Overview

The FT245 USB FIFO Board (mini) is an accessory board that provides a USB to parallel FIFO interface, with FT245 chip onboard, also features USB mini-AB connector, and control interface (8 data pins & 6 control pins).

The FT245 USB FIFO Board (mini) is ideal for establishing communication between MCU and PC.

There is also a jumper used for selecting VCC output level provided on the board:

• Short the jumper to select output voltage level as 5V or 3.3V. In this case, the accessory board is powered from USB *connection and provides power to the target application board
• If the jumper is open, the accessory board should be powered from the target application board (3.3V-5V)

Resources

1. FT245RL^[1]
   • Single chip USB to parallel FIFO bidirectional data transfer interface.
   • Entire USB protocol handled on the chip - No USB-specific firmware programming required.
   • Simple interface to MCU / PLD / FPGA logic with simple 4-wire handshake interface.
   • Data transfer rate to 1 Megabyte / second - D2XX Direct Drivers.
   • Data transfer rate to 300 kilobyte / second - VCP Drivers.
   • 256 byte receive buffer and 128 byte transmit buffer utilising buffer smoothing technology to allow for high data throughput.
2. USB interface
   • Two types of USB interfaces, USB mini and USB type A, for choice.
3. Power supply jumper VCCIO JMP
   • The power supply jumper VCCIO JMP can be set to 5V or 3.3V to supply different voltages to VCC pin of a motherboard.
4. Power status PWR LED
   • The PWR LED is used for checking whether the module is power supplied.
5. Pin header
   • It can be used for corresponding interface connection.

Pin definition

References

1. Jump up↑ FT245: The FT245R is the USB FIFO interface Integrated Circuit Devices.

Introduction

USB to parallel FIFO interface with USB mini-AB connector

Resources

• Schematic
• Code

FT245 Datasheets

Software

• FT245 Driver
• Ultra serial port monitor

To：

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