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产品型号CP2101-GM的概述

芯片CP2101-GM的概述 CP2101-GM 是一款由 Silicon Labs（硅实验室）公司生产的 USB至串行桥接器。这款芯片可以在USB以及UART（通用异步收发传输器）之间提供高速稳定的通信，广泛应用于各种设备的串行通信中。CP2101-GM 支持多种波特率，并提供多种配置选项，适合多种行业的需求，如工业控制、消费电子、汽车电子等。该芯片的设计目标是简化串行通信的实现过程，以便开发者能够更快、更高效地将其嵌入到各种产品中。通过使用 CP2101-GM，开发者能够轻松实现 USB 接口进而与多种设备进行数据交互。芯片CP2101-GM的详细参数 CP2101-GM的参数规格涵盖了其功能、性能和电气特性，以下是这款芯片的一些主要参数： - 通信协议: USB 2.0 兼容。 - UART 端口速率: 300 bps 至 1 Mbps 可调。 - 工作电压: 3.0V 至 ...

产品型号CP2101-GM的Datasheet PDF文件预览

CP2101

Single-Chip USB to UART Bridge

Single-Chip USB to UART Data Transfer

Virtual COM Port Device Drivers

Integrated USB Transceiver; No External Resistors

Required

Integrated Clock; No External Crystal Required

Integrated 512-Byte EEPROM for Vendor ID,

Product ID, Serial Number, Power Descriptor,

Release Number and Product Description Strings

Works with Existing COM Port PC Applications

Royalty-Free Distribution License

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

Mac OS-X/OS-9

Linux 2.40

On-Chip Power-On Reset Circuit

On-Chip Voltage Regulator: 3.3 V Output

USBXpress™ Direct Driver Support

Royalty-Free Distribution License

Windows Vista/XP/Server 2003/2000

Windows CE 6.0, 5.0, and 4.2

USB Function Controller

USB Specification 2.0 Compliant; Full Speed

(12 Mbps)

USB suspend states supported via SUSPEND pins

Example Applications

Upgrade of RS-232 Legacy Devices to USB

Cellular Phone USB Interface Cable

PDA USB Interface Cable

Asynchronous Serial Data BUS (UART)

All Handshaking and Modem Interface Signals

Data Formats Supported:

USB to RS-232 Serial Adapter

•

Data Bits: 8

Stop Bits: 1

Parity: Odd, Even, No Parity

Supply Voltage

Self-powered: 3.0 to 3.6 V

USB Bus Powered: 4.0 to 5.25 V

Baud Rates: 300 bps to 921.6 kbps

512 Byte Receive Buffer; 512 Byte Transmit Buffer

Hardware or X-On / X-Off Handshaking Supported

Event Character Support

Package

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

Ordering Part Number

CP2101-GM

Temperature Range: -40 to +85 °C

Note: The CP2101 is a mature product and is not rec-

ommended for new designs. The CP2102 is a pin and

software compatible alternative for the CP2101. The

CP2102 is recommended for all new designs.

VDD

CP2101

Voltage

Regulator

OUT

REGIN

RST

(to external circuitry

for USB suspend

states)

SUSPEND

3.3 V

VDD

GND

48 MHz

Oscillator

DCD

DTR

DSR

TXD

RXD

RTS

CTS

External RS-232

transceiver or

UART circuitry

VBUS

USB

CONNECTOR

VBUS

UART

D–

D+

D–

D+

GND

USB

Transceiver

USB Function

Controller

512B 512B

TX RX

Buffer Buffer

512B

EEPROM

D1 D2 D3

Example System Diagram

Rev. 1.8 5/07

CP2101

Rev. 1.8

CP2101

Table of Contents

1. System Overview..................................................................................................... 5

2. Absolute Maximum Ratings ................................................................................... 5

Table 2.1. Absolute Maximum Ratings ................................................................ 5

3. Global DC Electrical Characteristics ..................................................................... 6

Table 3.1. Global DC Electrical Characteristics ................................................... 6

Table 3.2. UART and Suspend I/O DC Electrical Characteristics ........................ 6

