N79E815 판매점 - 8-BIT MICROCONTROLLER

N79E815A/814A/8132A 中文规格书

1 概述..........................................................................................................................................................6

2 特性..........................................................................................................................................................7

3 器件信息列表 ...........................................................................................................................................9

4 结构框图 ............................................................................................................................................... 10

5 管脚配置 ............................................................................................................................................... 11

6 内存结构 ............................................................................................................................................... 19

6.1 APROM 闪存存储器 ................................................................................................................. 20

6.2 LDROM 闪存存储器 ................................................................................................................. 20

6.3 配置位....................................................................................................................................... 20

6.4 片内非易失性数据存储器.......................................................................................................... 20

6.5 片内外部数据暂存器 XRAM...................................................................................................... 22

6.6 片内暂存器RAM 和特殊功能寄存器SFR ................................................................................. 22

6.7 工作寄存器 ............................................................................................................................... 23

6.8 可位寻址区 ............................................................................................................................... 24

6.9 堆栈 .......................................................................................................................................... 24

7 特殊功能寄存器(SFR) ........................................................................................................................... 25

8 通用80C51 系统控制............................................................................................................................. 30

9 通用IO (GPIO )结构及操作 ................................................................................................................... 33

9.1 准双向输出配置 ........................................................................................................................ 33

9.1.1 读-修改-写 .................................................................................................................... 34

9.2 开漏输出配置 ............................................................................................................................ 35

9.3 推挽输出配置 ............................................................................................................................ 35

9.4 输入配置 ................................................................................................................................... 37

10 定时器/计数器 ....................................................................................................................................... 40

10.1

10.2

定时器/计数器0 和 1 ................................................................................................................. 40

10.1.1 模式 0 (13位定时器) .................................................................................................. 43

10.1.2 模式1 (13位定时器) .................................................................................................... 44

10.1.3 模式2 (8位自动重载定时器) ....................................................................................... 44

10.1.4 模式3 (两组独立8位定时器) ....................................................................................... 45

定时器/计数器 2........................................................................................................................ 46

10.2.1 输入捕获模式 ............................................................................................................. 49

10.2.2 自动重加载模式 .......................................................................................................... 54

10.2.3 比较模式..................................................................................................................... 54

11 看门狗定时器(WDT).............................................................................................................................. 55

11.1 功能描述 ................................................................................................................................... 55

11.2 看门狗定时器复位的应用.......................................................................................................... 58

11.3 看门狗定时器中断应用 ............................................................................................................. 58

12 串口 (UART) ......................................................................................................................................... 60

12.1 模式0 ........................................................................................................................................ 62

12.2 模式1 ........................................................................................................................................ 64

12.3 模式2 ........................................................................................................................................ 66

12.4 模式 3 ....................................................................................................................................... 68

12.5 波特率....................................................................................................................................... 70

2016年2月20日

第2页总179页

版本 V3.00

N79E815 반도체 회로 부품 판매점

8-BIT MICROCONTROLLER

국내 전력반도체 판매점

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