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參數(shù)資料
| 型號(hào)： | PCI4410A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | PC CARD AND OHCI CONTROLLER |
| 中文描述： | PC卡和OHCI控制器 |
| 文件頁(yè)數(shù)： | 34/198頁(yè) |
| 文件大?。?/td> | 892K |
| 代理商： | PCI4410A |
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2
–
18
Table 2
–
12. 16-Bit PC Card Interface Control Terminals (Continued)
TERMINAL
NAME
NUMBER
I/O
DESCRIPTION
PDV
GHK
READY
(IREQ)
180
A10
I
Ready. The ready function is provided by READY when the 16-bit PC Card and the host socket are
configured for the memory-only interface. READY is driven low by the 16-bit memory PC Cards to indicate
that the memory card circuits are busy processing a previous write command. READY is driven high when
the 16-bit memory PC Card is ready to accept a new data-transfer command.
Interrupt request. IREQ is asserted by a 16-bit I/O PC Card to indicate to the host that a device on the 16-bit
I /O PC Card requires service by the host software. IREQ is high (deasserted) when no interrupt is
requested.
REG
173
B12
O
Attribute memory select. REG remains high for all common memory accesses. When REG is asserted,
access is limited to attribute memory (OE or WE active) and to the I/O space (IORD or IOWR active).
Attribute memory is a separately accessed section of card memory and generally is used to record card
capacity and other configuration and attribute information.
DMA acknowledge. REG is used as a DMA acknowledge (DACK) during DMA operations to a 16-bit PC
Card that supports DMA. The PCI4410A device asserts REG to indicate a DMA operation. REG is used
in conjunction with the DMA read (IOWR) or DMA write (IORD) strobes to transfer data.
RESET
167
F12
O
PC Card reset. RESET forces a hard reset to a 16-bit PC Card.
WAIT
181
B10
I
Bus cycle wait. WAIT is driven by a 16-bit PC Card to extend the completion of the memory or I/O cycle
in progress.
WE
154
F15
O
Write enable. WE is used to strobe memory write data into 16-bit memory PC Cards. WE also is used for
memory PC Cards that employ programmable memory technologies.
DMA terminal count. WE is used as TC during DMA operations to a 16-bit PC Card that supports DMA.
The PCI4410A device asserts WE to indicate TC for a DMA read operation.
WP
(IOIS16)
184
F10
I
Write protect. WP applies to 16-bit memory PC Cards. WP reflects the status of the write-protect switch
on 16-bit memory PC Cards. For 16-bit I/O PC cards, WP is used for the 16-bit port (IOIS16) function.
I/O is 16 bits. IOIS16 applies to 16-bit I/O PC Cards. IOIS16 is asserted by the 16-bit PC Card when the
address on the bus corresponds to an address to which the 16-bit PC Card responds, and the I/O port that
is addressed is capable of 16-bit accesses.
DMA request. WP can be used as the DMA request signal during DMA operations to a 16-bit PC Card that
supports DMA. If used, the PC Card asserts WP to indicate a request for a DMA operation.
VS1
VS2
179
165
F11
E13
I/O
Voltage sense 1 and voltage sense 2. VS1 and VS2, when used in conjunction with each other, determine
the operating voltage of the PC Card.
Table 2
–
13. CardBus PC Card Interface System Terminals
TERMINAL
NAME
NUMBER
PDV
I/O
DESCRIPTION
GHK
CCLK
156
D19
O
CardBus clock. CCLK provides synchronous timing for all transactions on the CardBus interface. All
signals except CRST, CCLKRUN, CINT, CSTSCHG, CAUDIO, CCD2, CCD1, CVS2, and CVS1 are
sampled on the rising edge of CCLK, and all timing parameters are defined with the rising edge of this
signal. CCLK operates at the PCI bus clock frequency, but it can be stopped in the low state or slowed
down for power savings.
CCLKRUN
184
F10
I/O
CardBus clock run. CCLKRUN is used by a CardBus PC Card to request an increase in the CCLK
frequency, and by the PCI4410A device to indicate that the CCLK frequency is going to be decreased.
CRST
167
F12
O
CardBus reset. CRST brings CardBus PC Card-specific registers, sequencers, and signals to a known
state. When CRST is asserted, all CardBus PC Card signals are placed in a high-impedance state, and
the PCI4410A device drives these signals to a valid logic level. Assertion can be asynchronous to CCLK,
but deassertion must be synchronous to CCLK.
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| PCI4510PDV | PC CARD AND INTEGRATED 1394A-2000 OHCI TWO PORT PHY/LINK LAYER CONTROLLER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCI4410AGHK | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI INTEGRATED PC CARD RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| PCI4410APDV | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI INTEGRATED PC CARD RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| PCI4410GHK | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| PCI4410PDV | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| PCI4450 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PC Card and OHCI Controller |
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