Table 3.3. Reset Electrical Characteristics .......................................................... 6

4. Pinout and Package Definitions............................................................................. 7

Table 4.1. Pin Definitions for the CP2101............................................................ 7

Figure 4.1. QFN-28 Pinout Diagram (Top View) .................................................. 8

Figure 4.2. QFN-28 Package Drawing ................................................................. 9

Table 4.2. QFN-28 Package Dimensions............................................................. 9

Figure 4.3. Typical QFN-28 Landing Diagram ................................................... 10

Figure 4.4. Typical QFN-28 Solder Paste Recommendation ............................. 11

5. USB Function Controller and Transceiver.......................................................... 12

Figure 5.1. Typical Connection Diagram ............................................................ 12

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

Table 6.1. Data Formats and Baud Rates.......................................................... 13

7. Internal EEPROM................................................................................................... 13

Table 7.1. Default USB Configuration Data ....................................................... 13

8. CP2101 Device Drivers.......................................................................................... 14

8.1. Virtual COM Port Drivers .................................................................................. 14

8.2. USBXpress Drivers ........................................................................................... 14

8.3. Driver Customization ........................................................................................ 14

8.4. Driver Certification ............................................................................................ 14

9. Voltage Regulator.................................................................................................. 15

Table 9.1. Voltage Regulator Electrical Specifications ....................................... 15

Figure 9.1. Configuration 1: USB Bus-Powered ................................................. 15

Figure 9.2. Configuration 2: USB Self-Powered ................................................. 16

Figure 9.3. Configuration 3: USB Self-Powered, Regulator Bypassed .............. 16

10.Relevant Application Notes.................................................................................. 17

Document Change List ............................................................................................... 18

Contact Information .................................................................................................... 20

Rev. 1.8

CP2101

NOTES:

Rev. 1.8

CP2101

1. System Overview

The CP2101 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 CP2101 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 applica-

tions. The EEPROM is programmed on-board via the USB allowing the programming step to be easily inte-

grated into the product manufacturing and testing process.

Royalty-free Virtual COM Port (VCP) device drivers provided by Silicon Laboratories allow a CP2101-

based product to appear as a COM port to PC applications. The CP2101 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 CP2101. Direct access driver support is available

through the Silicon Laboratories USBXpress driver set.

The CP2101 is a mature product and is not recommended for new designs. The CP2102 is a pin and soft-

ware compatible alternative for the CP2101. The CP2102 is recommended for all new designs. Contact

Silicon Laboratories customer support at www.silabs.com for any questions about replacing the CP2101.

2. Absolute Maximum Ratings

Table 2.1. Absolute Maximum Ratings

Parameter

Ambient temperature under bias

Storage Temperature

Conditions

Min

–55

–65

–0.3

Typ

—

Max

125

150

5.8

Units

°C

—

°C

Voltage on any I/O Pin or RST with respect to

GND

—

Voltage on V with respect to GND

–0.3

—

4.2

500

100

Maximum Total current through V and GND

Maximum output current sunk by RST or any

I/O pin

—

Note: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.

This is a stress rating only and functional operation of the devices at those or any other conditions above those

indicated in the operation listings of this specification is not implied. Exposure to maximum rating conditions for

extended periods may affect device reliability.

Rev. 1.8

CP2101

3. Global DC Electrical Characteristics

Table 3.1. Global DC Electrical Characteristics

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

Parameter

Conditions

Min

3.0

—

Typ

3.3

Max

3.6

Units

Supply Voltage

Supply Current

Normal Operation;

Enable

REG

Suspended;

Enable

—

200

µA

Supply Current

REG

—

200

—

228

+85

µA

°C

Supply Current - USB Pull-up

Specified Operating Temperature Range

–40

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 3.2. UART and Suspend I/O DC Electrical Characteristics

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

Parameters

Conditions

Min

Typ

Max

Units

= –3 mA

= –10 µA

= –10 mA

– 0.7

– 0.1

—

– 0.8

—

Output High Voltage

= 8.5 mA

= 10 µA

= 25 mA

—

1.0

0.6

0.1

—

Output Low Voltage

Input High Voltage

Input Low Voltage

Input Leakage Current

2.0

—

0.8

—

µA

Table 3.3. Reset Electrical Characteristics

-40°C to +85°C unless otherwise specified.

