单片机双机并联冗余控制系统

,,,cPU,CPU,2,,,PC,,,,,2.1,CPU1/0D/A,1CPUCPU2764EPROM6264RAM825382551/0FOD/AD/A{{{{{{{{{{{{{,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,-.....lllllll.-l,,,lt}}},,~---~~lllllllllllllll}}}lllllllllllllllllllllllllllllllllllllllllllllllllllllllll111{{{{{{{{{!!!77724444444444444444444444444444444444_111111111___111,2.2,,,CPUCPU,CPU,CPUD/AFO,,,174240,CPUACPUBrn5214DAC1210128255PAPB12FO19975,DAC12ro,8255PC1uoWl,8031WR,,FOWRAD,V/F,OIOkHz,FOCPU8253,,2.3CPU,,CPU,,,CPU,CPU,2CPUCPU74LS123,,8031INTI,,,,74123,,742CPU,CPU74240,CPU,74240,CPU74240,,,Reset,2,,...1111113,,,,:¹,;ºNOP,;»,,,,(3),CPuRAMD/AV/F,,CPURAM;D/AV/F,,4,,,19975