- Single-chip USB to Serial (RS232/RS422/RS485) asynchronous serial data transfer interface
- Fully Compliant with USB Specification v2.0 (Full-Speed)
- USB-IF Logo Compliant with TID 40000100
- UHCI/OHCI (USB1.1), EHCI (USB 2.0), xHCI (USB 3.0) Host Controller Compatible
- Integrated USB 1.1 Transceiver and 5V to 3.3V Regulator
- Integrated 96MHz clock generator (No external crystal required)
- Integrated OTPROM (One-Time Programming ROM) – no external EEPROM required.
o For writing and storing customer USB VID/PID, Serial Number, Product String, and
other device startup configurations. (uses default settings if OTPROM is empty)
- Supports USB to RS232 Serial UART Interface
o Full-duplex transmitter and receiver (TXD and RXD)
o Six MODEM control pins (RTS, CTS, DTR, DSR, DCD, and RI)
o 5, 6, 7 or 8 data bits
o Odd, Even, Mark, Space, or None parity mode
o One, one and a half, or two stop bits
o Parity error, frame error, and serial break detection
o Programmable baud rate from 75 bps to 12M bps
o External RS232 driver power down control
o Independent power source for serial interface
- Supports RS-422/RS-485 like serial interface (TXD, DTR_N, and RTS_N pins should be externally pulled-up to 5V)
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- Extensive Flow Control Mechanism
o Adjustable high/low watermark level
o Automatic hardware flow control with CTS/RTS or DSR/DTR
o Automatic software flow control with XON/XOFF
o Inbound data buffer overflow detection
- Configurable 512-byte bi-directional data buffer
o 256-byte outbound buffer and 256-byte inbound buffer; or
o 128-byte outbound buffer and 384-byte inbound buffer
- Supports Remote Wake-up from RS232 input pin signals (RI, RXD, DSR, DCD, CTS)
- Four (4) General Purpose I/O (GP0, GP1, GP2, & GP3) pins and Four (4) Auxiliary General
Purpose I/O (RI_N, DSR_N, DCD_N, & CTS_N) pins.
- Supports Windows Selective Suspend by OTPROM configuration (Enable Remote Wakeup)
o Suspends power of chip when idle (COM port is closed)
- Provides royalty-free USB to Virtual COM Port drivers for Windows, Mac, Linux, Android
- -40°C to 85°C Operating Temperature
- Small footprint 28-pin SSOP or 32-pin QFN IC packages (RoHS compliant and Pb-free Green Compound
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ali –
آی سی رابط USB به سریال PL2303HXD
نرخ سرعت در ارتباط RS232 تا 115200bps بوده که اگر از شکل سیگنال RS232 چشم پوشی شود، میتوان به باد ریت (Baud rate) بیشتر از 115200bps دست یافت.