Parameter

Conditions

Min

Typ

Max

Units

= 8.5 mA,

—

0.6

/RST Output Low Voltage

VDD = 3.0 V to 3.6 V

0.7 x VDD

—

0.3 x VDD

/RST Input High Voltage

/RST Input Low Voltage

/RST Input Pull-Up Current

—

/RST = 0.0 V

µA

µs

—

Minimum /RST Low Time to

Generate a System Reset

Rev. 1.8

CP2101

4. Pinout and Package Definitions

Table 4.1. Pin Definitions for the CP2101

Name

Pin #

Type

Description

Power In

3.0–3.6 V Power Supply Voltage Input.

Power Out

D I/O

3.3 V Voltage Regulator Output. See Section 9.

Ground

GND

RST

Device Reset. Open-drain output of internal POR or V monitor. An

external source can initiate a system reset by driving this pin low for at

least 15 µs.

REGIN

VBUS

Power In

D In

5 V Regulator Input. This pin is the input to the on-chip voltage regula-

tor.

VBUS Sense Input. This pin should be connected to the VBUS signal

of a USB network. A 5 V signal on this pin indicates a USB network

connection.

D+

D–

D I/O

D Out

D In

USB D+

USB D–

TXD

23*

24*

27*

28*

Asynchronous data output (UART Transmit)

Asynchronous data input (UART Receive)

Clear To Send control input (active low)

Ready to Send control output (active low)

Data Set Ready control input (active low)

Data Terminal Ready control output (active low)

Data Carrier Detect control input (active low)

Ring Indicator control input (active low)

RXD

CTS

D In

RTS

D Out

D in

DSR

DTR

DCD

D Out

D In

SUSPEND

12*

D Out

This pin is driven high when the CP2101 enters the USB suspend

state.

SUSPEND

11*

D Out

This pin is driven low when the CP2101 enters the USB suspend state.

10, 13–22

These pins should be left unconnected or tied to V

*Note: Pins can be left unconnected when not used.

Rev. 1.8

CP2101

GND

DCD

GND

D+

CP2101

Top View

D-

V_DD

GND

REGIN

Figure 4.1. QFN-28 Pinout Diagram (Top View)

Rev. 1.8

CP2101

Figure 4.2. QFN-28 Package Drawing

Table 4.2. QFN-28 Package Dimensions

Dimension

Min

Nom

Max

Dimension

Min

Nom

Max

0.80

0.03

0.90

0.07

0.25 REF

1.00

0.11

aaa

2.90

0.45

3.15

0.55

0.15

3.35

0.65

0.18

2.90

0.25

5.00 BSC.

0.30

3.35

bbb

ddd

0.10

0.05

3.15

0.50 BSC.

eee

0.08

0.435

5.00 BSC.

0.18

Notes:

1. All dimensions shown are in millimeters (mm) unless otherwise noted.

2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.

3. This drawing conforms to JEDEC outline MO-243, variation VHHD except for custom features D2, E2, L, Z, and

Y which are toleranced per supplier designation.

4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020C specification for Small Body

Components.

Rev. 1.8

CP2101

Figure 4.3. Typical QFN-28 Landing Diagram

Rev. 1.8

CP2101

Figure 4.4. Typical QFN-28 Solder Paste Recommendation

Rev. 1.8

CP2101

5. USB Function Controller and Transceiver

The Universal Serial Bus function controller in the CP2101 is a USB 2.0 compliant full-speed device with

integrated transceiver and on-chip matching and pull-up resistors. The USB function controller manages

all data transfers between the USB and the UART as well as command requests generated by the USB

host controller and commands for controlling the function of the UART.

