溫濕度傳感器dht11相關(guān)ch340usb轉(zhuǎn)串口ic中文

CH340USB串口IC文資：CH340USBIC中文手冊（一１USB中文手冊版本1CH340USB串口IC文資：CH340USBIC中文手冊（一１USB中文手冊版本1CH340USBUSBUSBIrDAUSB串口方式下，CH340MODEMUSBUSB（二）CH340DS2在紅外方式下，CH340USBSIR2USBUSBUSBWindowsRS232、RS485、RS422USBUSBUSBWindowsRS232、RS485、RS422IrDASIR2400bps115200bps?！馛H3415V3.3VSSOP-20SOP-16RoHS3封裝形式SSOP-20SSOP-20SOP-塑體寬度5.30mm5.30mm209mil209mil引腳間距0.65mm0.65mm25mil202016CH340RCH340（一２4SSOP201916VCC81GND591067203411無1011121314無15V3CH340RCH340（一２4SSOP201916VCC81GND591067203411無1011121314無15V3XIXO UD-NOS#TXDRXDCTS#DSR#RI#DCD#DTR#RTS#ACT#R232NC.IR#CKOCH340R0.1uFUSB3.3VVCC5V0.01uF晶體及振蕩電容USBUSBD數(shù)據(jù)線USBUSBUSB設(shè)備掛起，低電平有效，內(nèi)置上拉電阻輸出串行數(shù)據(jù)輸出MODEMMODEMMODEMMODEMMODEMUSB內(nèi)置下拉電阻空腳CH340T：晶體及振蕩電容USBUSBD數(shù)據(jù)線USBUSBUSB設(shè)備掛起，低電平有效，內(nèi)置上拉電阻輸出串行數(shù)據(jù)輸出MODEMMODEMMODEMMODEMMODEMUSB內(nèi)置下拉電阻空腳CH340T：SIR輸出CH340T：時鐘輸出空腳CH340R：5USB，UDUDUSBCH34012MHzXIXO5VV34700pF0.01uF3.3VCH340V3VCC3.3VUSB的引腳包括：數(shù)據(jù)傳輸引腳、MODEMRS232RXD口輸出空閑時5VV34700pF0.01uF3.3VCH340V3VCC3.3VUSB的引腳包括：數(shù)據(jù)傳輸引腳、MODEMRS232RXD口輸出空閑時TXDTXDMODEM輔助引腳包括：IR#引腳、R232CKOACT#引腳。IR#CH340（一３:///b74a03c012f13ccdba6b1119d.htmlar模式。R232引腳用于控制輔助出（USB。IR#R232CH34015、6、7812、、、、、、、、、、、、000000.3％，2％Windows，CH340CH340USBRS232、RS485、RS422IrDA66.1.絕對最大值（工作不正常甚至損壞Windows，CH340CH340USBRS232、RS485、RS422IrDA66.1.絕對最大值（工作不正常甚至損壞SVCC電源電壓（VCC，GND最小值-40-55-0.5-最大值851256.5VCC℃℃V.電氣參數(shù)（測試條件：TA=25℃，VCC=5V，USB（3.3V，40％的系數(shù)V3VCC4.5VCCV3VCC3.3ICC（3.3V，40％的系數(shù)V3VCC4.5VCCV3VCC3.3ICC ISLPUSB VIL低電平輸入電壓- 高電平輸入電壓 VOL低電平輸出電（4mA吸入電流高電平輸出電壓（3mAVCC-（100uA內(nèi)置上拉電阻的輸入端的輸入電流3150IDN內(nèi)置下拉電阻的輸入端的輸入電流--150VR電源上電復(fù)位的電壓門限300.20.080.7VCC0.5300-300VmAmAmAVVVVuAuA6.3.時序參數(shù)（測試條件名稱FCLKXI12.005.33.8300.20.080.7VCC0.5300-300VmAmAmAVVVVuAuA6.3.時序參數(shù)（測試條件名稱FCLKXI12.0012.02MHz77.1.USB9（下圖下圖是由CH340T實現(xiàn)的USB轉(zhuǎn)RS232串口。CH340提供了常用的串口信號及串口相同，U8MAX213/ADM213/SP213/MAX2117.1.USB9（下圖下圖是由CH340T實現(xiàn)的USB轉(zhuǎn)RS232串口。CH340提供了常用的串口信號及串口相同，U8MAX213/ADM213/SP213/MAX211P2USB，USB5V5V接地線是黑色，D信號線是綠色，D-信號線是白色。USBUSBUSB5VUSBCH340USB1ΩUSB5VUSB5VC84700pF0.02μF，電源節(jié)點退耦，C90.1μF，C722pFX2C647pFPCBC8C9CH340DDXIXO7.2.USBRS232（下圖USB3RS232，U5MAX232/ICL232/SP2327.3.USBRS232（下圖USB3RS232 的電平轉(zhuǎn)換電路U5，所以硬件成本更低7.4.USB（下圖USBIrDA7.3.USBRS232（下圖USB3RS232 的電平轉(zhuǎn)換電路U5，所以硬件成本更低7.4.USB