Specifications

V850E2/MN4 USB CDC (Communication Device Class) Driver
R01AN0010EJ0101 Rev.1.01 Page 109 of 117
Feb 01, 2012
7.2.4 Virtual COM Port Host Driver Settings
The following sort of customization is also possible in relation to the driver installed in section 6.2.2 Setting up the
Target Environment.
(1)
Changing the COM Port Number
When a USB device connection is recognized, the host automatically allocates a COM port number for that device.
However, this can be changed to be an arbitrary number. The procedure for changing the COM port number on the host
machine is shown below.
<1> Open the Windows “Device Manager” and expand the “Ports” tree in the device list.
Figure 7.2 Device Manager Display
<2> Select “Renesas Electronics V850E2/MN4 Virtual UART (COMn)” (where n is the number allocated by the
host) and display its properties.