1 PL2303EA product brochure v0.1 2/1/12 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 PL2303EA is a low cost, high performance, and e sd-protected usb-to-serial bridge controller. the PL2303EA provides a convenient solution for connect ing an rs-232 full-duplex asynchronous serial devic e to any universal serial bus (usb) capable host that requires usb port system-level high esd protection . the PL2303EA eliminates the need for external esd p rotection components to minimize pcb size and save bom costs. it offers esd protection on the usb port pins up to 15kv human body model (hbm) and is according to the iec-61000-4-2esd specification. the PL2303EA is exclusively designed for mobile, em bedded systems, and industrial control systems, providing a stable and flexible solution for connec tors and devices. with very small power consumption in either operating or suspend mode, it is perfect for bus powered operation with plenty of power left fo r the attached devices. flexible signal level requirement on the rs-232 serial port side also allows the pl2 303ea to connect directly to 3.3v ~ 1.8v devices. the pl2 303ea integrates embedded clock and otprom (one-time programmable rom) to save external crysta l and eeprom. features full compliance with the usb specification v1.1 supports rs232/rs422/rs485 interface 15kv high esd hbm (human body model) protection on usb port (4-pin) system-level esd specification on usb port (4-pin) - 15kv iec 61000-4-2 air discharge - 8kv iec 61000-4-2 contact discharge on-chip usb 1.1 transceiver and 5v to 3.3v regulat or supports rs-232 serial interface with programmable baud rate from 75 bps to 12 mbps integrated otprom (one-time programmable rom) & 12mhz clock generator configurable outbound and inbound buffer supports remote wake-up from modem input signals supports 4 to 8 gpio pins pin-to-pin compatible with pl-2303hxd (hx rev d) chip and driver compatible package type: ssop28 PL2303EA esd-protected usb to serial bridge controller block diagram 96mhz clock generator usb 1.1 transceiver 5 to 3.3v regulator power management usb digital lock loop usb to serial interface engine control endpoint interrupt endpoint bulk-in endpoint bulk-out endpoint 256/384byte inbound data buffer 256/128byte outbound data buffer rs232 / rs422 / rs485 like serial interface engine 256-bytes otp rom hardware rom default descriptor PL2303EA rs232/rs422/rs485 interface usb host esd protection
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