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UMFT234XD Datasheet(PDF) 8 Page - Future Technology Devices International Ltd. |
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UMFT234XD Datasheet(HTML) 8 Page - Future Technology Devices International Ltd. |
8 / 11 page 8 Copyright © 2015 Future Technology Devices International Limited UMFT234XD Datasheet Version 1.1 Document Reference No.: FT_000801 Clearance No.: FTDI# 327 8 Internal MTP ROM Configuration Following a power-on reset or a USB reset the FT234XD will scan its internal MTP ROM and read the USB configuration descriptors stored there. The default values programmed into the internal MTP ROM in the FT234XD used on the UMFT234XD are shown in Table 8.1. Parameter Value Notes USB Vendor ID (VID) 0403h FTDI default VID (hex) USB Product UD (PID) 6015h FTDI default PID (hex) Serial Number Enabled? Yes Serial Number See Note A unique serial number is generated and programmed into the MTP ROM during final test of the UMFT234XD module. 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 Product Description UMFT234XD Max Bus Power Current 90mA Power Source Bus Powered Device Type FT234XD USB Version 0200 Returns USB 2.0 device description to the host. Note: The device is a USB 2.0 Full Speed device (12Mb/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 serial and CBUS I/O pins. Load VCP Driver Enabled Makes the device load the VCP driver interface for the device. CBUS0 PWREN# Table 8.1 Default Internal MTP ROM Configuration The internal MTP ROM in the FT234XD can be programmed over USB using the utility program FT_PROG. FT_PROG can be downloaded from www.ftdichip.com. 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 (support1@ftdichip.com) for this service. |
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