CH340 Datasheet

Trang chủ » Ch340g Pdf » CH340 Datasheet

Có thể bạn quan tâm

CH340 This site is meta-search site about semiconductor and electronic components. It provides fast, accurate and integrated search results.
CH340 Datasheet Part Number: CH340 Function: USB to serial chip Package: SSOP-20 Type Manufacturer: WCH ( http://wch.cn/ ) This post explains for the semiconductor CH340. Image : ch340-usb-to-serial-chip

Description

CH340 is a USB bus convert chip and it can realize USB convert to serial interface, USB convert to IrDA infrared or USB convert to printer interface. In serial interface mode, CH340 supplies common MODEM liaison signal, used to enlarge asynchronous serial interface of computer or upgrade the common serial device to USBbus directly. More detail about USB convert to printer interface please referring to the second manual CH340DS2. In infrared mode, add infrared transceiver to CH340 can compose USB infrared adapter, realize SIR nfrared communication. The CH340 chip can be used with a variety of programming languages, including C, C++, Python, and others. CH340 Pinout ch340-datasheet-pinout

Features

1. Full speed USB device interface, conforms to USB Specification Version 2.0, only needs crystal and capacitance external. 2. Emulate standard serial interface, used to upgrade the former peripheral device, or add excess serial interface through USB. 3. Totally compatible with serial application program in computer endpoint Windows operation system. 4. Hardware full duplex serial interface, set transceiver buffer, supports communication baud rate varies from 50bps to 2Mbps. 5. Supports common MODEM liaison signal RTS, DTR, DCD, RI, DSR and CTS. 6. Through adding level converter equipment to supply RS232, RS485, RS422 and other interface. 7. Supports IrDA criterion SIR infrared communication, supports baud rate varies from 2400bps to 115200bps. 8. For it is through USB converts to serial interface, only compatible with application layer not totally. 9. Software compatible with CH341, using drive of CH341 directly. 10. Support 5V and 3.3V source voltage.

Block Diagram

ch340-block-diagram

Function description

CH340 sets up USB pull-up resistor internal, UD+ and UD- must be connected to USB bus. CH340 set power up reset circuit. RSTI is used to input asynchronous reset signal from outside. When RSTI is high-level, CH340 chip is reset. When RSTI is low-level, CH340 will continue delay 20mS to reset and then step into normal work state. In order to reset credibly during power up period and weaken the disturber from outside, a 0.47uF capacitance between RSTI and VCC is recommended. When CH340 chip is working normally, the outside must supply 12MHz clock signal to XI pin. In generally, clock signal is generated by inverter in CH340 through oscillating of crystal keeping frequency. A crystal of 12MHz between XI and XO, XI and XO connect a high frequency oscillator capacitance to ground respectively can compose the peripheral circuit. Reference Site: https://www.sunrom.com/m/4511 Other data sheets are available within the file: CH340G, CH340R, CH340T

CH340 Datasheet

CH340 pdf

Related articles across the web

  • 150_150_14.jpgWhat's Connected To Your USB Ports?
  • 150_150_9.jpgRugged Cortex A9/M4 hybrid module runs Linux at 2W
Part Number: CH340G Function : USB  to  UART  Interface ( USB Interface Integrated Circuit ) Package: SOIC 16 Pin Manufacturer: WCH ( DreamCity Innovations ) Image: CH340G datasheet image

Description

The CH340 is a series of USB bus adapters, that provides serial, parallel or IrDA interfaces over the USB bus (note: CH340G supports serial interface only). The CH340G integrate circuit provides common MODEM signals to allow adding a UART to a computer, or converting existing UART devices to USB interface. Pinout: CH340G pinout Features 1. Full-speed USB interface, compatible with USB 2.0 interface. 2. Operates with a minimum amount of external components: a crystal and a minimum of four capacitors. 3. Provides a virtual serial port for upgrading existing serial port devices or adding serial ports to a PC. 4. Supports all existing applications using serial ports without the need of changing existing code. 5. RoHS-compliant narrow body SO-16 package.

CH340G Datasheet

CH340G pdf

Related articles across the web

  • 150_150_2.jpgRaspberry Pi Multifunction Hat Board IRP-102 Offers RTC, ADC, LCD, RS232/485 And More (video)

Datasheet Search Sites for CH340

Datasheet39.com Datasheetcatalog
Datasheet4u.com Alldatasheet.com
Datasheets360.com Datasheetarchive
Octopart.com

Electronic Components Distributor for CH340

Digikey.com Arrow.com
Mouser.com Sparkfun.comm
Popular Search : 5088SS HV9120P AD7572 IRLR3105 IDT71256 TD62385AF LM350K IRFB7730PBF ESP8266MOD YX8018 B1392 ABS10 SGM4863 2SC3320 RHFL4913A 4558D 30F124 78L05 LTK5128 TA8216H KLMAG2WEPD-B031 17HS4401 TA7137P STR-G5643D MC4863PD DDA001AG DS3231 LM356 D1762 CS8508E DP904C D2627 K2508 P10N60C GS-SH-205T BB139 SC1S311 P3055LDG NCP1397B 3DD127D K4A60DA 5L0365R J377 40N03GP HCPL-4502 LC320DXJ-SFE1 ECC83 ZT202 LP156WH4-TLA1 TSF8N60M
You can get the results you want in a single search. Always keep the most recent data. CH340 informations provides an integrated search results from the website below. *.alldatasheet.com, *.analog.com, *.bourns.com, *.chipdocs.com, *.diodes.com *.chipfind.ru, *.datasheetspdf.com, *.datasheet39.com, *.datasheet4u.com *.datasheetcatalog.com, *.datasheets360.com, *.datasheetbank.com *.fairchild.com, *.htmldatasheet.com, *.intersil.com, *.linear.com *.maximintegrated.com, *.molex.com, *.mouser.com, *.nxp.com *.octopart.com, *.onsemi.com, *.renesas.com, *.rohm.com *.st.com, *.ti.com, *.digikey.com, *.datasheetarchive.com, *.arrow.com, *.sparkfun.com, *.datasheetq.com, *.element14.com *.wikipedia.org, *.youtube.com, *.github.com, *.edaboard.com *.adafruit.com, *.vishay.com, and other sites related to datasheet

@ www.DataSheetMeta.com | Contact Us

Từ khóa » Ch340g Pdf