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          深圳市康新祥有限公司

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          您現(xiàn)在的位置: 深圳市康新祥有限公司>>研華產(chǎn)品>>ISA總線數(shù)據(jù)采集和控制卡(PCL系列)>> PCL-743B雙端口高速RS-232/485接口卡
          PCL-743B雙端口高速RS-232/485接口卡
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          • PCL-743B 產(chǎn)品型號(hào)
          • 品牌
          • 經(jīng)銷商 廠商性質(zhì)
          • 所在地

          訪問次數(shù):517更新時(shí)間:2022-03-20 08:00:21

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          產(chǎn)品簡介
          雙端口高速RS-232/485接口卡
          產(chǎn)品介紹
          主要特點(diǎn)
        1. two independent rs-422/485 serial ports
        2. 2個(gè)獨(dú)立的rs-422/rs-485串行接口
        3. 16c550 uarts with on-chip 16-byte fifo
        4. 帶16字節(jié)fifo的16c550 uart
        5. transmission speeds up to 921.6 kbps
        6. 傳輸速率可達(dá)921.6 kbps
        7. i/o address and interrupt se-lectable
        8. i/o地址和中斷可選
        9. wide irq se-lection: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15
        10. 多個(gè)irq可供選擇:3, 4, 5, 6, 7, 9, 10, 11, 12 或 15
        11. supports 2 wire or 4 wire operation
        12. supports tx, rx, rts, and cts signals
        13. automatic rs-485 data flow control or rts control
        14. termination resistors jumper enable/disable
        15. space reserved for optional surge protection on data lines
        16. supports standard dos com1, com2, com3, and com4
        17. supports windows? 98/2000/xp, linux?
        18. powerful and easy-to-use utility (icom tools)
        19.  
            內(nèi)容介紹
          the pcl-743 series card provides two rs-422/485 serial ports. each port utilizes a 16c550 uart with an on-chip 16-byte fifo buffer for reliable, high-speed serial i/o. the uart buffer divides data into 16-byte packets before sending them onto the bus. this drastically reduces the cpu load and avoids data loss due to failure to respond to the interrupt request in time. the uart is especially useful for high speed serial i/o under windows.
            訂購信息
            產(chǎn)品序號(hào)檔案描述
            pcl-743b-b 2-port rs-422/485 isa comm card


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