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參數(shù)資料
| 型號： | TPFLXIC005 |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MICROCONTROLLER |
| 標準包裝： | 1 |
| 系列： | * |
p1 of 11
26-Aug-10
USB-232
HW143-19
www.firmwarefactory.com
USB-232TM
Driver-free USB to asynchronous serial UART interface
Summary
USB-232 is a single chip USB-to-asynchronous serial
interface.
It greatly simplifies the connection of
electronic devices to personal computer. In addition to
the standard handshaking lines, additional control lines
have custom-defined functionality.
USB-232 uses the Human Interface Device (HID) USB
profile.
It does not require USB drivers and so is
immediately plug-and-play with present and future
Windows, Linux and Mac operating systems.
USB-232 is firmware for the PIC18LF2450 and
PIC18F14K50 microcontrollers.
It is available pre-
programmed as a 28-pin DIL package (2450) and a 20
pin SSOP package (14K50).
Features
Single chip solution
True HID plug and play - No drivers required
No Vendor ID / Product ID registration required
USB 2.0 compatible
Baud rates selectable from 110 to 460K
No flow control, X-on / X-off, Hardware flow
control (CTS / RTS)
Half duplex RS232 possible without a level
converter
Seven or eight data bits
One or two stop bits
Even, odd, mark, space or no parity bit.
128-byte FIFO receive buffer
128-byte FIFO transmit buffer
11 invertible auxiliary I/O pins configurable as:
- CTS, RTS, DTR, DSR, DCD and RI
- USB / Self power sense
- Configured indication
- Suspend indication
- Host application ready indication
- All-Systems-Go indication
- Tx / Rx LED drivers
- RS485 Tx Enable
- Low power, Buffer empty indication
- Data send control
- Digital, analog, interrupt I/O
- Reset / Soft Detach
Product name, manufacturer name, serial
number, GUID, EEPROM and I/O settings
configurable from USB interface, minimizing
hardware development costs
Few external components required
Operating voltage 3.3V – 5V
122-byte EEPROM
USB
Status
Outputs
128-byte Rx buffer
USB
Engine
128-byte Tx buffer
UART
Engine
Control
Inputs
128-byte Tx buffer
Auxiliary I/O
Serial
Data
Applications
USB to RS232 / RS422 / RS485 converters
USB data transfer for consumer products
USB industrial control
Firmware Factory USB Product Family
USB-232 asynchronous serial interface
TEAleaf-USB security and authentication dongle
expandIO-USB I/O expander
USB-SPI synchronous serial interface
USB-I2C synchronous serial interface
USB-TakeOff managed power take-off, wakeup
and charge controller
USB-DAQ data logger
USB-FileSys USB embedded file system
Competitive positioning
The USB-232 strengths compared to competitors are:
Low price
No driver installation required
No virtual COM port used - software can locate
HID devices directly (sample code provided)
No Vendor ID / Product ID registration costs
USB-232’s main limitation is a maximum data transfer
rate 480K baud.
Additionally, it is not suitable for
retrofitting to COM port legacy applications
Electrical Specifications
Table 1. Electrical Specifications
Operating voltage (20 pin / 28 pin)
1.8V/2.7V–5.5V
Typical/max supply current, Vdd = 3.3V
TBD
Typical/max supply current, Vdd = 5.0
10mA / 21mA
Operating Temperature
-40°C to +85°C
Refer to base microcontroller data sheet for further information
Firmware Factory Ltd
2 Marshall St, 3
rd Floor
London W1F 9BB, UK
sales@firmwarefactory.com
support@firmwarefactory.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPFLXIC006 | 功能描述:插座和適配器 FlexiPnl USB-232-SS RoHS:否 制造商:Silicon Labs 產(chǎn)品:Adapter 用于:EM35x |
| TPFLXIC007 | 功能描述:插座和適配器 FlexiPnl USB-SPI-DIL RoHS:否 制造商:Silicon Labs 產(chǎn)品:Adapter 用于:EM35x |
| TPFLXIC008 | 功能描述:插座和適配器 FlexiPnl USB-SPI-SS RoHS:否 制造商:Silicon Labs 產(chǎn)品:Adapter 用于:EM35x |
| TPFLXIC009 | 功能描述:插座和適配器 FlexiPnl USB-I2C-DIL RoHS:否 制造商:Silicon Labs 產(chǎn)品:Adapter 用于:EM35x |
| TPFLXIC010 | 功能描述:插座和適配器 FlexiPnl USB-I2C-SS RoHS:否 制造商:Silicon Labs 產(chǎn)品:Adapter 用于:EM35x |
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