philips 89c669

we r using philips 89c669 ,in design we r using DS1232 to provide reset to 89C669. Reset doesnt come up most of the time. Is this problem of microcontroller?
philips 89c669

we r using philips 89c669 ,in design we r using DS1232 to provide reset to 89C669. Reset doesnt come up most of the time. Is this problem of microcontroller?
89c669 Watchdog Timer

Can anyone tell me how to enable watchdog timer in 89c669 microcontroller from NXP?
89c669 cpu availability

Does anyone know if the 89c669 CPU is readily available? I am having trouble locating parts thru distributors. According to them, it has not been classified as obsolete. It is a fairly new part, I think...
UART in 89C669

89C669 IC has dual UART . How do I refer the individual UARTs using a C Program...