• make program with 89C52 mboard
    Hi i want to make program that show the date and clock. i use 89C52 mboard;3ff8h - 3ffff for make, hour/min/sec day/date/month/year the program is running for example: 14:02:32 06:28:10:2005 but...
  • atmel 89c52 UART sample program
    guys iam new to this area i have started working on this thing since last week i am testing UART program using 89c52 with baudrate 2.4k(0xf4). using 11.592 crystal and sample program is from atmel...
  • 89c52 configuration
    Hi Keil Fans, I have been using the Keil s/w for a short while now, and have code that works great on a 78c32 with external EPROM and RAM. I now need to port the code to an embedded 89c52, with no...
  • xdata in 89c52
    Hi Friends, I have a doubt that the xdata declaration is using the memory of 89c52 chip memory itself,or it needs any external memory .I used an array as xdata in 89c52 based project because i have...
  • 89c52 with DS1307
    My name is Rajagopal 70 years old, I knows basic electronics but no experience in current programming. I have purchased a few 7 segment 4 digit with AT89C52, RTC DS1307, 74LS595 (4nos), and ULN 2003...