• P89C66x PCA Watchdog Timer
    I'm using Philips P89C664 which includes watchdog timer on the PCA Module 4. P89C664 is running with 10.000MHz oscillator in 6 clock mode. I use µVision V2.40 with C51 V7.09. In Power-Up Initialization...
  • How do I erase a byte in Flash for P89C66x without Block Erase?
    Kindly help.. I am using the P89C662 and requires erasing of the Flash which I used a portion to store a lookup table. Th problem is I can only erase in Blocks of 8KBytes or 16KBytes using IAP....
  • IAP calls to read program boot vector (Phillips P89C66x chip)
    I'm using a Philips P89C662 that provides In-system Application Programming (IAP) with have an entry address at 0xFF00. I am trying to read proram boot vector information. I an not sure how to refer...
  • IAP calls to read program boot vector (Phillips P89C66x chip)
    I'm using a Philips P89C662 that provides In-system Application Programming (IAP) with have an entry address at 0xFF00. I am trying to read proram boot vector information. I an not sure how to refer...
  • BYTES
    hi In language C, how I can obtain each BYTE of a number floating point located in XDATA. Example: If number is -12.5 Address 0 1 2 3 Content 0xC1 0x48 0x00 0x00 How I can consent to each...