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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： | 90/116页 |
| 文件大小： | 1442K |
| 代理商： | SPD6729QCE |
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PCI-to-PC Card (PCMCIA) Controller — PD6729
Datasheet
75
This bit reconfigures the particular socket as an ATA drive interface. Refer to Table 11 on page 91
for PCMCIA socket pin definitions in ATA mode.
Bit 1: Speaker Is LED Input
This bit changes the function of the BVD2/-SPKR/-LED pin ( Table 2) from digital speaker input
to disk status LED input. When in I/O Card Interface mode or ATA mode, setting this bit to a ‘1’
reconfigures the BVD2/-SPKR/-LED input pin to serve as a -LED input from the socket.
Note:
This bit should be set to a ‘0’ if in Memory Card Interface mode.
Bit 3: A21
In ATA mode, the value in this bit is applied to the ATA A21 pin and is vendor-specific. Certain
ATA drive vendor-specific performance enhancements beyond the PCMCIA 2.1 standard can be
controlled through use of this bit. This bit has no hardware control function when not in ATA mode.
Bit 4: A22
In ATA mode, the value in this bit is applied to the ATA A22 pin and is vendor-specific. Certain
ATA drive vendor-specific performance enhancements beyond the PCMCIA 2.1 standard can be
controlled through use of this bit. This bit has no hardware control function when not in ATA mode.
Bit 5: A23/VU
In ATA mode, the value in this bit is applied to the ATA A23 pin and is vendor-specific. Certain
ATA drive vendor-specific performance enhancements beyond the PCMCIA 2.1 standard can be
controlled through use of this bit. This bit has no hardware control function when not in ATA mode.
Bit 6: A24/M/S*
In ATA mode, the value in this bit is applied to the ATA A24 pin and is vendor-specific. Certain
ATA drive vendor-specific performance enhancements beyond the PCMCIA 2.1 standard can be
controlled through use of this bit. This bit has no hardware control function when not in ATA mode.
Bit 7: A25/CSEL
In ATA mode, the value in this bit is applied to the ATA A25 pin and is vendor-specific. Certain
ATA drive vendor-specific performance enhancements beyond the PCMCIA 2.1 standard can be
controlled through use of this bit. This bit has no hardware control function when not in ATA mode.
0
Normal operation.
1
The PCMCIA -SPKR pin will be used to drive LED_OUT* if Drive LED Activity Enable (see
“Extension Control 1” on page 77) is set.
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