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參數(shù)資料
| 型號： | USB2SERA10CFK |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 1/28頁 |
| 文件大小： | 0K |
| 描述： | USB TO SERIAL BRIDGE |
| 標(biāo)準(zhǔn)包裝： | 490 |
| 特點： | USB 至 UART |
| 通道數(shù)： | 1，UART |
| FIFO's： | 512 字節(jié) |
| 規(guī)程： | RS232，RS485，USB 2.0 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 帶自動流量控制功能： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-VQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 24-QFN 裸露焊盤（5x5） |
| 包裝： | 托盤 |
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Freescale Semiconductor
Data Sheet: Advance Information
Document Number: USB2SERDS
Rev. 2, 10/2012
Freescale Semiconductor, Inc., 2012. All rights reserved.
This document contains information on a product under development. Freescale reserves the
right to change or discontinue this product without notice.
USB2SERA10
24-pin QFN
Case 1897
Introduction
Freescale Ready Play Solutions integrate a certified function
to different applications allowing customers to add features
while reducing development cost. This simplifies design
cycles and enables scalability in applications and systems.
The USB2SER is a USB to UART bridge controller on a
5x5mm lead free QFN24. It is a simple low cost solution to
enable a USB for an embedded system with a UART port,
reducing external component counts. It supports USB 2.0 full-
speed and TTL RS232 or RS485 UART with options for
hardware flow control, Software Flow control (Xon-Xoff),
even or odd parity, and stop bits configuration.
Features
Single chip USB to UART Data Transfer (RS232 or
RS485)
USB specification 2.0 compliant, full speed
(12 Mbps)
User programmable custom baud rates from 300 bps
to 115200 bps
UART supports 8 bit data, 1 or 2 stop bits and odd,
even or no parity
RESUME signal to request a remote wake-up and
SUSPEND output to indicate that the device is in
suspended mode
Integrated 3.3 V regulator for a USB IO
Integrated Power-On-Reset circuit
Integrated 2 MHz – 48 Mhz clock multiplier PLL
Supports 2 MHz, 4 MHz, 6 MHz, 8 MHz, 12 MHz,
and 16 MHz external crystals with automatic crystal
frequency detection
USB bulk data transfer modes for data
communication
3 V to 5 V single supply operation
UHCI / OHCI / EHCI host controller compatible
Configurable USB VID, PID, and device
description strings in the internal flash
Configurable password to protect the device from
additional parameter modifications
Data formats supported 8 bits data, 1 and 2 stop bits
Parity odd, even, no parity
Hardware flow control (RTC / CTS) or Software
Xon/Xoff flow control
RS485_TXEN signal to support RS485
USB and UART activity pins to indicate
communication activity and fail sequences
Drivers support
The USB2SER can act as a CDC standard device that
eliminates the need for custom drivers for operation when the
flow-control is not needed (only an INF file is required).
For flow control support, COM emulator drivers are available
for:
Windows XP 32-bits and 64-bits versions
Windows Vista 32-bits and 64-bits versions
Windows 7 32-bits and 64-bits versions
Linux Kernel 2.6.34 and higher
Additionally to the drivers, a software configuration tool is
provided to customize the Product ID, Vendor ID, Product
strings, current consumption parameters and password
protection option, to prevent further modifications to the
device information. For driver installation and software go to:
The GUI and Driver Installer at www.freescale.com/usb2ser.
Package
USB2SER comes in a compact 5 x 5 mm Pb free RoHS
compliant QFN24.
USB Compliant Device
USB2SERA10 Data Sheet
USB to UART Application Specific
IC
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