The USB Suspend and Resume signals are supported for power management of both the CP2101 device

as well as external circuitry. The CP2101 will enter Suspend mode when Suspend signaling is detected

on the bus. On entering Suspend mode, the CP2101 asserts the SUSPEND and SUSPEND signals.

SUSPEND and SUSPEND are also asserted after a CP2101 reset until device configuration during USB

Enumeration is complete

The CP2101 exits the Suspend mode when any of the following occur: (1) Resume signaling is detected or

generated, (2) a USB Reset signal is detected, or (3) a device reset occurs. On exit of Suspend mode, the

SUSPEND and SUSPEND signals are de-asserted.

Both SUSPEND and SUSPEND temporarily float high during a CP2101 reset. If this behavior is undesir-

able, a strong pulldown (10 kΩ) can be used to ensure SUSPEND remains low during reset. See

Figure 5.1 for other recommended options.

VDD

4.7 kΩ

CP2101

Option 1

REGIN

1 µF

RST

(to external circuitry

for USB suspend

states)

SUSPEND

VDD

GND

10 kΩ

4.7 µF

0.1 µF

Option 4

Option 2

DCD

DTR

DSR

TXD

RXD

RTS

CTS

External RS-232

transceiver or

UART circuitry

VBUS

USB

CONNECTOR

VBUS

D-

D+

GND

D+

Option 3

Option 1: A 4.7 kΩ pull-up resistor can be added to increase noise immunity.

Option 2: A 4.7 µF capacitor can be added if powering other devices from the on-chip regulator.

Option 3: Avalanche transient voltage suppression diodes can be added for ESD protection.

Option 3: Use Littlefuse p/n SP0503BAHT or equivalent.

Option 4: 10 kΩ resistor to ground to hold SUSPEND low on initial power on or device reset.

Figure 5.1. Typical Connection Diagram

6. Asynchronous Serial Data Bus (UART) Interface

The CP2101 UART interface consists of the TX (transmit) and RX (receive) data signals as well as the

RTS, CTS, DSR, DTR, DCD and RI control signals. The UART supports RTS/CTS, DSR/DTR and X-On/X-

Off handshaking.

Rev. 1.8

CP2101

The UART is programmable to support a variety of data formats and baud rates. If the Virtual COM Port

drivers are used, the data format and baud rate are set during COM port configuration on the PC. If the

USBXpress drivers are used, the CP2101 is configured through the USBXpress API. The data formats

and baud rates available are listed in Table 6.1.

Table 6.1. Data Formats and Baud Rates

Data Bits

Stop Bits

Parity Type

None, Even, Odd

300, 600, 1200, 1800, 2400, 4800, 7200, 9600, 14400, 19200, 28800,

38400, 56000, 57600, 115200, 128000, 230400, 460800, 921600

Baud Rates

7. Internal EEPROM

The CP2101 includes an internal EEPROM that may be used to customize the USB Vendor ID (VID), Prod-

uct ID (PID), Product Description String, Power Descriptor, Device Release Number and Device Serial

Number as desired for OEM applications. If the EEPROM is not programmed with OEM data, the default

configuration data shown in Table 7.1 is used.

While customization of the USB configuration data is optional, it is recommended to customize the VID/PID

combination. A unique VID/PID combination will prevent the driver from conflicting with any other USB

driver. A vendor ID can be obtained from www.usb.org or Silicon Laboratories can provide a free PID for

the OEM product that can be used with the Silicon Laboratories VID. It is also recommended to customize

the serial number if the OEM application is one in which it is possible for multiple CP2101-based devices to

be connected to the same PC.

The internal EEPROM is programmed via the USB. This allows the OEM's USB configuration data and

serial number to be written to the CP2101 on-board during the manufacturing and testing process. A

stand-alone utility for programming the internal EEPROM is available from Silicon Laboratories. A library of

routines provided in the form of a Windows DLL is also available. This library can be used to integrate the

EEPROM programming step into custom software used by the OEM to streamline testing and serial num-

ber management during manufacturing. The EEPROM has a typical endurance of 100,000 write cycles

with a data retention of 100 years.

