Quote:
Originally Posted by sid6581
I haven't looked but that would be surprising. An ARM7E is not supposed to have MMU (?) Now, RK28xx that's an other story 
About the DSP, i still think it is ZSP500 with those G2 instructions for which we don't have the opcodes, vs ZSP400 for RK26xx.
I have RK2705 too, and 240 MHz for ARM7E and 176 MHz for ZSP500 is actually pretty impressive. |
240 MIPS versus 704 MIPS: why bother with the ARM :-)
I think I
found a few ZSP500 opcodes:
Code:
f801 0100 mov r1,0x100
5d01 st r0,r1
5521 ld r2,r1
ae01 add r0,1
f000 fffd br -3
0000 nop
This is a bit of silly code to illustrate some debugger commands. In C-like notation: r1 = 0x100; while (1) { *r1 = r0; r2 = *r1; r0 += 1; }
The interesting thing is that mov and br seem to be 32-bit instructions here.