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8051 Interrupts

8051 Interrupts: The 8051 Interrupts provides 5 interrupt sources. The 8052 provides 6. These are shown in Fig. 12.28. The external Interrupts INT0 and INT1 can each- be either level-activated…

Intel 8051 Architecture and 8031 Architecture

Intel 8051 Architecture and 8031 Architecture: Fig. 12.2 shows the Intel 8051 Architecture and 8031 Architecture. It consists of a Central Processing Unit, two kinds of memory (data RAM plus…

Motorola 68000 Articles: Motorola 68000 Features: The Motorola 68000 microprocessor is Motorola’s first 16-bit microprocessor. The 68000 is not program compatible with Motorola’s family of 8-bit microprocessors. For the designing…

Motorola 68000 Instruction Set

Motorola 68000 Instruction Set: There are actually 56 basic instructions provided in the Motorola 68000 Instruction Set. With 14 addressing modes, 56 instructions, and 5 data types, the 68000 includes…

Motorola 68000 Pins and Signals

Motorola 68000 Pins and Signals: Fig. 11.3 illustrates the Motorola 68000 Pins and Signals. Data Transfer Control and Address Lines: D0-D15 is the bi-directional 16-bit data bus. A1-A23 is the output…

Motorola 68000 Features

Motorola 68000 Features: The Motorola 68000 microprocessor is Motorola's first 16-bit microprocessor. The 68000 is not program compatible with Motorola's family of 8-bit microprocessors. For the designing of instruction set…

Memory Addressing Modes of 8086

Memory Addressing Modes of 8086: Most of the memory ICs are byte oriented i.e. each memory location can store only one byte of data. The 8086 is a 16-bit microprocessor,…

Minimum Mode Configuration of 8086

Minimum Mode Configuration of 8086: Pin definitions from 24 to 31 are different for minimum mode and maximum mode. By using these pins the 8086 itself generates all bus control…