how to simulate double clock mode of P89V51RD2?

I defined my own sfr FST for P89V51RD2 micro in the header file. when I set the EDC bit, the keil debugger does not show any increase in throughput i.e. it treats it as a classic 12-clocker whereas it...
how to simulate double clock mode of P89V51RD2?

I defined my own sfr FST for P89V51RD2 micro in the header file. when I set the EDC bit, the keil debugger does not show any increase in throughput i.e. it treats it as a classic 12-clocker whereas it...
P89v51RD2 hardware condition to enter in ISP mode

for P89v51RD2 what is the hardware condition to enter in ISP mode?
unble to use spi mode in philips p89v51rd2

I am working on p89v51rd2 use spi mode and connect it with sd card... i had configured spi registers (SPCFG and SPCTL) correctly. my problem is i cant get output on port 1 pins (ss,mosi,miso,sck) ...
unble to use spi mode in philips p89v51rd2

I am working on p89v51rd2 use spi mode and connect it with sd card... i had configured spi registers (SPCFG and SPCTL) correctly. my problem is i cant get output on port 1 pins (ss,mosi,miso,sck) ...