3. Arsitektur Mikrokontroler /
Prosesor
• Based on the instruction set are CISC
(Complex Instruction Set Computer) and
RISC (Reduced Instruction Set Computer)
• Based on the memory architecture are
Harvard architecture and Von Neumann
architecture
4. CISC vs RISC
• CISC are hardware optimized, complex
instruction, greater machine cycle per
instruction e.g. 12 clocks, hardware circuitry
more complex, draws greater power
consumption
• RISC are software optimized (compiler),
simpler instruction, lower machine cycle per
instruction e.g. 1 clocks, simpler hardware
circuitry, draws lower power consumption
5. Arsitektur Von-Neumann
• Hanya mempunyai
satu blok memori dan
8-bit bus data
• Akibatnya program
dan data diproses
secara bergantian,
tidak bisa langsung
bersamaan
6. Arsitektur Harvard
• Memiliki dua bus data
yang berbeda
• Program dan data
dapat diproses
bersamaan
• Memudahkan pada
saat menghitung
keperluan memori
bagi suatu aplikasi
7. Harvard vs. Von Neumann
• Harvard micro
architecture : separate
between program and
data, faster execution,
e.g. Intel MCS-8051,
Atmel AVR, Microchip
PIC, Texas Instrument
DSP, ARM (Advanced
RISC Machine)
• Von Neumann : merge
between program
instruction and data,
simpler hardware
interface, e.g. Intel
IAPx-86 (80x86 up to
Pentium 4, Core)
