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參數(shù)資料
| 型號： | MB89W857C-SH |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, UVPROM, 10 MHz, MICROCONTROLLER, CDIP64 |
| 封裝： | SHRINK, CERAMIC, DIP-64 |
| 文件頁數(shù)： | 8/51頁 |
| 文件大?。?/td> | 798K |
| 代理商： | MB89W857C-SH |
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16
MB89860/850 Series
s CPU CORE
1. Memory Space
The microcontrollers of the MB89860/850 series offer a memory space of 64 Kbytes for storing all of I/O, data,
and program areas. The I/O area is located at the lowest address. The data area is provided immediately above
the I/O area. The data area can be divided into register, stack, and direct areas according to the application.
The program area is located at exactly the opposite end, that is, near the highest address. Provide the tables
of interrupt reset vectors and vector call instructions toward the highest address within the program area. The
memory space of the MB89860/850 series is structured as illustrated below.
Memory Space
ROM
FFFFH
0080H
0000H
I/O
MB89865
MB89855/T855*
C000H
0200H
ROM
I/O
RAM
512 B
Register
RAM
1 KB
Register
0280H
External area
0100H
FFFF H
0080H
0000H
0200H
0480H
0100H
8000H
MB89867/857
MB89W867/P867
MB89W857/P857
*1: The ROM area is an external area depending on the mode.
*2: In the MB89T855, an external ROM can be used.
16 KB
32 KB
2
*
1
*
1
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