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Product Detailed Parameters
- Description：IC USB FS DUAL UART/FIFO 48LQFP
- Series：-
- Mfr：FTDI, Future Technology Devices International Ltd
- Package：Tray
- Features：Configurable GPIO, Internal Oscillator, Timer/Counter
- Number of Channels：2, DUART
- FIFO's：128 Byte
- Protocol：RS232, RS485
- Data Rate (Max)：1Mbps
- Voltage - Supply：3V ~ 5.25V
- With Auto Flow Control：-
- With IrDA Encoder/Decoder：-
- With False Start Bit Detection：-
- With Modem Control：-
- Mounting Type：Surface Mount
- Package / Case：48-LQFP
- Supplier Device Package：48-LQFP (7x7)
- Grade：-
- Qualification：-
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Overview
The FT2232C-TRAY is a dual-channel USB interface IC from FTDI, packaged in a 48-pin LQFP. It converts a single USB port into two independent IO channels, each configurable as a UART or FIFO interface without external hubs. The device supports USB 2.0 Full Speed (12 Mbit/s) and operates on a single 4.35V to 5.25V supply. Key features include integrated 3.3V LDO regulation, programmable baud rates up to 3 MBaud for TTL/RS485, and support for various modes such as MPSSE for JTAG/SPI and MCU Host Bus Emulation. It includes 384-byte RX and 128-byte TX buffers per channel.
Feature Summary
- Dual configurable IO channels supporting UART, FIFO, Bit-Bang, MPSSE, and MCU emulation modes
- Integrated USB protocol handling with no firmware programming required
- Independent 3.0V to 5.25V logic interfacing per channel via VCCIO pins
- Support for USB suspend/resume with low current consumption
Applications
- USB to Dual Port RS232 Converters
- USB to Dual Port RS422 / RS485 Converters
- Upgrading Legacy Peripheral Designs to USB
- USB Instrumentation and Industrial Control
- USB JTAG Programming and SPI Bus Interfaces
Procurement Notes
Verify the specific ordering suffix matches the required package type and tape/reel configuration. Confirm that the TRAY designation aligns with your manufacturing assembly requirements. Ensure compatibility with the intended operating voltage range of 4.35V to 5.25V for VCC. Check for RoHS compliance status if required by your regional regulations. Validate driver support for your target operating system before finalizing procurement.
Selection Notes
Select this component when dual independent serial or parallel interfaces are needed from a single USB connection. Consider the FT2232C over single-channel devices like FT232R if pin count efficiency is critical. Evaluate the need for MPSSE functionality for FPGA configuration or JTAG debugging. Ensure the host system supports USB 2.0 Full Speed controllers. Verify that the available GPIO pins meet the interface requirements for the target application.
Part Context
The FT2232C belongs to FTDI's third-generation USB UART/FIFO family, succeeding the second-generation BM chips. It integrates the functionality of two separate interface controllers into one compact package. This generation introduced enhanced features such as the Multi-Protocol Synchronous Serial Engine (MPSSE) and improved power management capabilities compared to its predecessors.
Replacement Considerations
FT2232H: Offers High Speed USB (480 Mbps) instead of Full Speed. FT232RL: Single channel UART only. FT4232H: Quad channel USB to UART/FIFO. FT2232HL: High speed variant of the dual channel architecture.
