MC68HC05P18A Datasheet, PDF (25/130 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Technical Data — MC68HC05P18A
Section 2. Memory Map
2.1 Contents
2.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
2.3 User Mode Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
2.4 I/O and Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
2.5 RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
2.6 ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
2.2 Introduction
The MC68HC05P18A utilizes 14 address lines to access an internal
memory space covering 16 Kbytes. This memory space is divided into:
• Input/output (I/O)
• Random-access memory (RAM)
• Electrically erasable programmable read-only memory
(EEPROM)
• Read-only memory (ROM)
MC68HC05P18A
Memory Map
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Technical Data