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CH341A SOP28 341A USB serial port chip programming IC

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CH341A SOP28 341A USB serial port chip programming IC
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PKR 190.00

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Product code : 1374
CH341A IC:
CH341A SOP28 341A USB serial port chip programming IC
● Full speed USB device interface, conforms to USB Specification Version 2.0, only needs crystal and
capacitance external.
● Optional: define Vender ID, production ID and list number through external low-cost serial EEPROM.
● Supports 5V and 3.3V power source.
● Low-cost, directly convert serial peripheral equipment, parallel printer and parallel peripheral
equipment.
● SOP-28 and SSOP-20 package lead free, compatible with RoHS.
● Only compatible with application layer because interfaces are diverted via USB.
Description

Details

Product Description:

CH341A SOP28 341A USB serial port chip programming IC

CH341A IC:
CH341A SOP28 341A USB serial port chip programming IC
1. Introduction
CH341 is a USB bus convert chip, providing UART, printer port, parallel and synchronous serial with
2-wire or 4-wire through USB bus.
In UART mode, CH341 provides alternant rate control signals such as serial transfer enable, serial
receive in ready etc. It also supplies common MODEM communication signal in order to expand UART for
computer or upgrade common synchronous interface device to USB bus directly.
In printer port mode, CH341 supplies standard USB printer port which compounds USB relevant
protocol and Windows operate system used to upgrade ordinary parallel printer to USB bus directly.
In parallel mode, CH341 gives out 8-bit parallel in EPP or MEM mode. It can be used to input/output
data directly without MCU/DSP.
Besides, CH341A also supports some common synchronous serial such as 2-wire (SCL, SDA) and
4-wire (CS, SCK/CLK, MISO/SDI/DIN and MOSI/SDO/DOUT) interface.
Features:
2.1.Introduction
● Full speed USB device interface, conforms to USB Specification Version 2.0, only needs crystal and
capacitance external.
● Optional: define Vender ID, production ID and list number through external low-cost serial EEPROM.
● Supports 5V and 3.3V power source.
● Low-cost, directly convert serial peripheral equipment, parallel printer and parallel peripheral
equipment.
● SOP-28 and SSOP-20 package lead free, compatible with RoHS.
● Only compatible with application layer because interfaces are diverted via USB.

 Package included: 
1 x Ch341a USB Programmer IC
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