Specifications:
CH340/USB bus adapter chip
1. CH340 is a USB bus adapter chip, which can realize USB to serial port or USB to print port.
2. In the serial port mode, CH340 provides common MODEM contact signals, which are used to expand the asynchronous serial port for the computer, or directly upgrade the common serial port device to the USB bus.
Features:
①Full-speed USB device interface, compatible with USB V2.0
②Simulate the standard serial port, which is used to upgrade the original serial port peripheral devices, or to add additional serial ports through USB.
③The serial port application program under the Windows operating system on the computer side is fully compatible and does not need to be modified.
④Hardware full-duplex serial port, built-in transceiver buffer, support communication baud rate 50bps~2Mbps.
⑤Support common MODEM contact signals RTS, DTR, DCD, RI, DSR, CTS.
⑥ Provide RS232, RS485, RS422 and other interfaces by adding level conversion devices.
⑦CH340R chip supports IrDA standard SIR infrared communication, supports baud rate 2400bps to 115200bps.
⑧The software is compatible with CH341, and the driver of CH341 can be used directly.
⑨Support 5V power supply voltage, 3.3V power supply voltage and even 3V power supply voltage.
⑩CH340C, E and CH340B have built-in clock, no need for external crystal oscillator, CH340B also has built-in EEPROM for configuring serial number and so on. Available in S0P-16 and SS0P-20 and MS0P-10 lead-free packages, RoHS compliant.
Package Including:According to your choose. Choose your need from above drop down menu.
Payment:
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Payment must be completed within 7 days.
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Please list your special requests (color, packages, etc.) in the PAYPAL NOTES SECTION when you make payment.
Shipping:
We Ship to Worldwide.
Orders processed within 24-48 hours of payment verification. it will take 15-25 days for delivery. but Customs will random inspection some parcel, so that's why some parcel need more than four weeks to arrive. Shipping time is only estimated and not guaranteed.
We only ship to confirmed PAYPAL addresses. Your PAYPAL address MUST MATCH your Shipping address.
Package to USA will Shipping by E-Package with Tracking Number(7-15 Days to Delivered). To other Countries will shipping by Post Air Mail without tracking number(ONLY when the order is over 20USD will supply Tracking Number Shipping Way!)(15-35 Days to Delivered)
Items are shipped via China Post Air Mail.
Guarantee:
Good Good quality. Buy with confidence!
If you are not satisfied when you receive your item, please return it within 7 days for a replacement or money back. Please contact me before you return it.
Not accept returning of electronic components.
Full refund after we receive our original item, Note: Return shipping is to be paid by the Buyer.
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