MA82G5Cxx datasheet, PDF - EEWORLD Datasheet

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MA82G5Cxx: Description80c51 CPU; CategoryDevelopment board/suite/development tools; File Size4MB，305 Pages; ManufacturerMegawin; Websitehttp://www.megawin.com.tw/en-global

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MA82G5Cxx Overview

80c51 CPU

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8051-Based MCU

MA82G5Cxx

数据手册

版本:

0.24

This document contains information on a new product under development by Megawin. Megawin reserves the right to change or

discontinue this product without notice.



2015/07

版本

0.24

目½

特性

.................................................................................................................... 2

目½

.................................................................................................................... 5

概述

............................................................................................................. 11

方框图

.......................................................................................................... 12

特殊功½寄存器............................................................................................

3.1.

3.2.

3.3.

3.4.

4.1.

4.2.

4.3.

5.1.

5.2.

5.3.

6.1.

6.2.

6.3.

6.4.

6.4.1.

6.4.2.

6.4.3.

6.4.4.

6.4.5.

6.4.6.

6.4.7.

6.4.8.

SFR

图

(页 0~F) ........................................................................................................... 13

SFR

½分配(页

0~F) ..................................................................................................... 14

辅助

SFR

图

( P

页)

...................................................................................................... 18

辅助特殊功½寄存器½分配

页)

................................................................................. 19

封装指南

....................................................................................................................... 20

引脚描述

....................................................................................................................... 22

功½复用

....................................................................................................................... 26

CPU

寄存器

.................................................................................................................. 31

CPU

时序......................................................................................................................

CPU

寻址模式

.............................................................................................................. 33

片内程序存储器

Flash ................................................................................................... 34

片内数据存储器

RAM.................................................................................................... 35

片上扩展

RAM (XRAM) ................................................................................................. 38

片外扩展数据存储器访问

.............................................................................................. 39

½地址复用模式用于

MOVX

访问

½数据

.........................................................................41

½地址复用模式用于

MOVX

访问

½数据

.......................................................................42

½地址复用模式用于

MOVX

访问

½数据

.......................................................................43

½地址复用模式用于

MOVX

访问

½数据

.....................................................................44

无地址模式用于

MOVX

访问

½数据

...................................................................................45

无地址模式用于

MOVX

访问

½数据

.................................................................................46

ADDRO

模式用于

MOVX 16

地址访问

..................................................................................46

ADDRO

模式用于

MOVX 16

地址访问

..................................................................................46

引脚结构

...................................................................................................... 20

5. 8051 CPU

功½描述

..................................................................................... 31

存储器组织

................................................................................................... 34

6.5.

关于

C51

编译器的声明标识符

...................................................................................... 47

双数据指针寄存器(DPTR)

............................................................................ 48

系统时钟

...................................................................................................... 49

8.1.

8.2.

9.1.

9.2.

9.3.

9.4.

10.1.

10.2.

时钟结构

....................................................................................................................... 50

时钟寄存器

................................................................................................................... 51

WDT

结构

..................................................................................................................... 54

WDT

在掉电模式和空闲模式期间

.................................................................................. 54

WDT

寄存器

................................................................................................................. 55

WDT

硬件选项

.............................................................................................................. 57

RTC

结构

...................................................................................................................... 58

RTC

寄存器

.................................................................................................................. 59

看门狗定时器(WDT)

..................................................................................... 54

10.

实时时钟

(RTC)/系统时间 ............................................................................ 58

11.

系统复½

...................................................................................................... 61

MEGAWIN

MA82G5Cxx

数据手册

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