© Copyright by Syed Ashad Mustufa Younus

© Copyright by Syed Ashad Mustufa Younus© Copyright by Syed Ashad Mustufa Younus

Microcontroller & ApplicationsWeek 3Week 3

Instructor:

Syed Ashad Mustufa Younus HP: +92 (0) 300 240 8943Email: sashad@iqra.edu.pk: s s d@ q .ed .p

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CISC Vs RISCCISC Vs RISC

• There are two school of thoughts on Instruction Set

design.

CISC C l i i– CISC – Complex instruction set computers

– RISC – Reduce instruction set computersp

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CISC Vs RISCCISC Vs RISC

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Advantages of CISCAdvantages of CISC

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Shortcomings of CISCShortcomings of CISC

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Why RISCWhy RISC

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Why RISCWhy RISC

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Advantages of RISCAdvantages of RISC

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Conclusion remarksConclusion remarks

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Case StudyMicrochip® PIC16C432Microchip® PIC16C432

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Case StudyCase Study

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Case StudyCase Study

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QuestionsQuestions

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MCS-51 SeriesMCS 51 Series

Part Number Code Memory Data Memory Timers

8031/32 Zero 128/256 2/3

8051/52 4K/8K 128/256 2/3

8751/52 4K/8K 128/256 2/3

8951/52 4K/8K 128/256 2/3

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MCS-51 SeriesMCS 51 Series

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MCS-51 Series

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MCS-51 Series

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MCS-51 Series

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Memory ManagementMemory Management

• Bank 0 to Bank 3 Registers

• Bit Addressable Registers

• General Purpose RegistersGeneral Purpose Registers

• Special Purpose Registers

• Additional 128 bytes RAM

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MCS-51 Series

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MCS-51 Series

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Special Purpose RegisterSpecial Purpose Register

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Power Down Mode & Idle ModePower Down Mode & Idle Mode

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Timer 0 Register

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Timer 1 RegisterTimer 1 Register

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Serial Communication Register

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Interrupt Enable RegisterInterrupt Enable Register

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Special Purpose RegisterSpecial Purpose Register

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Priority BitPriority Bit

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Flag BitsFlag Bits

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