needs some clarification

Difference between axi_4 and axi4_alite?
needs some clarification

Difference between axi_4 and axi4_alite?
Ethernet Clarification

Thanks to all, As you all said above suggestion i moved to framing packet,,now i am on ARP sections going well... thanks once again to all...
AT89C51RE2 clarification

hello, According to the AT89C51RE2 datasheet, the uC have 2 UART. but in the uVision V3.33 debugger peripherals i dont see that i have 2 UART to work with. why ? thanks in advance nir
Simulator clarification

Hai When simulating, keil IDE Skips some bit manipulating instructions.I think there is some point in that which I cannot locate.please pont out Roy Thomas