Prolific PL-2303HX

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 serial number string ( Rev D) • Extensive flow control mechanism like adjustable high/ low watermark level, automatic hardware or software flow control, and inbound data buffer overflow 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