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PDF MA806-32 Data sheet ( Hoja de datos )

Número de pieza MA806-32
Descripción 8051 core - Microcontroller
Fabricantes Megawin　
Logotipo Megawin Logotipo



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No Preview Available ! MA806-32 Hoja de datos, Descripción, Manual

8051 内核-单片机
MA805-32/MA806-32
说明书
代理商：北京菱电科技有限公司
Tel:010-82674978
版本: A1.0
This document contains information on a new product under development by Megawin. Megawin reserves the right to change or
discontinue this product without notice.
Megawin Technology Co., Ltd. 2005 All rights reserved.
2014/02 version A1.0

1 page




MA806-32 pdf
目录
功能 ................................................................................................................... 3
目录 ................................................................................................................... 5
1. 概述 ............................................................................................................ 9
2. 方框图....................................................................................................... 11
3. 特殊功能寄存器（SFRs） .......................................................................... 12
3.1. SFR 映射图 .......................................................................................................... 12
3.2. SFR 位分配 .......................................................................................................... 13
4. 引脚 .......................................................................................................... 16
4.1. 引脚结构.............................................................................................................. 16
4.2. 引脚定义.............................................................................................................. 18
4.3. 引脚功能重映像 ................................................................................................... 21
5. 8051 CPU 功能描述 ................................................................................... 22
5.1. CPU 寄存器 .......................................................................................................... 22
5.2. CPU 时序.............................................................................................................. 23
5.3. CPU 寻址方式 ...................................................................................................... 23
6. 存储器....................................................................................................... 25
6.1. 片上程序存储器 ................................................................................................... 25
6.2. 片上数据存储器 ................................................................................................... 26
6.3. 片上扩展 RAM (XRAM) ........................................................................................... 30
6.4. 外部数据存储器的存取 ........................................................................................ 31
6.4.1. 8 位 MOVX 复用模式 .....................................................................................................32
6.4.2. 16 位 MOVX 复用模式....................................................................................................33
6.4.3. MOVX 无地址状态模式...................................................................................................34
6.5. 关于 C51 编译器的声明标识符 ............................................................................. 35
7. 双数据指针寄存器 (DPTR)......................................................................... 36
8. I/O 口........................................................................................................ 36
8.1. I/O 口结构 ........................................................................................................... 37
8.1.1. 准双向口 .....................................................................................................................37
8.1.2. 推挽输出 .....................................................................................................................37
8.1.3. 仅输入模式 (高阻抗输入)...........................................................................................38
8.1.4. 开漏输出 .....................................................................................................................38
8.2. I/O 口寄存器 ...................................................................................................... 39
8.2.1. 端口 0 寄存器 ..............................................................................................................40
8.2.2. 端口 1 寄存器 ..............................................................................................................40
8.2.3. 端口 2 寄存器 ..............................................................................................................41
8.2.4. 端口 3 寄存器 ..............................................................................................................41
8.2.5. 端口 4 寄存器 ..............................................................................................................42
8.2.6. 端口 5 寄存器 ..............................................................................................................42
8.2.7. 端口 6 寄存器 ..............................................................................................................43
8.3. GPIO 示例代码 ................................................................................................... 44
9. 中断 .......................................................................................................... 46
MEGAWIN
MA805-32_MA806-32 说明书
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MA806-32 arduino
2. 方框图
MEGAWIN
MA805-32_MA806-32 说明书
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