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FT4232
FT4232:
•Single chip USB to quad serial ports with a variety of configurations.
•Entire USB protocol handled on the chip. No USB specific firmware programming required.
•USB 2.0 High Speed (480Mbits/Second) and Full Speed (12Mbits/Second) compatible.
•Two Multi*Protocol Synchronous Serial Engine (MPSSE) on channel A and channel B, to simplify synchronous serial protocol (USB to JTAG, I2C, SPI or bit*bang) design.
•Independent Baud rate generators.
•RS232/RS422/RS485 UART Transfer Data Rate up to 12Mbaud. (RS232 Data Rate limited by external level shifter).
Product Description
DESCRIPTION:
- The FT4232 is FTDI’s 5th generation of USB devices. The FT4232H is a USB 2.0 High Speed (480Mb/s) to UART/MPSSE ICs. The device features 4 UARTs. Two of these have an option to independently configure an MPSSE engine. This allows the FT4232H to operate as two UART/Bit5Bang ports plus two MPSSE engines used to emulate JTAG, SPI, I2C, Bit5bang or other synchronous serial modes. The FT4232 has the following advanced.
features:
•Single chip USB to quad serial ports with a variety of configurations.
•Entire USB protocol handled on the chip. No USB specific firmware programming required.
•USB 2.0 High Speed (480Mbits/Second) and Full Speed (12Mbits/Second) compatible.
•Two Multi*Protocol Synchronous Serial Engine (MPSSE) on channel A and channel B, to simplify synchronous serial protocol (USB to JTAG, I2C, SPI or bit*bang) design.
•Independent Baud rate generators.
•RS232/RS422/RS485 UART Transfer Data Rate up to 12Mbaud. (RS232 Data Rate limited by external level shifter).
•FTDI’s royalty*free Virtual Com Port (VCP) and Direct (D2XX) drivers eliminate the requirement for USB driver development in most cases.
•Optional traffic TX/RX indicators can be added with LEDs and an external 74HC595 shift register.
•Adjustable receive buffer timeout.
•Support for USB suspend and resume conditions via PWREN#, SUSPEND# and RI# pins.
•Highly integrated design includes +1.8V LDO regulator for VCORE, integrated POR function and on chip clock multiplier PLL (12MHz –480MHz).
Typical Applications:
•Single chip USB to four channels UART (RS232, RS422 or RS485) or Bit*Bang interfaces.
•Single chip USB to 2 JTAG channels plus 2 UARTS.
•Single chip USB to 1 JTAG channel plus 3UARTS.
•Single chip USB to 1 SPI channel plus 3 UARTS.
•Single chip USB to 2 SPI channels plus 2 UARTS.
•Single chip USB to 2 Bit*Bang channels plus 2 UARTS.
•Single chip USB to 1 SPI channel, plus 1 JTAG channel plus 2 UARTS.
•Single chip USB to 2 I2C channels plus 2µ UARTS.
•Numerous combinations of 4 channels.
•Upgrading Legacy Peripheral Designs to USB
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