All USB protocols are handled in the chip, so no knowledge of USB is required. The 232BM is entirely state machine based and no firmware is required. Supports baud rates of up to 3 MBit / second.
Features:
- Single chip USB <=> asynchronous serial data transfer
- Full handshaking & modem interface signals
- UART interface supports 7/8 data bits, 1/2 stop bits and Odd/Even/Mark/Space/No Parity
- Data transfer rate of 300 Baud => 3M Baud (TTL)
- Data transfer rate of 300 Baud => 1M Baud (RS232)
- Data transfer rate of 300 Baud => 3M Baud (RS422/RS485)
- 384 Byte Rx buffer/128 Byte Tx buffer for high data throughput
- Adjustable Rx buffer timeout
- Fully assisted hardware or X-On/X-Off handshaking
- Built-in support for event characters and line break condition
- Auto transmit buffer control for RS485
- Support for USB suspend/resume through SLEEP# and RI# pins
- Support for high power USB bus powered devices through PWREN# pin
- Integrated level converter on UART and control signals for interfacing to 5V and 3.3V logic
- Integrated 3.3V regulator for USB IO
- Integrated Power-On-Reset circuit
- Integrated 6MHz - 48Mhz clock multiplier PLL
- USB Bulk or Isochronous data transfer modes
- 4.35V to 5.25V single supply operation
- UHCI/OHCI/EHCI host controller compatible
- USB 1.1 and USB 2.0 compatible
- USB VID, PID, serial number and product description strings in external EEPROM
- EEPROM programmable on-board via USB
- Compact 32-LD LQFP or QFN-32 package
- Available as a Lead-free device (FT232BL and FT232BQ) compliant to EU directive 2002/95/EG RoHS
Key Specifications:
- Power Requirements: 0.5 to +6 VDC
- Communication: Asynchronous Serial
- Package Type: LQFP-32
- Operating Temperature: +32° to +158° F (0° to +70° C)

Note to quantity customers: 1000 Tested Chips in a Reel. Higher quantity discounts are available through contact with our Sales Department.
Downloads & Resources:
FTDI Schematics (Off Site)
FTDI Chip Drivers (Off Site)