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参数资料
| 型号： | EVAL232R |
| 厂商： | FTDI, Future Technology Devices International Ltd |
| 文件页数： | 17/18页 |
| 文件大小： | 0K |
| 描述： | MOD USB RS232 DEV/EVAL FT232RL |
| 产品培训模块： | USB Introduction USB-UART Interface Solutions |
| 产品目录绘图： | EVAL 232R |
| 标准包装： | 5 |
| 主要目的： | 接口，USB 2.0 至 UART（RS232）电桥 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | FT232R |
| 主要属性： | 全速，300 ~ 3 MB 速率，安全识别号 |
| 次要属性： | 6 ~ 48MHz 时钟发生器输出，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： | 768-1008-6-ND - IC USB FS SERIAL UART 32-QFN 768-1007-6-ND - IC USB FS SERIAL UART 28-SSOP 768-1008-1-ND - IC USB FS SERIAL UART 32-QFN 768-1007-1-ND - IC USB FS SERIAL UART 28-SSOP 768-1008-2-ND - IC USB FS SERIAL UART 32-QFN 768-1007-2-ND - IC USB FS SERIAL UART 28-SSOP |
| 其它名称： | 768-1023 768-1094 768-1094-ND EVAL 232R |
Page 17
8. Internal EEPROM Con?guration
Following a power-on reset or a USB reset the FT232R will scan its internal EEPROM and read the USB con?guration
descriptors stored there. The default values programmed into the internal EEPROM in the FT232RL used on the
EVAL232R are shown in Table 18.
Table 18 - Default Internal EEPROM Con?guration
Parameter
USB Vendor ID (VID)
USB Product ID (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
CBUS0
CBUS1
CBUS2
CBUS3
CBUS4
Invert TXD
Invert RXD
Invert RTS#
Invert CTS#
Invert DTR#
Invert DSR#
Invert DCD#
Invert RI#
Value
0403h
6001h
Yes
See Note
Disabled
FTDI
FT
EVAL232 Board USB
<-> Serial
100mA
Bus Powered
FT232R
0200
Enabled
Disabled
Enabled
RXLED#
TXLED#
PWREN#
PWREN#
SLEEP#
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Notes
FTDI default VID (hex)
FTDI default PID (hex)
A unique serial number is generated and programmed into the EEPROM
during ?nal test of the EVAL232R module.
Enabling this option will make the device pull down on the UART interface
lines when the power is shut off (PWREN# is high)
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).
Taking RI# low will wake up the USB host controller from suspend.
Enables the high drive level on the UART and CBUS I/O pins
Makes the device load the VCP driver interface for the device.
Default con?guration of CBUS0 - Receive LED drive
Default con?guration of CBUS1 - Transmit LED drive
Default con?guration of CBUS2 - Power enable. Low after USB
enumeration, high during USB suspend.
Default con?guration of CBUS3 - Power enable. Low after USB
enumeration, high during USB suspend.
Default con?guration of CBUS4 - Low during USB suspend. Used to
power down the EVAL232R’s RS232 level converter IC.
Signal on this pin becomes TXD# if enabled.
Signal on this pin becomes RXD# if enabled.
Signal on this pin becomes RTS if enabled.
Signal on this pin becomes CTS if enabled.
Signal on this pin becomes DTR if enabled.
Signal on this pin becomes DSR if enabled.
Signal on this pin becomes DCD if enabled.
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.
EVAL232R FT232RL USB to RS232 Evaluation Module Datasheet Version 0.90
? Future Technology Devices International Ltd. 2005
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