timer and counter in arduino mega 2560

please help i want to make a timer counter using 16 bit timer, with period of 1millisecond using arduino mega 2560 i dont know the register to use

priekiew: please help i want to make a timer counter using 16 bit timer, with period of 1millisecond using arduino mega 2560 i dont know the register to use

I would use the timer1 registers (plural).

http://www.atmel.com/Images/Atmel-2549-8-bit-AVR-Microcontroller-ATmega640-1280-1281-2560-2561_datasheet.pdf

Section 17 is the one you want to look at.

i want to make a timer counter using 16 bit timer, with period of 1millisecond using arduino mega 2560

Why?

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