This came from Freescale Tech Support:
;------------------------------------------------------------------------------
; Freescale Semiconductor INC.
; Communication Device Class(CDC) INF File
;------------------------------------------------------------------------------
[Version]
Signature="$Windows NT$"
Class=Ports
ClassGuid={4D36E978-E325-11CE-BFC1-08002BE10318}
Provider=%MANUFACTURER%
LayoutFile=layout.inf
;CatalogFile=%FILENAME%.cat
DriverVer= 4/24/2009,1.1.2600.0
[Manufacturer]
%MANUFACTURER%=DeviceList,NTamd64
[DestinationDirs]
DefaultDestDir=12
;------------------------------------------------------------------------------
; Windows 2000/XP/Vista32 Support
;------------------------------------------------------------------------------
[DriverInstall.nt]
include=mdmcpq.inf
CopyFiles=DriverCopyFiles.nt
AddReg=DriverInstall.nt.AddReg
[DriverCopyFiles.nt]
usbser.sys,,,0x20
[DriverInstall.nt.AddReg]
HKR,,DevLoader,,*ntkern
HKR,,NTMPDriver,,%DRIVERFILENAME%.sys
HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
[DriverInstall.nt.Services]
AddService=usbser, 0x00000002, DriverService.nt
[DriverService.nt]
DisplayName=%SERVICE%
ServiceType=1
StartType=3
ErrorControl=1
ServiceBinary=%12%\%DRIVERFILENAME%.sys
;------------------------------------------------------------------------------
; Windows Vista64 Support
;------------------------------------------------------------------------------
[DriverInstall.NTamd64]
include=mdmcpq.inf
CopyFiles=DriverCopyFiles.NTamd64
AddReg=DriverInstall.NTamd64.AddReg
[DriverCopyFiles.NTamd64]
%DRIVERFILENAME%.sys,,,0x20
[DriverInstall.NTamd64.AddReg]
HKR,,DevLoader,,*ntkern
HKR,,NTMPDriver,,%DRIVERFILENAME%.sys
HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
[DriverInstall.NTamd64.Services]
AddService=usbser, 0x00000002, DriverService.NTamd64
[DriverService.NTamd64]
DisplayName=%SERVICE%
ServiceType=1
StartType=3
ErrorControl=1
ServiceBinary=%12%\%DRIVERFILENAME%.sys
;------------------------------------------------------------------------------
; VID/PID Settings
;------------------------------------------------------------------------------
[SourceDisksFiles]
[SourceDisksNames]
[DeviceList]
%DESCRIPTION%=DriverInstall, USB\VID_C1CA&PID_0004
%DESCRIPTION%=DriverInstall, USB\VID_C1CA&PID_0005
[DeviceList.NTamd64]
%DESCRIPTION%=DriverInstall, USB\VID_C1CA&PID_0004
%DESCRIPTION%=DriverInstall, USB\VID_C1CA&PID_0005
;------------------------------------------------------------------------------
; String Definitions
;------------------------------------------------------------------------------
[Strings]
FILENAME="FSL_cdc"
DRIVERFILENAME ="usbser"
MANUFACTURER="Freescale Semiconductor"
INSTDISK="USB2UART"
DESCRIPTION="Freescale CDC Device"
SERVICE="Virtual Com Driver"
Works for Windows 7 64 bit
and works on the xp 32
BTW, although it is probably obvious, this worked great on win7 32-bit