With neat pin diagram explain the various signals of 8085. In this tutorial, we will discuss the architecture, pin diagram and other key concepts of microprocessors. In particular, the address lines 0 15 are multiplexed with data lines, address lines are multiplexed with status lines. The address and data bus are multiplexed in this processor which helps in providing more control signals. Microprocessor architecture, programming, and applications with the 8085 by ramesh s. The 20 lines of the address bus operate in multiplexed mode. Appreciate the detailed explanation of address and data bus. Learn about the pin diagram, description of 8085 microprocessor.
V cc hold hlda clkout reset in ready iom s 1 rd ale s 0 a 15 a 14 a a 12 a 11 a 10 a 9 a 8 wr x 1 x 2 reset out sod sid trap rst 7. Pin diagram of 8085 microprocessor is as given below. Learn about the interrupts,maskable and nonmaskable interrupts. The intel 8085 eightyeightyfive is an 8bit microprocessor produced by intel and introduced. Overview of 8085 microprocessor u00be 8085 architecture u2022 pin diagram u2022 functional block diagram m. Each of these five interrupts has a separate pin on the processor, a feature. Ad7ad0, it carries the least significant 8bit address and data bus. The pin configuration and functional pin diagram of. The pins of a 8085 microprocessor can be classified into seven groups.
Pin diagram of 8086 microprocessor is as given below. Microprocessor 8085 architecture free pdf file sharing. Microprocessor 8085 pin configuration the following image depicts the pin diagram of 8085 microprocessor. Also learn about the various signals used in 8085 microprocessor including instructions such as rim, sim, sid, sod, iom. A15a8, it carries the most significant 8bits of memoryio address. Demultiplexing address and data bus using ale address latch enable. Before knowing about the 8085 architecture in detail, lets us briefly discuss about the basic features of 8085 processor. The following image depicts the pin diagram of 8085 microprocessor. This article discusses what is a 8085 microprocessor, pin configuration of 8085, which includes address bus, interrupts, rd, wr, ready, hold, hlda, intr. Microprocessors 14 8085 is pronounced as eightyeightyfive microprocessor. Microprocessor 8085 pin configuration tutorialspoint. Write through and write back in cache difference between sram and dram memory organisation in computer architecture.
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