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参数资料
| 型号： | UM232R |
| 厂商： | FTDI, Future Technology Devices International Ltd |
| 文件页数： | 24/28页 |
| 文件大小： | 0K |
| 描述： | MOD USB UART DEV FT232R |
| 产品培训模块： | USB Introduction USB-UART Interface Solutions |
| 产品目录绘图： | UM232R |
| 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： | 768-1019 |
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Document Reference No.: FT_000051
UM232R USB - Serial UART Development Module
Datasheet Version 1.1
Clearance No.: FTDI# 125
9
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 the
FT232RL used on the UM232R are shown in Table 8.1.
Parameter
USB Vendor ID (VID)
USB Product UD (PID)
Serial Number Enabled?
Serial Number
Pull down I/O Pins in USB
Suspend
Manufacturer Name
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
UM232R USB <->
Serial
100mA
Bus Powered
FT232R
0200
Enabled
Disabled
Enabled
TXLED#
RXLED#
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 final test of the UM232R 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 description 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 CVP driver interface for the
device.
Default configuration of CBUS0 – Transmit LED drive.
Default configuration of CBUS1 – Receive LED drive.
Default configuration of CBUS2 – Power enable. Low after
USB enumeration, high during USB suspend.
Default configuration of CBUS3 – Power enable. Low after
USB enumeration, high during USB suspend.
Default configurations of CBUS4 – Low during USB
suspend.
Signal on this pin becomes TXD# if enable.
Signal on this pin becomes RXD# if enable.
Signal on this pin becomes RTS if enable.
Signal on this pin becomes CTS if enable.
Signal on this pin becomes DTR if enable.
Signal on this pin becomes DSR if enable.
Signal on this pin becomes DCD if enable.
Signal on this pin becomes RI if enable.
Table 9.1 Default Internal EEPROM Configuration
? Copyright 2005-2011 Future Technology Devices International Ltd
23
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