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参数资料
| 型号： | UM245R |
| 厂商： | FTDI, Future Technology Devices International Ltd |
| 文件页数： | 24/27页 |
| 文件大小： | 0K |
| 描述： | MOD USB PARALLEL FIFO DEV FT245R |
| 产品培训模块： | USB Introduction |
| 产品目录绘图： | UM245R |
| 标准包装： | 5 |
| 主要目的： | 接口，USB 2.0 至并行 FIFO 电桥 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | FT245R |
| 主要属性： | 300kBps 到 1MBps USB 至并行 FIFO，通过 4 线接口连接 |
| 次要属性： | 免版税驱动器 |
| 已供物品： | 板 |
| 产品目录页面： | 633 (CN2011-ZH PDF) |
| 相关产品： | 768-1012-6-ND - IC USB TO PARALLEL FIFO 32-QFN 768-1011-6-ND - IC USB TO PARALLEL FIFO 28-SSOP 768-1012-1-ND - IC USB TO PARALLEL FIFO 32-QFN 768-1011-1-ND - IC USB TO PARALLEL FIFO 28-SSOP 768-1012-2-ND - IC USB TO PARALLEL FIFO 32-QFN 768-1011-2-ND - IC USB TO PARALLEL FIFO 28-SSOP |
| 其它名称： | 768-1020 |
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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 UM245 R are shown in Table 9.1.
Parameter
USB Vendor ID (VID)
USB Product UD (PID)
Serial Number Enabled?
Serial Number
Pull down I/O Pins in USB
Suspend
Manufacturer Name
Manufacturer ID
Product Description
Max Bus Power Current
Power Source
Device Type
USB Version
Remote Wake Up
High Current I/Os
Load VCP Driver
Value
0403h
6001h
Yes
See Note
Disabled
FTDI
FT
UM245R USB <->
Serial
100mA
Bus Powered
FT245R
0200
Enabled
Disabled
Enabled
Notes
FTDI default VID (hex)
FTDI default PID (hex)
A unique serial number is generated and programmed into
the EEPROM during final test of the UM245R module.
Enabling this option will make the device pull down on the
FIFO interface lines when the power is shut off (PWREN# is
high).
Serial number prefix
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).
Taking RI# low will wake up the USB host controller from
suspend.
Enables the high drive level on the FIFO data bus and
control I/O pins.
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 (sales1@ftdichip.com) for this service.
? Copyright 2009 Future Technology Devices International Ltd
23
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