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The program in Listing 1 uses a pseudo-RETI instruction to provide a five-priority-level interrupt system for the 8051P microcontroller. The interrupt-priority order, from high to low, is INT0 IT0 ...
Nuvoton Technology has introduced the NuMicro MG51 series, an enhanced 1T-8051 microcontroller family for use in home appliances, LED dimming, motor control, and industrial automation applications.
Whenever the 8051's PC is between addresses 0x0000 and 0x7FFF, BS[2..0] are forced low and a common area for the program is accessed. In addition to holding the reset and interrupt vectors, this ...
Bielsko-Biala/Poland -- August 10, 2009 - The silicon Intellectual Property (IP) provider, Evatronix SA, today announced the full support of its R8051XC2 microcontroller IP, the world’s fastest 8051 ...
When used with IAR Embedded Workbench, it delivers 0.1236 DMIPS/MHz for 13.15 times the speed of the original C8051. Developers can also use ARM Keil μVision C51 or IAR Embedded Workbench for 8051.