1 PL-2303HX-edition product brochure v0.0 01/17/06 prolific technology inc. 7f, #48, sec.3, nan-kang rd., taipei, taiwan 115, r oc tel: 886-2-2654-6363 fax: 886-2-2654-6161 e-mail: sales@prolific.com.tw http://www.prolific.com.tw overview the PL-2303HX is a low cost and high performance us b-to-serial bridge controller. the PL-2303HX provides a convenient solution for connecting an rs -232 full-duplex asynchronous serial device to any universal serial bus (usb) capable host. the pl-230 3hx highly compatible drivers could simulate the traditional com port on most operating systems allo wing the existing applications based on com port to easily migrate and be made usb ready. the PL-2303HX is exclusively designed for mobile and embedded solutions in mind, providing a small footprint that could easily fit in to any connectors and handheld devices. with very small power consumption in either operati ng or suspend mode, the PL-2303HX is perfect for bu s power operation with plenty of power left for the a ttached devices. flexible signal level requirement on the rs-232 serial port side also allows the PL-2303HX t o connect directly to 3.3v ~ 1.8v devices. pl-2303h x integrates on-chip clock generator and otp rom to s ave external crystal and eeprom. customers can design with effective bom cost and compact pcb size . features full compliance with the usb specification v1.1 on-chip usb 1.1 transceiver and 5v 3.3v regulator supports rs-232 serial interface with programmable baud rate from 75 bps to 12 mbps (rev d) supports rs422/rs485 interface (rev d) integrates on-chip clock generator (rev d) on-chip otp (one time programming) rom for startup device configurations like product string and seria l number string (rev d) extensive flow control mechanism like adjustable high/low watermark level, automatic hardware or software flow control, and inbound data buffer over flow detection configurable 256-byte outbound buffer and 256-byte inbound buffer; or 128-byte outbound buffer and 384-byte inbound buffer supports remote wake-up from modem input signals supports up to 8 gpio pins (rev d) - 4 general purpose i/o pins & 4 auxiliary general purpose i/o package type: ssop28 / qfn32 PL-2303HX-edition (rev d) usb to serial bridge controller block diagram clock generator power management rom usb endpoint controller data buffer usb1.1 interface otp rom rs232/422/485 i/f controller usb transceiver regulator 5v 3.3v rs-232/422/485 device usb sie
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