Microprocessors and Microcontrollers

Data Types of 80286 Microprocessor

Data Types of 80286 Microprocessor: The Data Types of 80286 Microprocessor directly supports seven types of data such as integer, ordinal, pointer, string, ASCII, BCD, packed BCD, and floating-point types of data as given below: Integer It is a signed binary numeric value contained in an 8-bit byte or 16-bit word. All operations are performed […]

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Addressing Modes of 80286 Microprocessor

Addressing Modes of 80286 Microprocessor: The 80286 has eight addressing modes for instructions to access operands from memory. The eight different Addressing Modes of 80286 Microprocessor are as follows: Register operand mode Immediate operand Direct mode Register indirect mode Based mode Indexed mode Based indexed mode Based indexed mode with displacement The first two operating

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Pin Diagram of 80286 Microprocessor

Pin Diagram of 80286 Microprocessor: The Pin Diagram of 80286 Microprocessor is available in 68-pin PLCC (Plastic Leaded Chip Carrier), 68-pin Ceramic LCC (Lead Less Chip Carrier) and 68-pin PGA (Pin Grid Array) packages. In PLCC, conducting leads are provided for external connections but in LCC, only conducting pads are provided in place of each

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Architecture of 80286 Microprocessor

Architecture of 80286 Microprocessor: The Architecture of 80286 Microprocessor is an advanced, high-performance microprocessor with specially optimized capabilities for multi-user and multitasking systems. The 80286 has built-in memory protection that supports operating system and task isolation as well as program and data privacy. A 12 MHz 80286 provides about six times more than the 5

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Instruction Set of 80186

Instruction Set of 80186: Intel 80186 is the improved version of 8086, hence it has faster instruction execution time compared to the 8086 microprocessor. The 80186 processor is compatible with all instruction of 8086 microprocessors and a few new instructions are introduced with the 80186. The new instructions are ENTER/LEAVE which is used to replace

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Data Types of 80186

Data Types of 80186: Data Types of 80186 – The 80186 microprocessor can directly support the different data types such as integer, ordinal, pointer, string, ASCII and BCD. Integer Integer data is a signed binary numeric value represented in an 8-bit byte or a 16-bit word. During all arithmetic operations, assume that the data is

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Addressing Modes of 80186

Addressing Modes of 80186: The 80186 provides eight different types of addressing modes to specify operands. The operand (data) is used in the instruction to specify the addressing modes. The addressing mode byte is always the second byte of the instruction code. Usually, the two addressing modes of 80186 are provided for instructions that operate

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80186 Pin Diagram

80186 Pin Diagram: The 80186 is a 68-pin IC and it is available in Plastic Leaded Chip Carrier (PLCC), ceramic Leadless Chip Carrier (LCC) and Pin Grid Array (PGA) packages. Figure 11.14 shows the 80186 Pin Diagram in ceramic leadless chip carrier package. The pin functions are discussed elaborately as given below: VCC (Input) +5

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80186 Microprocessor Architecture

80186 Microprocessor Architecture: The Intel 80186 Microprocessor is a high-performance, highly integrated 16-bit microprocessors. Usually, the 80186 Microprocessor is intended for embedded systems, as microcontrollers with external memory. To reduce the number of chips in systems, it is required to include clock generator, interrupt controller, timers, wait state generator, DMA channels, and external chip select

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