MC68HC05K1 FREESCALE [Freescale Semiconductor, Inc], MC68HC05K1 Datasheet - Page 29
MC68HC05K1
Manufacturer Part Number
MC68HC05K1
Description
HCMOS Microcontroller Unit
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC05K1.pdf
(154 pages)
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2.1 Contents
2.2 Introduction
MC68HC05K0 • MC68HC05K1 — Rev. 2.0
Technical Data — MC68HC05K0 • MC68HC05K1
2.2
2.3
2.4
2.5
2.6
The central processor unit (CPU) can address 1 Kbyte of memory space.
The program counter typically advances one address at a time through
the memory, reading the program instructions and data. The read-only
memory (ROM) portion of memory holds the program instructions, fixed
data, user-defined vectors, and interrupt service routines. The
random-access memory (RAM) portion of memory holds variable data.
Input/output (I/O) registers are memory-mapped so that the CPU can
access their locations in the same way that it accesses all other memory
locations.
Figure 2-1
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Input/Output Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Personality EPROM (MC68HC05K1 Only). . . . . . . . . . . . . . . .34
is a memory map of the microcontroller unit (MCU).
Go to: www.freescale.com
Memory
Section 2. Memory
Technical Data
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