Ken Ouellette wrote:
> I burnt the chip and put it in the Easypic programmer.
> When the PIC16F648a is in the slot the led lights.When
> it is removed it is  off.

It should be dimly lit.  Actually it will flash fast enough to look solid
but dimly on.  If it's completely solid on (full brightness), then something
else is wrong.  You can check that it is actually flashing by scanning your
eyes accross the LED or moving the board.  The LED should be on 1/16 of the
time when the unit is idle.

> I get this error message:
>
> C:\embedinc\com>pic_prog
> No response was received from the programmer.  The
> programmer may be powered
> off or not connected to COM1.

This means the program couldn't communicate with the EasyProg.  Either it
wasn't connected to COM1, or there is something wrong with the UART
interface.  Check the voltages around the RS-232 converter chip.


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