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): 89/116頁
文件大?。?/td> 1442K
代理商: SPD6729QCE
PD6729 — PCI-to-PC Card (PCMCIA) Controller
74
Datasheet
10.4
Chip Information
Bits 5-0: PD6729 Revision Level
This field identifies the revision of the controller.
Bits 7-6: PD6729 PC Card Controller Identification
This field identifies a PD6729 device. After chip reset or doing an I/O write to this register, the first
read of this register will return a 11b. On the next read, this field will be 00b. This pattern of
toggling data on subsequent reads can be used by software to determine presence of a PD6729 in a
system or to determine occurrence of a device reset.
10.5
ATA Control
Bit 0: ATA Mode
Register Name: Chip Information
Index: 1Fh
Register Per: chip
Register Compatibility Type: ext.
Bit 7Bit 6Bit 5
Bit 4
Bit 3Bit 2Bit 1Bit 0
PD6729 PC Card Controller
Identification
PD6729 Revision Level
R:11
R:nnnnnnnn1
NOTE:
1. This read-only value depends on the revision level of the PD6729 chip. A value of 21h/E1h indicates the chip uses extended
registers 34h-3Bh to indicate chip revision and features.
00
Second read after I/O write to this register.
11
First read after I/O write to this register.
Register Name: ATA Control
Index: 26h
Register Per: socket
Register Compatibility Type: ext.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
A25/CSEL
A24/M/S*
A23/VU
A22
A21
Scratchpad
Bit
Speaker Is
LED Input
ATA Mode
RW:0
0
Normal operation.
1
Configures the socket interface to handle ATA-type disk drives.
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