Description
The FT2232H is FTDI’s 5th generation of USB devices. The FT2232H is a USB 2.0 High Speed (480Mb/s) to UART/FIFO IC. It has the capability of being configured in a variety of industry standard serial or parallel interfaces.
Parameter
Module USB supply voltage: DC5V;
USB 2.0 full speed compatible.
Built-in 3.3V / 1.8V LDO regulator.
Extended operating temperature range: -40°C to 85°C
20-pin SSOP and QFN packages (RoHS compliant).
Compatible with UHCI / OHCI / EHCI host controllers.
Integrated power-on-reset circuit.
The data transfer rate is 1 megabyte per second.
Each chip has a pre-programmed unique USB serial number.
Supports bus-powered, self-powered and high-power bus-powered USB configurations.
Built-in + 3.3V level shifter for USB I/O.
Built-in + 3.3V level shifter for USB I/O.
True 3.3V CMOS driver output and TTL input. (The operating voltage drops to 1V8 through an external pull-up resistor)
The I/O voltage level is from 1.8V to 3.3V (withstand voltage to 5V). The drive current of the I/O pin can be configured.
The entire USB protocol is processed on this chip and does not require USB-specific firmware programming.
FT1248 serial parallel interface in 1, 2, 4, or 8-bit mode. Similar to the SPI slave 1-bit mode.
Integrated 2048-byte multiple-programmable (MTP) memory for storage device descriptions and CBUS I/O configuration.
An integrated clock generator eliminates the need for an external crystal and has a clock output option for seamless
connection to an external MCU or FPGA.
A 512-byte receive buffer and a 512-byte transmit buffer enable high data throughput with buffering.
Battery charger detection.
Mobile devices can use it to detect the presence of a charger on the USB port for higher current/faster\Charge the battery quickly.
8 mA (typ) of low operating current and 125 μA (typ) of USB suspend current. Low USB bandwidth consumption.
FTDI royalty-free virtual COM port (VCP) and direct (D2XX) drivers are exempt from USB drivers in most cases
Development requirements.
Typical Applications
Single chip USB to dual channel UART (RS232, RS422 or RS485).
Single chip USB to dual channel FIFO.
Single chip USB to dual channel JTAG.
Single chip USB to dual channel SPI.
Single chip USB to dual channel I2C.
Single chip USB to dual channel Bit-Bang.
Single chip USB to dual combination of any of above interfaces.
Single chip USB to Fast Serial Optic Interface.
Single chip USB to CPU target interface (as memory), double and independent.
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