Table 7.1. Default USB Configuration Data

Name

Value

10C4h

EA60h

80h

Vendor ID

Product ID

Power Descriptor (Attributes)

Power Descriptor (Max. Power) 32h

Release Number

0100h

Serial Number

0001 (63 characters maximum)

Product Description String

“CP2101 USB to UART Bridge Controller” (126 characters maximum)

Rev. 1.8

CP2101

8. CP2101 Device Drivers

There are two sets of device drivers available for the CP2101 devices: the Virtual COM Port (VCP) drivers

and the USBXpress Direct Access drivers. Only one set of drivers is necessary to interface with the

device.

The latest drivers are available at http://www.silabs.com/products/microcontroller/downloads.asp.

8.1. Virtual COM Port Drivers

The CP2101 Virtual COM Port (VCP) device drivers allow a CP2101-based device to appear to the PC's

application software as a COM port. Application software running on the PC accesses the CP2101-based

device as it would access a standard hardware COM port. However, actual data transfer between the PC

and the CP2101 device is performed over the USB interface. Therefore, existing COM port applications

may be used to transfer data via the USB to the CP2101-based device without modifying the application.

See Application Note AN197: Code for Example Code for Interfacing to a CP2102 using the Virtual COM

drivers.

8.2. USBXpress Drivers

The Silicon Laboratories USBXpress drivers provide an alternate solution for interfacing with CP2102

devices. No Serial Port protocol expertise is required. Instead, a simple, high-level application program

interface (API) is used to provide simpler CP201x connectivity and functionality. The USBXpress for

CP210x Development Kit includes Windows device drivers, Windows device driver installer and uninstall-

ers, and a host interface function library (host API) provided in the form of a Windows Dynamic Link

Library (DLL). The USBXpress driver set is recommended for new products that also include new PC soft-

ware. The USBXpress interface is described in Application Note “AN169: USBXpress Programmer's

Guide.”

8.3. Driver Customization

In addition to customizing the device as described in Section 7. "Internal EEPROM" on page 13, the driv-

ers and the drivers installation package can be also be customized. See Application Note “AN220: USB

Driver Customization” for more information on generating customized VCP and USBXpress drivers.

8.4. Driver Certification

The default drivers that are shipped with the CP2101 are Microsoft WHQL (Windows Hardware Quality

Labs) certified. The certification means that the drivers have been tested by Microsoft and their latest

operating systems (XP and Vista) will allow the drivers to be installed without any warnings or errors.

The customized drivers that are generated using the AN220 software are not automatically certified. They

must go first through the Microsoft Driver Reseller Submission process. Contact Silicon Laboratories sup-

port for assistance with this process.

Rev. 1.8

CP2101

9. Voltage Regulator

The CP2101 includes an on-chip 5-to-3 V voltage regulator. This allows the CP2101 to be configured as

either a USB bus-powered device or a USB self-powered device. These configurations are shown in

Figure 9.1 and Figure 9.2. When enabled, the 3 V voltage regulator output appears on the

pin and can

be used to power external 3V devices. See Table 9.1 for the voltage regulator electrical characteristics.

Alternatively, if 3 V power is supplied to the

pin, the CP2101 can function as a USB self-powered

device with the voltage regulator disabled. For this configuration, it is recommended that the REGIN input

be tied to the 3 V net to disable the voltage regulator. This configuration is shown in Figure 9.3.

The USB max power and power attributes descriptor must match the device power usage and configura-

tion. See application note “AN144: CP2101 Customization Guide” for information on how to customize USB

descriptors for the CP2101.

Note: It is recommended that additional decoupling capacitance (e.g., 0.1 µF in parallel with 1.0 µF) be pro-

vided on the REGIN input.

Table 9.1. Voltage Regulator Electrical Specifications

–40 to +85 °C unless otherwise specified.

Parameter

Input Voltage Range

Output Voltage

Conditions

Min

4.0

3.0

1.0

—

Typ

—

Max Units

5.25

3.6

Output Current = 1 to 100 mA*

3.3

1.8

4.0

VBUS Detection Input Threshold

Bias Current

TBD

µA

*Note: The maximum regulator supply current is 100 mA.

