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....
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....
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...
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...
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...