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: 83/116页
文件大小: 1442K
代理商: SPD6729QCE
PCI-to-PC Card (PCMCIA) Controller — PD6729
Datasheet
69
The most-significant six bits are located in the Card Memory Map 0-4 Offset Address High
register.
9.6
Card Memory Map 0-4 Offset Address High
There are five separate Card Memory Map Offset Address High registers, each with identical
fields. These registers are located at the following indexes:
Index
(Socket A)Memory Map Address Offset High
15h
Card Memory Map 0 Offset Address High
1Dh
Card Memory Map 1 Offset Address High
25h
Card Memory Map 2 Offset Address High
2Dh
Card Memory Map 3 Offset Address High
35h
Card Memory Map 4 Offset Address High
Bits 5-0: Offset Address 25-20
This field contains the most-significant six bits of the Offset Address. See the description of the
Offset Address field associated with bits 7-0 of the Card Memory Map 0-4 Offset Address Low
register.
Bit 6: REG Setting
This bit determines whether -REG (Table 2) is active for accesses made through this window. Card
Information Structure (CIS) memory is accessed by setting this bit to a ‘1’.
Bit 7: Write Protect
This bit determines whether writes to the card through this window are allowed.
Register Name: Card Memory Map 0-4 Offset Address High
Index: 15h, 1Dh, 25h, 2Dh, 35h
Register Per: socket
Register Compatibility Type: 365
Bit 7Bit 6Bit 5Bit 4Bit 3
Bit 2Bit 1Bit 0
Write Protect
REG Setting
Offset Address 25-20
RW:0
RW:000000
0
-REG (see Table 2 on page 18) is not active for accesses made through this window.
1
-REG is active for accesses made through this window.
0
Writes to the card through this window are allowed.
1
Writes to the card through this window are inhibited.
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