crystal frequency?

[Elimathew]

hey guyz, im using AT89s52 chip i know that it has internal oscillator of 1Mhz but if i have to set it to 11.059Mhz (i have 11.059Mhz crystal on my dev board).im using a PROG isp ver 1.72 as i am newbie i have no idea how to do it please guide me

 

[JoeyAVR]

Does it have an internal oscillator. This doesn't mention one:

http://www.atmel.com/dyn/resources/prod_documents/doc1919.pdf

 

[ghegde]

AT89S52 doesn't have internal oscillator..u have to connect the external oscillator of require frequency.