电子设计资料_CP2102USB转串口DXP资料及其相关资料.zip资源-CSDN文库

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《电子设计：深入理解CP2102 USB转串口技术》在现代电子设计领域，USB转串口技术已经成为连接微控制器与个人计算机的重要桥梁，尤其在开发、调试和数据传输方面扮演着不可或缺的角色。其中，CP2102芯片因其出色的性能和广泛的应用，成为许多工程师首选的USB转串口解决方案。本篇文章将围绕“电子设计资料_CP2102 USB转串口DXP资料及其相关资料.zip”这一主题，详细探讨CP2102的相关知识点。我们要了解CP2102的基本特性。CP2102是由Silicon Labs（芯科实验室）推出的一款高性能USB到UART桥接器，它提供了USB2.0全速接口，并且支持串行接口速度高达3Mbps。该芯片具有低功耗、小体积、内置晶振等特点，使得它在嵌入式系统中易于集成。同时，CP2102还支持多种电压等级，如3.3V、5V，增强了其在不同系统的适应性。在实际应用中，USB转串口驱动程序是必不可少的。在“USB转串口驱动程序”文件中，通常包含了适用于Windows、Linux、Mac OS等操作系统下的驱动安装包。安装这些驱动后，用户的PC才能识别并正确通信CP2102设备，实现串口数据的透明传输。 “USB转串口使用手册.doc”文档详细介绍了CP2102的硬件连接、软件配置和使用方法。手册中通常会包含电路原理图、引脚功能说明、配置参数设置等，对于初学者和开发者来说，这是一份非常有价值的参考资料。 “USB转串口DXP资料”可能包含了Silicon Labs的开发工具DXP（Development eXtension Pack）的相关信息。DXP是为Silicon Labs的Energia IDE（基于Arduino的开发环境）提供的扩展，用于简化CP2102及其他芯科芯片的开发工作。通过DXP，用户可以轻松进行固件编程、调试以及配置，从而提高开发效率。 “USB转串口相关资料”这部分可能涵盖更广泛的领域，可能包括了关于如何在各种项目中应用CP2102的示例代码、常见问题解答、设计案例等。这些资料有助于工程师解决实际问题，提高项目成功率。 “USB转串口图片”则可能是实物照片、电路板布局图或者连接示意图，直观地展示CP2102在实际系统中的应用。这套资料集合为电子设计者提供了全面的CP2102 USB转串口技术指导，无论是初次接触还是资深开发者，都能从中获取所需的知识和技能，助力电子设计项目的顺利进行。通过深入学习和实践，我们可以更好地理解和运用CP2102，实现高效、可靠的串口通信。

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电子设计资料_CP2102 USB转串口DXP资料及其相关资料.zip （30个子文件）

USB转串口使用手册.doc 690KB

USB转串口驱动程序

slabvcd.vxd 13KB

slabcomm.vxd 24KB

slabunin2k.exe 47KB

setup.ini 380B

slabvcr.vxd 30KB

slabwdm.inf 5KB

slabunin.exe 28KB

slabbus.sys 65KB

slabbus.inf 8KB

slabcm95.sys 11KB

slabcmnt.sys 6KB

slabcr.sys 4KB

Release Notes.txt 2KB

slabbus.cat 9KB

slabw2k.inf 5KB

slabser.sys 98KB

slabvxd.inf 11KB

slabunin.u2k 101B

slabwh95.sys 7KB

PreInstaller.exe 36KB

slabser.cat 11KB

slabunin.u98 198B

slabwhnt.sys 6KB

USB转串口DXP资料

CP2102.PCBDOC 173KB

USB转串口相关资料

CP210x_Drivers.rar 172KB

串口调试助手.rar 116KB

CP2102.pdf 405KB

USB转串口图片

ALIM6458.JPG 31KB

标注.JPG 38KB

CP2102

SINGLE-CHIP USB TO UART BRIDGE

Single-Chip USB to UART Data Transfer

Integrated USB transceiver; no external resistors

required

- Integrated clock; no external crystal required

- Integrated 1024-Byte EEPROM for vendor ID, product

ID, serial number, power descriptor, release number,

and product description strings

- On-chip power-on reset circuit

- On-chip voltage regulator: 3.3 V output

- 100% pin and software compatible with CP2101

USB Function Controller

USB Specification 2.0 compliant; full-speed (12 Mbps)

- USB suspend states supported via SUSPEND pins

Asynchronous Serial Data BUS (UART)

All handshaking and modem interface signals

- Data formats supported:

- Data bits: 5, 6, 7, and 8

- Stop bits: 1, 1.5, and 2

- Parity: odd, even, mark, space, no parity

- Baud rates: 300 bps to 1 Mbits

- 576 Byte receive buffer; 640 byte transmit buffer

- Hardware or X-On/X-Off handshaking supported

- Event character support

- Line break transmission

Virtual COM Port Device Drivers

Works with Existing COM Port PC Applications

- Royalty-Free Distribution License

- Windows Vista/XP/Server 2003/2000/98SE

- Mac OS-X / OS-9

- Linux

USBXpress™ Direct Driver Support

Royalty-Free Distribution License

- Windows Vista/XP/Server 2003/2000

- Windows CE 5.0 and 4.2

Example Applications

Upgrade of RS-232 legacy devices to USB

- Cellular phone USB interface cable

- PDA USB interface cable

- USB to RS-232 serial adapter

Supply Voltage

Self-powered: 3.0 to 3.6 V

- USB bus powered: 4.0 to 5.25 V

Package

Lead free 28-pin QFN (5 x 5 mm)

