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): 67/116頁
文件大?。?/td> 1442K
代理商: SPD6729QCE
PD6729 — PCI-to-PC Card (PCMCIA) Controller
54
Datasheet
Bit 6: Card Reset*
This bit determines whether the RESET signal (Table 2) to the card is active or inactive. When the
Card Enable bit (see “Bit 7: Card Enable” on page 52) is a ‘0’, the RESET signal to the card is high
impedance. See “ATA Mode Operation” on page 91 for further description of ATA mode functions.
Bit 7: Ring Indicate Enable
In I/O Card Interface mode, this bit determines whether the -STSCHG input pin is used to activate
the IRQ15 pin in conjunction with the IRQ15 Is RI Out bit (Misc Control 2 bit 7, see “Bit 7:
IRQ15/RI_OUT* Is RI Out” on page 73). This bit is not valid in Memory Card Interface mode.
7.5
Card Status Change
This register indicates the source of a management interrupt generated by the PD6729.
Note:
The corresponding bit in the Management Interrupt Configuration register must be set to a ‘1’
to enable each specific status change detection.
Bit 0: Battery Dead Or Status Change
0
The RESET signal to the card socket is set active (high for normal, low for ATA mode).
1
The RESET signal to the card socket is set inactive (low for normal, high for ATA mode).
0
BVD1/-STSCHG/-RI pin is status change function.
1
BVD1/-STSCHG/-RI pin is ring indicate input pin from card.
Register Name: Card Status Change
Index: 04h
Register Per: socket
Register Compatibility Type: 365
Bit 7Bit 6Bit 5
Bit 4Bit 3Bit 2
Bit 1Bit 0
Card Detect
Change
Ready
Change
Battery
Warning
Change
Battery Dead
Or Status
Change
R:0
0
A transition (from high to low in Memory Card Interface mode or either high to low or low to high
in I/O Card Interface mode) on the BVD1/-STSCHG/-RI pin has not occurred since this register
was last read.
1
A transition on the BVD1/-STSCHG/-RI pin has occurred.
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