![]() The inclusion of such devices on the 8051 chip is shown in figure 1.4. The basic 8051 chip includes a number of peripheral I/O devices including two t Timer/Counters, 8-bit I/O ports, and a UART. Small fraction of a watt Tens of watts Pentium runs hot as power consumption increases with frequency. Personal ComputersAnd other high performance areas. clock effective clock rate is just 1MHz.Īddress bus 16 bits 32 bits 8051 can address 216, or 64Kbytes of memory.Pentium can address 232, or4 GigaBytes of memory.ĭata bus 8 bits 64 bits Pentium’s wide bus allows very fast data transfers.ĪLU width 8 bits 32 bits But - Pentium has multiple 32 bit ALUs – along with floating-point units.Īpplications Domestic appliances, Peripherals, automotive etc. (1GHz.) 8051 internally divides clock by 12 so for 12MHz. 8051įEATURE 8051 PENTIUM COMMENTClock Speed 12Mhz. Figure 1.3 shows a simplified block diagram of the Pentium processor and a simple comparison between the 8051 and the Pentium is given in the table below.įigure 1.3 Simplified diagram of a Pentium processorSimple comparison: Pentium vs. Where the 8051 microcontroller represents the low end of the market in terms of processing power, the Pentium processor is one of the most complex processors in the world. A quick comparison with the well known Pentium processorA modern PC is powered by a Pentium processor (or equivalent), which is really a very powerful microprocessor. ![]()
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