參數(shù)資料
型號: MC68HSC05J1A
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數(shù): 27/128頁
文件大小: 1620K
代理商: MC68HSC05J1A
MC68HC05J1A — Rev. 3.0
Technical Data
MOTOROLA
Memory
27
Technical Data — MC68HC05J1A
Section 2. Memory
2.1 Contents
2.2
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
2.3
Memory Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
2.4
Input/Output (I/O) Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
2.5
Random-Access Memory (RAM) . . . . . . . . . . . . . . . . . . . . . . .28
2.6
Read-Only Memory (ROM). . . . . . . . . . . . . . . . . . . . . . . . . . . .28
2.2 Introduction
This section describes the organization of the on-chip memory.
2.3 Memory Map
The central processor unit (CPU) can address 2 Kbytes of memory
space as shown in
Figure 2-1
. 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.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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