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PCI7421 数据表(PDF) 51 Page - Texas Instruments

部件名 PCI7421
功能描述  DUAL SINGLE SOCKET CARDBUS AND ILTRAMEDIA CONTROLLER WITH INTEGRATED 1304-A - CONTROLLER WITH DEDICATED FLASH MEDIA SOCKET
PDF  298 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

PCI7421 数据表(HTML) 51 Page - Texas Instruments

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2−25
Table 2−14. CardBus PC Card Interface Control Terminals (Continued)
SKT A TERMINAL
SKT B TERMINAL†
DESCRIPTION
I/O
INPUT
OUTPUT
PU/
POWER
NAME
NO.
NAME
NO.
DESCRIPTION
I/O
TYPE
INPUT
OUTPUT
PU/
PD
POWER
RAIL
A_CSTOP
A09
B_CSTOP
J17
CardBus stop. CSTOP is driven by a CardBus target
to request the initiator to stop the current CardBus
transaction. CSTOP is used for target disconnects,
and is commonly asserted by target devices that do
not support burst data transfers.
I/O
PCII4
PCIO4
PU3
VCCA/
VCCB
A_CSTSCHG
B02
B_CSTSCHG
F14
CardBus status change. CSTSCHG alerts the system
to a change in the card status, and is used as a
wake-up mechanism.
I
PCII6
SW1
VCCA/
VCCB
A_CTRDY
A08
B_CTRDY
H17
CardBus target ready. CTRDY indicates the ability of
the CardBus target to complete the current data
phase of the transaction. A data phase is completed
on a rising edge of CCLK, when both CIRDY and
CTRDY are asserted; until this time, wait states are
inserted.
I/O
PCII1
PCIO1
PU5
VCCA/
VCCB
A_CVS1
A_CVS2
A03
E08
B_CVS1
B_CVS2
C18
F19
CardBus voltage sense 1 and CardBus voltage sense
2. CVS1 and CVS2 are used in conjunction with
CCD1 and CCD2 to identify card insertion and
interrogate cards to determine the operating voltage
and card type.
I/O
TTLI2
TTLO1
PU4
VCCA/
VCCB
† These terminals are reserved for the PCI7611 and PCI7411 controllers.



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