MC68HC908QY2 MOTOROLA [Motorola, Inc], MC68HC908QY2 Datasheet - Page 33

• Manufacturer Part Number: MC68HC908QY2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

2.1 Contents
2.2 Introduction
2.3 Unimplemented Memory Locations
MOTOROLA
Data Sheet — MC68HC908QY4
MC68HC908QY4•MC68HC908QT4•MC68HC908QY2•MC68HC908QT2•MC68HC908QY1•MC68HC908QT1
2.2
2.3
2.4
2.5
The central processor unit (CPU08) can address 64 Kbytes of memory
space. The memory map, shown in
Accessing a reserved location can have unpredictable effects on MCU
operation. In
unimplemented locations are shaded.
•
•
•
•
•
•
4096 bytes of user FLASH for MC68HC908QT4 and
MC68HC908QY4
1536 bytes of user FLASH for MC68HC908QT2,
MC68HC908QT1, MC68HC908QY2, and MC68HC908QY1
128 bytes of random access memory (RAM)
48 bytes of user-defined vectors, located in FLASH
416 bytes of monitor read-only memory (ROM)
1536 bytes of FLASH program and erase routines, located in
ROM
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Unimplemented Memory Locations . . . . . . . . . . . . . . . . . . . . . 33
Reserved Memory Locations . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Input/Output (I/O) Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Figure 2-1
Memory
and in register figures in this document,
Figure
Section 2. Memory
2-1, includes:
33