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參數(shù)資料
| 型號： | 82557 |
| 廠商： | Intel Corp. |
| 英文描述： | Fast Ethernet PCI Bus Controller(快速以太網(wǎng) PCI總線控制器) |
| 中文描述： | 快速以太網(wǎng)PCI總線控制器（快速以太網(wǎng)的PCI總線控制器） |
| 文件頁數(shù)： | 8/57頁 |
| 文件大?。?/td> | 601K |
| 代理商： | 82557 |
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INTEL 82557 FAST ETHERNET PCI BUS CONTROLLER
8
2.1.1.
SIGNAL TYPE DEFINITION
IN
Input is a standard input-only signal
OUT
Totem Pole Output is a standard active driver.
TS
Tri-State is a bi-directional, tri-state input/output pin.
STS
Sustained Tri-State is an active low tri-state signal owned and driven by the 82557. When the
82557 drives this pin low, it must drive it high for at least one clock before letting it float.
OD
Open Drain allows multiple devices to share as a wired-OR.
2.1.2.
ADDRESS AND DATA PINS
Symbol
Pin
Type
Name and Function
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD19
AD20
AD21
AD22
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AD31
94
93
90
89
86
85
82
81
77
74
73
72
71
68
67
66
49
48
47
44
43
40
39
36
31
30
27
26
24
23
20
19
TS
Address and Data are multiplexed on the same PCI pins by the 82557. A bus
transaction consists of an address phase followed by one or more data
phases.The address phase is the clock cycle in which FRAME# is asserted.
During the address phase AD0-31 contain a physical address (32 bits). For
I/O, this is a byte address; for configuration and memory, a DWORD address.
The 82557 uses ‘Little Endian’ byte ordering. During data phases AD0-7
contain the least significant byte (LSB) and AD24-31 contain the most
significant byte (MSB).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 82559 | Fast Ethernet Multifunction PCI/CARD bus controller(快速以太網(wǎng)多功能PCI/CARD 總線控制器) |
| 8255A-5 | PROGRAMMABLE PERIPHEAL INTERFACE |
| 8255A | IC LOGIC 3257 4-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER -40+85C SSOP-16 - OBSOLETE |
| 8255A | Programmable Peripheral Interface iAPX86 Family |
| 8255A-5 | 12-Bit, 2.7 V to 5.25 V, 1.5 MSPS Low Power ADC; Package: SOIC - Wide; No of Pins: 24; Temperature Range: Industrial |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 8255702-025 | 制造商:ITT Interconnect Solutions 功能描述:NASA CONNECTOR - Bulk |
| 8255702-095 | 制造商:ITT Interconnect Solutions 功能描述:NASA CONNECTOR - Bulk |
| 8255702-096 | 制造商:ITT Interconnect Solutions 功能描述:NASA CONNECTOR - Bulk |
| 8255702-098 | 制造商:ITT Interconnect Solutions 功能描述:NASA CONNECTOR - Bulk |
| 8255704-050 | 制造商:ITT Interconnect Solutions 功能描述:NASA CONNECTOR - Bulk |
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