Mac Os x and xcode versions for ipod 3.1.3

Thanks in advance .

I have an ipod 3.1.3开发者_StackOverflow中文版. If i want to develope an app for ipod3.1.3 then which os version of mac and xcode i need to install in my mac .If any one know please tell to me.

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You can develop the app using the current versions of OS X and Xcode, which includes the iOS 4 SDK. In the Build Rules for your app, you would set the Deployment Target to 3.1 or lower.