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參數(shù)資料
| 型號： | XR17V352IB-0A-EVB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 28/64頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR XR17V352 113BGA |
| 產(chǎn)品培訓模塊： | PCIe UARTs |
| 標準包裝： | 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
34
HIGH PERFORMANCE DUAL PCI EXPRESS UART
REV. 1.0.3
3.2
Automatic Hardware (RTS/CTS or DTR/DSR) Flow Control Operation
receiver FIFO and remote receiver FIFO. The RTS#/DTR# output pin is used to request remote unit to
suspend/restart data transmission while the CTS#/DSR# input pin is monitored to suspend/restart local
transmitter. The auto RTS/DTR and auto CTS/DSR flow control features are individually selected to fit specific
application requirement and enabled through EFR bit[7:6] and MCR bit [2] for either RTS/CTS or DTR/DSR
control signals. The auto RTS/DTR function must be started by asserting RTS/DTR# output pin (MCR bit [0] or
bit [1] to logic 1) after it is enabled. Figure 10 below explains how it works.
Two interrupts associated with RTS/DTR and CTS/DSR flow control have been added to give indication when
RTS/DTR# pin or CTS/DSR# pin is de-asserted during operation. The RTS/DTR and CTS/DSR interrupts must
be first enabled by EFR bit [4], and then enabled individually by IER bits [7:6], and chosen with MCR bit [2].
Automatic hardware flow control is selected by setting bits [7 (CTS): 6 (RTS)] of the EFR register to logic 1. If
CTS# pin transitions from LOW to HIGH indicating a flow control request, ISR bit [5] will be set to logic 1, (if
enabled via IER bit [7:6]), and the UART will suspend TX transmissions as soon as the stop bit of the character
in process is shifted out. Transmission is resumed after the CTS# input returns to LOW, indicating more data
may be sent.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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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