Datasheet

Revised Date:
April 16, 2007
ds_pl2303HXD_v1.1.doc
PL-2303HX (Rev D) Product Datasheet - 8 - Document Version 1.1
1.0 Features
¾ Fully Compliant with USB Specification v2.0 (Full-Speed)
¾ On Chip USB 1.1 transceiver, 5VÆ3.3V regulator
¾ On-chip 96MHz clock generator
¾ Supports RS-422/RS-485 like serial interface (TXD, DTR_N, and RTS_N pins should be
externally pulled-up to 5V)
¾ Supports RS232-like Serial 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
¾ Extensive Flow Control Mechanism
o Adjustable high/low watermark level
o Automatic hardware flow control with CTS/RTS
(1)
or DSR/DTR
(2)
o Automatic software flow control with XON/XOFF
o Inbound data buffer overflow detection
¾ 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
¾ Supports remote wake-up from MODEM input signals
¾ Four (4) General Purpose I/O (GP0, GP1, GP2, & GP3) pins & Four (4) Auxiliary General
Purpose I/O (RI_N, DSR_N, DCD_N, & CTS_N) pins.
¾ On-chip OTP (One Time Programming) ROM for startup device configurations
¾ Hardware backward compatible with PL-2303H
¾ Provides drivers support for Windows, Mac OS, Linux, and WinCE
¾
Windows XP Certified Logo Drivers (x86 driver only)
¾
Windows Vista Certified Logo Drivers (x86 and x64 drivers)
¾
USB-IF Logo Compliant with TID 40000100
¾ Small footprint 28-pin SSOP or 32-pin QFN IC package
Notes:
(1) – CTS/RTS Hardware Flow Control supports either low-level active or high-level active.
(2)
– For DSR/DTR Hardware Flow Control support, please contact Prolific FAE for more information.