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參數(shù)資料
| 型號： | XR17V352IB-0A-EVB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 5/64頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR XR17V352 113BGA |
| 產(chǎn)品培訓(xùn)模塊： | PCIe UARTs |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 接口，UART |
| 已用 IC / 零件： | XR17V352 |
| 已供物品： | 板 |
| 其它名稱： | 1016-1610 1016-1610-ND 1016-1645 XR17V352IB-0A-EVB-ND |
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XR17V352
13
REV. 1.0.3
HIGH PERFORMANCE DUAL PCI EXPRESS UART
1.3
Device Internal Register Sets
The Device Configuration Registers and the two individual UART Configuration Registers of the V352
occupy 2K of PCI bus memory address space. These addresses are offset onto the basic memory address, a
value loaded into the Memory Base Address Register (BAR) in the PCI local bus configuration register set. The
UART Configuration Registers are mapped into 2 address blocks where each UART channel occupies 1024
bytes memory space for its own registers that include the 16550 compatible registers. The Device
Configuration Registers are accessible from both UART channels. However, not all bits can be controlled by
both channels. The UART channel can only control the 8XMODE, 4XMODE, RESET and SLEEP register bits
that apply to that particular channel. For example, this prevents channel 0 from accidentally resetting channel
1.
All these registers can be accessed in 8, 16, 24 or 32 bits width depending on the starting address given by the
host at the beginning of the bus cycle. Transmit and receive data may be loaded or unloaded in 8, 16, 24 or 32
bits format in special locations given in the Table 4 below. Every time a read or write operation is made to the
transmit or receive register, its FIFO data pointer is automatically bumped to the next sequential data location
either in byte, word or DWORD. One special case applies to the receive data unloading when reading the
receive data together with its LSR register content. The host must read them in 16 or 32 bits format in order to
maintain integrity of the data byte with its associated error flags. These special registers are further discussed
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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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| XR17V352IB113-F | 功能描述:UART 接口集成電路 2 Channel PCIe UART w/256 Byte FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR17V354 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE QUAD PCI-EXPRESS UART |
| XR17V354IB-0A-EVB | 功能描述:界面開發(fā)工具 Eval Board for XR17V354IB-0A 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 |
| XR17V354IB176-F | 功能描述:UART 接口集成電路 4 Channel PCIe UART w/256 Byte FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR17V354IB-E4-EVB | 功能描述:界面開發(fā)工具 Eval Board for XR17V354IB-E4 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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