參數(shù)資料
型號: M37517F8HP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 4 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù): 45/98頁
文件大小: 886K
代理商: M37517F8HP
Rev.1.01
Aug 02, 2004
page 5 of 96
7517 Group
MEMORY
Special Function Register (SFR) Area
The Special Function Register area in the zero page contains con-
trol registers such as I/O ports and timers.
RAM
RAM is used for data storage and for stack area of subroutine
calls and interrupts.
Flash Memory
The first 128 bytes and the last 2 bytes of flash memory are re-
served for device testing and the rest is user area for storing
programs.
Interrupt Vector Area
The interrupt vector area contains reset and interrupt vectors.
Zero Page
Access to this area with only 2 bytes is possible in the zero page
addressing mode.
Special Page
Access to this area with only 2 bytes is possible in the special
page addressing mode.
Fig. 4 Memory map diagram
010016
000016
004016
044016
FF0016
FFDC16
FFFE16
FFFF16
800016
808016
RAM
1024 bytes
Flash memory
32 kbytes
0FFD16
0FFF16
FFD416
SFR area
Not used
Interrupt vector area
Reserved memory area
(
128 bytes)
Zero page
Special page
Reserved memory area
SFR area
Flash memory ID code
Not used
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