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參數(shù)資料
| 型號： | PCI1620GHK |
| 英文描述： | Controller Miscellaneous - Datasheet Reference |
| 中文描述： | 控制器雜項-數(shù)據(jù)表參考 |
| 文件頁數(shù)： | 107/164頁 |
| 文件大小： | 720K |
| 代理商： | PCI1620GHK |
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5
–
1
5 ExCA Compatibility Registers (Functions 0 and 1)
The ExCA (exchangeable card architecture) registers implemented in the PCI1620 are register-compatible with the
Intel 82365SL-DF PCMCIA controller. ExCA registers are identified by an offset value, which is compatible with the
legacy I/O index/data scheme used on the Intel
82365 ISA controller. The ExCA registers are accessed through
this scheme by writing the register offset value into the index register (I/O base), and reading or writing the data
register (I/O base + 1). The I/O base address used in the index/data scheme is programmed in the PC Card 16-bit
I/F legacy mode base address register, which is shared by both card sockets. The offsets from this base address run
contiguously from 00h to 3Fh for socket A, and from 40h to 7Fh for socket B. See Figure 5
–
1 for an ExCA I/O mapping
illustration. Table 5
–
1 identifies each ExCA register and its respective ExCA offset.
The TI PCI1620 also provides a memory-mapped alias of the ExCA registers by directly mapping them into PCI
memory space. They are located through the CardBus socket registers/ExCA registers base address register (PCI
register 10h) at memory offset 800h. Each socket has a separate base address programmable by function. See
Figure 5
–
2 for an ExCA memory mapping illustration. Note that memory offsets are 800h
–
844h for both functions
0 and 1. This illustration also identifies the CardBus socket register mapping, which is mapped into the same 4K
window at memory offset 0h.
The interrupt registers in the ExCA register set, as defined by the 82365SL specification, control such card functions
as reset, type, interrupt routing, and interrupt enables. Special attention must be paid to the interrupt routing registers
and the host interrupt signaling method selected for the PCI1620 to ensure that all possible PCI1620 interrupts can
potentially be routed to the programmable interrupt controller. The ExCA registers that are critical to the interrupt
signaling are at memory address ExCA offsets 803h and 805h.
Access to I/O mapped 16-bit PC Cards is available to the host system via two ExCA I/O windows. These are regions
of host I/O address space into which the card I/O space is mapped. These windows are defined by start, end, and
offset addresses programmed in the ExCA registers described in this section. I/O windows have byte granularity.
Access to memory mapped 16-bit PC Cards is available to the host system via five ExCA memory windows. These
are regions of host memory space into which the card memory space is mapped. These windows are defined by start,
end, and offset addresses programmed in the ExCA registers described in this section. Memory windows have
4-Kbyte granularity.
A bit location followed by a
means that this bit is not cleared by the assertion of PRST. This bit is only cleared by
the assertion of GRST. This is necessary to retain device context during the transition from D3 to D0.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCI1620PDV | Controller Miscellaneous - Datasheet Reference |
| PCI2050A | 32-Bit. 66MHz. 9-Master PCI-to-PCI Bridge |
| PCI2050GHK | BUS CONTROLLER |
| PCI2050PDV | BUS CONTROLLER |
| PCI9054AB50BI | Interface IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCI1620PDV | 功能描述:外圍驅(qū)動器與原件 - PCI PC Card Flash & Smart Card Cntrlr 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 |
| PCI-1620U | 制造商:ADVANTECH 制造商全稱:Advantech Co., Ltd. 功能描述:8-port RS-232 PCI Communication Card, with Surge Protection |
| PCI1620ZHK | 功能描述:外圍驅(qū)動器與原件 - PCI PC Card Flash & Smart Card Cntrlr 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 |
| PCI-1622A-BE | 制造商:Advantech Co Ltd 功能描述:8PORT RS-422/485 PCI COM CARD - Trays 制造商:Advantech Co Ltd 功能描述:8-port RS-422/485 UPCI COMM card |
| PCI-1622CU | 制造商:ADVANTECH 制造商全稱:Advantech Co., Ltd. 功能描述:8-port RS-422/485 Universal PCI Communication Card with Isolation & EFT Protection |
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