about dual serial ports of ds89c420

hello, i want use dual serial port of ds89c420. i how to initalize the serial ports and how ser the serial port 1 to the hig priority mode. in my application i want recive only from the serial1 and...
about dual serial ports of ds89c420

hello, i want use dual serial port of ds89c420. i how to initalize the serial ports and how ser the serial port 1 to the hig priority mode. in my application i want recive only from the serial1 and...
Dual use of timers with serial port

I'd like to find out if it is possible to use a timer for general purpose timing/counting and then configure it midway through the program for serial port baudrate setup,transmit data and then reconfigure...
Dual use of timers with serial port

I'd like to find out if it is possible to use a timer for general purpose timing/counting and then configure it midway through the program for serial port baudrate setup,transmit data and then reconfigure...
dual serial communcation

hi, in my project i have to use 2 uart in 8051 micrcontroller. i am using gsm and gps in my project.my problem is when i receiving gsm sms i have to send gps value to same number . the mobile number...