MC908GR32AVFAE Datasheet, PDF (309/314 Pages) Freescale Semiconductor, Inc – Microcontrollers

Appendix B
MC68HC908GR32A
B.1 Introduction
The MC68HC908GR32A is a member of the low-cost, high-performance M68HC08 Family of 8-bit
microcontroller units (MCUs). All MCUs in the family use the enhanced M68HC08 central processor unit
(CPU08) and are available with a variety of modules, memory sizes and types, and package types.
The information contained in this document pertains to the MC68HC908GR32A with the exceptions
shown in this appendix.
B.2 Block Diagram
See Figure B-1.
B.3 Memory
The MC68HC908GR32A can address 32 Kbytes of memory space. The memory map, shown in
Figure B-2, includes:
• 32 Kbytes of user FLASH memory
• 1536 bytes of random-access memory (RAM)
• 52 bytes of user-defined vectors
MC68HC908GR60A • MC68HC908GR48A • MC68HC908GR32A Data Sheet, Rev. 5
Freescale Semiconductor
309