Baud rate for MCBX51 is getting doubled

HI All,

Can anyone help me in knowing what is the frequncy of operation of 8051 controller in a MCBx51 Board? Is it 12Mhz or 24 Mhz?

B'coz when I am configuring the timer value for 9600 baud, with 12 Mhz it can be recieved only at 19200 baud.

Thats why i think that the frequency of operation will be 24 Mhz.

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