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参数资料
| 型号： | MB89V623P-SH |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 10 MHz, MICROCONTROLLER, PDIP64 |
| 封装： | PLASTIC, SDIP-64 |
| 文件页数： | 15/61页 |
| 文件大小： | 934K |
| 代理商： | MB89V623P-SH |
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MB89620 Series
22
s CPU CORE
1. Memory Space
The microcontrollers of the MB89620 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 MB89620 series is structured as illustrated below.
Memory Space
*1: The ROM area is an external area depending on the mode.
The 89T623, MB89T625, MB89V623, and MB89V625 cannot use internal ROM.
*2: Since addresses 8000H to 8005H for the MB89P627 and MB89W627 comprise an option area, do not
0000H
0080H
0100H
0480H
8000H
MB89PV620
I/O
Register
External area
0000H
0080H
0100H
0180H
E000H
FFFFH
MB89623
MB89T623
MB89V623
I/O
0000H
0080H
0100H
0200H
C000H
FFFFH
MB89625
MB89P625
MB89W625
MB89T625
MB89V625
I/O
0000H
0080H
0100H
0200H
A000H
MB89626
I/O
0000H
0080H
0100H
0200H
MB89627
MB89P627
MB89W627
I/O
FFFFH
External area
0380H
0280H
0200H
8000H
8006H
External area
0480H
Register
*2
ROM*
8 KB
1
RAM
1 KB
RAM
256 B
RAM
512 B
RAM
768 B
RAM
1 KB
External ROM
32 KB
ROM*
16 KB
1
ROM*
24 KB
ROM
32 KB
8006H
use this area for the MB89PV620 and MB89627.
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