Datasheet

© Copyright 2009 Future Technology Devices International Ltd
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Document Reference No.: FT_000202
UM245R USB - Parallel FIFO Development Module Datasheet Version 1.04
Clearance No.: FTDI# 124
9 Internal EEPROM Configuration
Following a power-on reset or a USB reset the FT245R will scan its internal EEPROM and read the USB
configuration descriptors stored there. The default values programmed into the internal EEPROM in the
FT245RL used on the UM245R are shown in Table 9.1.
Parameter
Value
Notes
USB Vendor ID (VID)
0403h
FTDI default VID (hex)
USB Product UD (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 final test of the UM245R module.
Pull down I/O Pins in USB
Suspend
Disabled
Enabling this option will make the device pull down on the
FIFO interface lines when the power is shut off (PWREN# is
high).
Manufacturer Name
FTDI
Manufacturer ID
FT
Serial number prefix
Product Description
UM245R USB <->
Serial
Max Bus Power Current
100mA
Power Source
Bus Powered
Device Type
FT245R
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)
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 FIFO data bus and
control I/O pins.
Load VCP Driver
Enabled
Makes the device load the VCP driver interface for the
device.
Table 9.1 Default Internal EEPROM Configuration
The internal EEPROM in the FT245R can be programmed over USB using the utility program FT_PROG.
FT_PROG can be downloaded from the 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 ([e-mail]) for this service.