The FT232HL is a USB to serial UART interface IC manufactured by Future Technology Devices International (FTDI). It handles all the USB signaling and protocols, providing a simple and cost-effective way to add USB connectivity to devices with a serial interface.

Applications

• USB to Serial Adapters
• Connecting Microcontrollers to USB
• Instrumentation and Control Systems
• Barcode Scanners
• Point-of-Sale (POS) Systems
• Industrial Control Equipment
• USB Data Acquisition Systems

Features

• Single chip USB to asynchronous serial data transfer interface
• Entire USB protocol handled on the chip - No USB-specific firmware programming required
• UART interface support for 7 or 8 data bits, 1 or 2 stop bits and odd / even / mark / space / no parity
• Fully assisted hardware or X-On / X-Off software handshaking
• Data transfer rates from 300 baud to 3 Mbaud (RS422 / RS485 / RS232) at TTL levels
• Internal EEPROM for device ID and configuration
• Clock generator output option for driving external logic
• Integrated 3.3V regulator for USB IO

Benefits

• Simplified USB implementation
• Reduced development time and cost
• Flexible serial interface options
• High data transfer rates
• Customizable device identification and configuration
• Clock signal for external devices
• Reduced external component count

Additional Details

The FT232HL features a configurable CBUS I/O pin options. The internal EEPROM allows storing USB Vendor ID (VID), Product ID (PID), serial number, and other configuration data. It is available in various package options. It uses a 12MHz crystal oscillator. The operating temperature range spans standard industrial requirements. It is compatible with USB 2.0 High Speed. Its UART supports various flow control modes. The device integrates a power-on reset circuit, and usually requires minimal external components.