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8051 LCD Interfacing code (In 4bit mode)

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Narendra Krushnavanshi

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I am interfacing 16x2 lcd with at89c51 (4-bit mode). but there are some problems, i dont know where, i need help, plz help see circuit image...if i did mistake in hardware connection, plz tell where i did mistake...PLZ frnds help 20130719_193618.jpg
 

I found few things

1. Contrast pin needs to be connected through 10K preset

2. In 4 bit mode you need to connect pin D4 through D7 of lcd to micro, But i cant see D4, D5 connected to micro. Instead D0 and D1 connected to micro

Google you can find a lot of circuits and example codes
 

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