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FT232RL Datasheet(PDF) 28 Page - Future Technology Devices International Ltd. |
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FT232RL Datasheet(HTML) 28 Page - Future Technology Devices International Ltd. |
28 / 29 page FT232R USB UART I.C. Datasheet Version 1.04 © Future Technology Devices International Ltd. 2005 Page 28 10. Internal EEPROM Configuration Following a power-on reset or a USB reset the FT232R will scan its internal EEPROM and read the USB configuration descriptors stored there. The default values programmed into the internal EEPROM in a brand new device are defined in Table 18. Table 18 - Default Internal EEPROM Configuration Parameter Value Notes USB Vendor ID (VID) 0403h FTDI default VID (hex) USB Product ID (PID) 6001h FTDI default PID (hex) Serial Number Enabled? Yes Serial Number See Note A unique serial number is generated and programmed into the EEPROM during device final test. Pull Down I/O Pins in USB Suspend Disabled Enabling this option will make the device pull down on the UART interface lines when the power is shut off (PWREN# is high) Manufacturer Name FTDI Manufacturer ID FT Serial number prefix Product Description FT232R USB UART Max Bus Power Current 90mA Power Source Bus Powered Device Type FT232R USB Version 0200 Returns USB 2.0 device descriptor to the host. Note: The device is be a USB 2.0 Full Speed device (12Mb/s) as opposed to a USB 2.0 High Speed device (480Mb/s). Remote Wake up Enabled Taking RI# low will wake up the USB host controller from suspend. High Current I/Os Disabled Enables the high drive level on the UART and CBUS I/O pins Load VCP Driver Enabled Makes the device load the VCP driver interface for the device. CBUS0 TXLED# Default configuration of CBUS0 - Transmit LED drive CBUS1 RXLED# Default configuration of CBUS1 - Receive LED drive CBUS2 TXDEN Default configuration of CBUS2 - Transmit data enable for RS485 CBUS3 PWREN# Default configuration of CBUS3 - Power enable. Low after USB enumeration, high during USB suspend. CBUS4 SLEEP# Default configuration of CBUS4 - Low during USB suspend. Invert TXD Disabled Signal on this pin becomes TXD# if enabled. Invert RXD Disabled Signal on this pin becomes RXD# if enabled. Invert RTS# Disabled Signal on this pin becomes RTS if enabled. Invert CTS# Disabled Signal on this pin becomes CTS if enabled. Invert DTR# Disabled Signal on this pin becomes DTR if enabled. Invert DSR# Disabled Signal on this pin becomes DSR if enabled. Invert DCD# Disabled Signal on this pin becomes DCD if enabled. Invert RI# Disabled Signal on this pin becomes RI if enabled. The internal EEPROM in the FT232R can be programmed over USB using the utility program MPROG. MPROG can be downloaded from the FTDI website. Version 2.8a or later is required for the FT232R chip. Users who do not have their own USB Vendor ID but who would like to use a unique Product ID in their design can apply to FTDI for a free block of unique PIDs. Contact FTDI support for this service. |
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Similar Description - FT232RL |
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