Renesas CPU Board M3A-HS19 Uživatelský manuál stáhnout pdf (Strana 29)

SH7285/SH7286 USB Function Module

USB to Serial Conversion Application Note

3.4 Setting Environment

Use an RS-232C serial cable to connect the M3A-HS85 (SH7285 CPU board) to the computer (cross-connect). Then,

use a USB cable to connect the M3A-HS19 to the computer.

Figure 3.9 shows the Setting Environment.

Terminal 2

SH7285 CPU board

SH7285

Serial

communication

Terminal 1

ABC

USB

communication

USB to serial conversion

DEF

USB host computer

Serial device

Figure 3.9 Setting Environment

3.4.1 USB Host Computer Setting

After the sample program is written to the M3A-HS85 and is connected to the USB host computer with a USB cable

for the first time, the device driver needs to be installed on the USB host computer. Install the Windows standard USB

communication class device driver (usbser.sys) as the device driver.

Figure 3.10 through Figure 3.12 show the INF

files for Windows. These files are used for installation.

;--------------------------------------------------------

; Renesas Technology Corp

; USB Serial Ports Driver

; for Windows2000 and WindowsXP

; 29 September 2003

;--------------------------------------------------------

[Version]

LayoutFile=layout.inf

Signature="$CHICAGO$"

Class=Ports

ClassGuid={4D36E978-E325-11CE-BFC1-08002BE10318}

Provider=%MyCompany%

DriverVer=29/09/2003,1.0.0.0

[DestinationDirs]

DefaultDestDir=12

[Manufacturer]

%MyCompany%=Models

[ClassInstall]

AddReg=PortsClass.AddReg

Figure 3.10 INF File Example for Windows (1/3)

REJ05B1152-0100/Rev.1.00 May 2008 Page 29 of 35

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