CP2101

VBUS

VBUS Sense

From VBUS

REGIN

5 V In

Voltage Regulator (REG0)

3 V Out

V_DD

To 3 V

Power Net

Device

Power Net

Figure 9.1. Configuration 1: USB Bus-Powered

Rev. 1.8

CP2101

VBUS

From VBUS

VBUS Sense

From 5 V

Power Net

REGIN

5 V In

Voltage Regulator (REG0)

3 V Out

V_DD

To 3V

Device

Power Net

Figure 9.2. Configuration 2: USB Self-Powered

CP2101

VBUS

From VBUS

VBUS Sense

REGIN

5 V In

Voltage Regulator (REG0)

3 V Out

V_DD

From 3 V

Device

Power Net

Figure 9.3. Configuration 3: USB Self-Powered, Regulator Bypassed

Rev. 1.8

CP2101

10. Relevant Application Notes

The following Application Notes are applicable to the CP2101. The latest versions of these application

notes and their accompanying software are available at:

http://www.silabs.com/products/microcontroller/applications.asp.

AN144: CP210x Device Customization Guide. This application note describes how to use the AN144

software to configure the USB parameters on the CP2101 devices.

AN169: USBXpress Programmer's Guide. This application note describes the USBXpress API interface

and includes example code.

AN197: Serial Communications Guide for the CP210x. This application note describes how to use the

standard Windows COM port function to communicate with the CP2101 and includes example code.

AN220: CP210x USB Driver Customization. This application note describes how to use the AN220 soft-

ware to customize the VCP or USBXpress drivers with OEM information.

Rev. 1.8

CP2101

DOCUMENT CHANGE LIST

Revision 1.6 to Revision 1.7

Updated “Linux 2.40” bullet on page 1.

Changed MLP to QFN throughout.

Revision 1.7 to Revision 1.71

Removed “Windows CE” bullet from page 1.

Revision 1.71 to Revision 1.8

Added note on pages 1 and 4 regarding CP2101 not recommend for new designs.

Added additional supported operating systems on page 1.

Changed VDD conditions of Tables 3.1 and 3.2 from a minimum of 2.7 to 3.0 V.

Added values to Table 3.1, “Global DC Electrical Characteristics,” on page 6.

Updated package drawings in Figure 4.2, Figure 4.3, and Figure 4.4.

Changed Figure 4.4 title.

Removed tantalum requirement in Figure 5.1.

Updated Section 8. "CP2101 Device Drivers" on page 14 with USBXpress, customization, and

certification information.

Added Section 10. "Relevant Application Notes" on page 17.

Rev. 1.8

CP2101

NOTES:

Rev. 1.8

CP2101

CONTACT INFORMATION

Silicon Laboratories Inc.

400 West Cesar Chavez

Austin, TX 78701

Tel: 1+(512) 416-8500

Fax: 1+(512) 416-9669

Toll Free: 1+(877) 444-3032

Email: MCUtools@silabs.com

Internet: www.silabs.com

The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without

notice. Silicon Laboratories assumes no responsibility for errors and omissions, and disclaims responsibility for any consequences

resulting from the use of information included herein. Additionally, Silicon Laboratories assumes no responsibility for the function-

ing of undescribed features or parameters. Silicon Laboratories reserves the right to make changes without further notice. Silicon

Laboratories makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose,

nor does Silicon Laboratories assume any liability arising out of the application or use of any product or circuit, and specifically

disclaims any and all liability, including without limitation consequential or incidental damages. Silicon Laboratories products are

not designed, intended, or authorized for use in applications intended to support or sustain life, or for any other application in which

the failure of the Silicon Laboratories product could create a situation where personal injury or death may occur. Should Buyer

purchase or use Silicon Laboratories products for any such unintended or unauthorized application, Buyer shall indemnify and

hold Silicon Laboratories harmless against all claims and damages.

Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.

Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders

Rev. 1.8

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