i have bought tht ic and usb to serial converter ..done all the connection of programmer using max232 …but in flash magic when i start programming a message is being displayed which reads”reset the device into ISP mode now”..after that i have given reset high …psen high to low ..nothing happend ..i have checked my rs232 pins using hyperterminal ..everything is ok ..i think there is problem something in the settings of flash magic or keil ..can u suggest what might the problem be ?