7-0 of the System Memory Map 0-4 Start Address Low
register.
Bit 7: Window Data Size
This bit determines the data path size to the card.
Register Name: System Memory Map 0-4 Start Address High
Index: 11h, 19h, 21h, 29h, 31h
Register Per: socket
Register Compatibility Type: 365
Bit 7Bit 6Bit 5Bit 4Bit 3
Bit 2Bit 1
Bit 0
Window Data
Size
Compatibility
Bit
Scratchpad Bits
Start Address 23-20
RW:0
RW:00
RW:0000
0
8-bit data path to the card.
1
16-bit data path to the card.
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