Posted: Mon Jan 23, 2006 8:48 am Post subject: DTMF signal
Hi,
I am using "DTMFOUT " command to generate DTMF signal for
Dialing thought my telephone line with telephone matching 600:600 ohms
Transformer.
Its working fine with 90S2313 and AT90S8515 but when I use
AT MEGA 8515 then DTMF signal generated is not perfect (very long) and other function of the circuits run slowly.
Please help me out because AT90S8515 is not manufature now & I have
no other option then using AT MEGA 8515
Check the fuse bits for the CPU-Clock.
Most new AVR are delivered with activated internal 1MHz clock.
thanks for your help
it working i clear all configuration & security bit of mega8515
i am using pony prog software for programming
is it ok to clear all bits ?
or i will face any other problem
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