MC68HC705P9CDW FREESCALE [Freescale Semiconductor, Inc], MC68HC705P9CDW Datasheet - Page 44
MC68HC705P9CDW
Manufacturer Part Number
MC68HC705P9CDW
Description
Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC705P9CDW.pdf
(160 pages)
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Central Processor Unit (CPU)
4.2 Features
4.3 Introduction
4.4 CPU Control Unit
Technical Data
44
Features include:
The central processor unit (CPU) consists of a CPU control unit, an
arithmetic/logic unit (ALU), and five CPU registers. The CPU control unit
fetches and decodes instructions. The ALU executes the instructions.
The CPU registers contain data, addresses, and status bits that reflect
the results of CPU operations.
The CPU control unit fetches and decodes instructions during program
operation. The control unit selects the memory locations to read and
write and coordinates the timing of all CPU operations.
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Freescale Semiconductor, Inc.
For More Information On This Product,
2.1-MHz bus frequency
8-bit accumulator
8-bit index register
13-bit program counter
6-bit stack pointer
Condition code register with five status flags
62 instructions
Eight addressing modes
Power-saving stop, wait, and data-retention modes
Central Processor Unit (CPU)
Go to: www.freescale.com
MC68HC705P9 — Rev. 4.0
MOTOROLA
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