DS89C430, pointer to constants dont work.

Hi all, i've a really strange issue with a DALLAS DS89C430 full 8051 compatible chip. I've an app. with external program memory, and external sram (both 70ns acccess time, clock is 25mhz). When...
DS89C430, pointer to constants dont work.

Hi all, i've a really strange issue with a DALLAS DS89C430 full 8051 compatible chip. I've an app. with external program memory, and external sram (both 70ns acccess time, clock is 25mhz). When...
AT89C51RD2 XRAM access query

Hello, I am using AT89C51RD2 as it has 1792 XRAM. Now,I am using its default XRAM 768 bytes of XRAM. Now,I want its whole 1792 bytes of XRAM. I have initialized its AUXR with 0x11.But...
AT89C51RD2 XRAM access query

Hello, I am using AT89C51RD2 as it has 1792 XRAM. Now,I am using its default XRAM 768 bytes of XRAM. Now,I want its whole 1792 bytes of XRAM. I have initialized its AUXR with 0x11.But...
DIFFICULTY IN ACCESSING MCU XRAM

Hi! I'm using Philips P89v51RD2FBC microcontroller. I build my project using Keil version 2.0. After compilation, total memory utillization is: Data: 155.2, Xdata: 327, Const: 2062, Code: 23176 ...