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參數(shù)資料
| 型號： | PI7C7300DNAE |
| 廠商： | Pericom |
| 文件頁數(shù)： | 105/107頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PCI-PCI BRIDGE 3PORT 272-BGA |
| 標準包裝： | 40 |
| 系列： | * |
| 應用： | * |
| 接口： | * |
| 電源電壓： | * |
| 封裝/外殼： | 272-BBGA |
| 供應商設備封裝： | 272-PBGA（27x27） |
| 包裝： | 管件 |
| 安裝類型： | 表面貼裝 |
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PI7C7300D
3-PORT PCI-TO-PCI BRIDGE
Page 97 of 107
Pericom Semiconductor
November 2005 - Revision 1.01
15.3.4
SECONDARY IDSEL MAPPING
When PI7C7300D detects a Type 1 configuration transaction for a device connected to
the secondary, it translates the Type 1 transaction to Type 0 transaction on the
downstream interface. Type 1 configuration format uses a 5-bit field at P_AD[15:11] as a
device number. This is translated to S1_AD[31:16] or S2_AD[31:16] by PI7C7300D.
16
IEEE 1149.1 COMPATIBLE JTAG CONTROLLER
An IEEE 1149.1 compatible Test Access Port (TAP) controller and associated TAP pins
are provided to support boundary scan in PI7C7300D for board-level continuity test and
diagnostics. The TAP pins assigned are TCK, TDI, TDO, TMS and TRST#. All digital
input, output, input/output pins are tested except TAP pins and clock pin.
The IEEE 1149.1 Test Logic consists of a TAP controller, an instruction register, and
a group of test data registers including Bypass, Device Identification and Boundary Scan
registers. The TAP controller is a synchronous 16-state machine driven by the Test Clock
(TCK) and the Test Mode Select (TMS) pins. An independent power on reset circuit is
provided to ensure the machine is in TEST_LOGIC_RESET state at power-up. The
JTAG signal lines are not active when the PCI resource is operating PCI bus cycles.
PI7C7300D implements 3 basic instructions: BYPASS, SAMPLE/PRELOAD, and
EXTEST.
16.1
BOUNDARY SCAN ARCHITECTURE
Boundary-scan test logic consists of a boundary-scan register and support logic. These
are accessed through a Test Access Port (TAP). The TAP provides a simple serial
interface that allows all processor signal pins to be driven and/or sampled, thereby
providing direct control and monitoring of processor pins at the system level.
This mode of operation is valuable for design debugging and fault diagnosis since it
permits examination of connections not normally accessible to the test system. The
following subsections describe the boundary-scan test logic elements: TAP pins,
instruction register, test data registers and TAP controller. Error! Reference source not
found. illustrates how these pieces fit together to form the JTAG unit.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| PI7C7300EVB | 功能描述:界面開發(fā)工具 3 Port PCI Bridge Eval Brd RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| PI7C8140A | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:2 PORT PCI TO PCI BRIDGE PLX PCI 6140 COMPARISON |
| PI7C8140AEVB | 功能描述:界面開發(fā)工具 2 Port PCI to PCI Bridge Eval Brd RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
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| PI7C8140AMAE | 功能描述:外圍驅(qū)動器與原件 - PCI PCI -to -PCI Bridge 2 Port RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
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