Ordering Part Number

CP2102-GM

Temperature Range: –40 to +85 °C

Figure 1. Example System Diagram

CP2102

3.3 V

Voltage

Regulator

48 MHz

Oscillator

OUT

SUSPEND

REGIN

GND

RST

D+

D-

UART

DCD

CTS

RTS

RXD

TXD

DSR

DTR

External RS-232

transceiver or

UART circuitry

(to external circuitry

for USB suspend

states)

VBUS

D-

D+

GND

USB

CONNECTOR

VDD

VBUS

USB Function

Controller

USB

Transceiver

640B

Buffer

576B

Buffer

1024B

EEPROM

VDD

D1 D2 D3

CP2102

2Rev. 1.2

NOTES:

CP2102

Rev. 1.2 3

TABLE OF CONTENTS

Section Page

1. System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2. Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

3. Global DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

4. Pinout and Package Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

5. USB Function Controller and Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

6. Asynchronous Serial Data Bus (UART) Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

7. Internal EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

8. CP2101 Device Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

8.1. Virtual COM Port Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

8.2. USBXpress Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

8.3. Driver Customization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

8.4. Driver Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

9. Voltage Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

10. Relevant Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Document Change List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

CP2102

4Rev. 1.2

1. System Overview

The CP2102 is a highly-integrated USB-to-UART Bridge Controller providing a simple solution for updating RS-232

designs to USB using a minimum of components and PCB space. The CP2102 includes a USB 2.0 full-speed

function controller, USB transceiver, oscillator, EEPROM, and asynchronous serial data bus (UART) with full

modem control signals in a compact 5 x 5 mm QFN-28 package. No other external USB components are required.

The on-chip EEPROM may be used to customize the USB Vendor ID, Product ID, Product Description String,

Power Descriptor, Device Release Number, and Device Serial Number as desired for OEM applications. The

EEPROM is programmed on-board via the USB allowing the programming step to be easily integrated into the

product manufacturing and testing process.

Royalty-free Virtual COM Port (VCP) device drivers provided by Silicon Laboratories allow a CP2102-based

product to appear as a COM port to PC applications. The CP2102 UART interface implements all RS-232 signals,

including control and handshaking signals, so existing system firmware does not need to be modified. In many

existing RS-232 designs, all that is required to update the design from RS-232 to USB is to replace the RS-232

level-translator with the CP2102. Direct access driver support is available through the Silicon Laboratories

USBXpress driver set.

An evaluation kit for the CP2102 (Part Number: CP2102EK) is available. It includes a CP2102-based USB-to-

UART/RS-232 evaluation board, a complete set of VCP device drivers, USB and RS-232 cables, and full

documentation. Contact a Silicon Labs’ sales representatives or go to www.silabs.com to order the CP2102

Evaluation Kit.

2. Absolute Maximum Ratings

Table 1. Absolute Maximum Ratings

Parameter Conditions Min Typ Max Units

Ambient temperature under bias

–55 — 125 °C

Storage Temperature

–65 — 150 °C

Voltage on any I/O Pin or RST

with respect to GND

–0.3 — 5.8 V

Voltage on V

with respect to GND

–0.3 — 4.2 V

Maximum Total current through V

and GND

——500mA

Maximum output current sunk by RST

or any I/O pin

——100mA

Note: Stresses above those listed may cause permanent damage to the device. This is a stress rating only, and functional

operation of the devices at or exceeding the conditions in the operation listings of this specification is not implied.

Exposure to maximum rating conditions for extended periods may affect device reliability.

CP2102

Rev. 1.2 5

3. Global DC Electrical Characteristics

Table 2. Global DC Electrical Characteristics

= 3.0 to 3.6 V, –40 to +85 °C unless otherwise specified.

Parameter Conditions Min Typ Max Units

Supply Voltage

3.0 3.3 3.6 V

Supply Current

Normal Operation;

REG

Enabled

—2026mA

Supply Current

Suspended:

REG

Enabled

—80100µA

Supply Current - USB Pull-up

—200228µA

Specified Operating Temperature Range

–40 — +85 °C

Notes:

1. USB Pull-up Current should be added for total supply current.

2. The USB Pull-up supply current values are calculated values based on USB specifications.

Table 3. UART and Suspend I/O DC Electrical Characteristics

= 3.0 to 3.6 V, –40 to +85 °C unless otherwise specified.

Parameters Conditions Min Typ Max UNITS

Output High Voltage

=–3mA

=–10µA

=–10mA

–0.7

–0.1

—

–0.8

—

Output Low Voltage

=8.5mA

=10µA

=25mA

—

1.0

0.6

0.1

—

Input High Voltage

2.0 — — V

Input Low Voltage

——0.8V

Input Leakage Current

—2550µA

Table 4. Reset Electrical Characteristics

–40 to +85 °C unless otherwise specified.

Parameter Conditions Min Typ Max Units

RST

Input High Voltage 0.7 x V

——V

RST

Input Low Voltage — — 0.3 x V

Minimum RST

Low Time to Gen-

erate a System Reset

15 — — µs

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