N79E8241 PDF даташит

Спецификация N79E8241 изготовлена «Li Chao» и имеет функцию, называемую «(N79E8221 - N79E8251) Economy 8 FLASH MCU».

Детали детали

Номер произв	N79E8241
Описание	(N79E8221 - N79E8251) Economy 8 FLASH MCU
Производители	Li Chao
логотип

70 Pages

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N79E8251/8241/8231/8221

集成I2C,UART,EEPROM,ADC,PWM,CMP

www.dycmcu.com

经济型8位FLASH单片机

N79A82X1规格书 Rev.1.20

选型指南

产品型号

N79A8251D20

N79A8251S20

N79A8241D20

N79A8241S20

N79A8231D20

N79A8231S20

N79A8231D16

N79A8231D14

N79A8221D20

N79A8221S20

存储器

NVM

FLASH

容量

I/O

(MIN/MAX)

16KB/256 256B 18/16

8KB/256 256B 18/16

4KB/128 128B 18/16

4KB/128 128B 14/12

4KB/128 128B 12/10

2KB/128 128B 18/16

接口

UART/I2C

ADC

4x10Bit

3x10Bit

1x10Bit

4x10Bit

比较

器

PWM

4CH

3CH

2CH

4CH

4x10Bit

封装

DIP-20

SOP-20

DIP-20

SOP-20

DIP-20

SOP-20

DIP-16

DIP-14

DIP-20

SOP-20

技术支持

立超电子科技有限公司

中国南京市和燕路251号金港大厦A幢2406室

ZIP:210028

Tel: 0086-25-83306839/83310926

Fax: 0086-25-83737785

Website:http://www.dycmcu.com/

Free Datasheet http://www.Datasheet4U.com

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N79E8251/8241/8231/8221

www.dycmcu.com

1 概述 ............................................................................................................................................. 5

2 特性 ............................................................................................................................................. 5

3 产品型号信息............................................................................................................................... 6

3.1 无铅(RoHS)产品型号信息表列........................................................................................ 6

4 管脚配置 ...................................................................................................................................... 7

5 管脚描述 ...................................................................................................................................... 8

6 功能描述 ...................................................................................................................................... 9

6.1 片内 Flash EPROM......................................................................................................... 9

6.2 I/O端口 ............................................................................................................................ 9

6.3 串行口(UART) ................................................................................................................. 9

6.4 定时器 ............................................................................................................................. 9

6.5 中断................................................................................................................................. 9

6.6 数据指针........................................................................................................................ 10

6.7 电源管理........................................................................................................................ 10

6.8 CPU结构 ....................................................................................................................... 10

6.8.1 ALU .................................................................................................................................10

6.8.2 累加器(ACC) ...................................................................................................................10

6.8.3 寄存器B...........................................................................................................................10

6.8.4 程序状态字寄存器(PSW).................................................................................................11

6.8.5 片内便签RAM..................................................................................................................11

6.8.6 堆栈指针..........................................................................................................................11

7 内存组织 .................................................................................................................................... 12

7.1 程序内存........................................................................................................................ 12

7.2 数据存储器 .................................................................................................................... 12

7.3 寄存器的映射 ................................................................................................................ 13

7.4 工作寄存器 .................................................................................................................... 16

7.5 位寻址区........................................................................................................................ 16

7.6 堆栈............................................................................................................................... 16

8 特殊功能寄存器 ......................................................................................................................... 17

9 电源管理 .................................................................................................................................... 18

9.1 空闲模式........................................................................................................................ 18

9.2 掉电模式........................................................................................................................ 18

10 复位条件 .................................................................................................................................... 19

10.1 外部复位........................................................................................................................ 19

10.2 上电复位 (POR) ............................................................................................................ 19

10.3 看门狗定时器复位 ......................................................................................................... 19

10.4 复位状态........................................................................................................................ 19

Rev. 1.20

2007.8.16

Free Datasheet http://www.Datasheet4U.com

No Preview Available !

N79E8251/8241/8231/8221

集成I2C,UART,EEPROM,ADC,PWM,CMP

www.dycmcu.com

经济型8位FLASH单片机

11 中断 ........................................................................................................................................... 22

11.1 中断源 ........................................................................................................................... 22

11.2 中断响应时间 ................................................................................................................ 25

11.3 中断输入........................................................................................................................ 25

12 可编程定时器/计数器................................................................................................................. 28

12.1 定时器/计数器0&1 ......................................................................................................... 28

12.2 时基选择........................................................................................................................ 29

12.3 模式0............................................................................................................................. 29

12.4 模式1............................................................................................................................. 30

12.5 模式2............................................................................................................................. 30

12.6 模式3............................................................................................................................. 32

13 NVM数据存储器 ........................................................................................................................ 33

14 看门狗定时器............................................................................................................................. 36

14.1 看门狗控制 .................................................................................................................... 37

14.2 时钟控制看门狗............................................................................................................. 37

15 串行口 (UART) .......................................................................................................................... 40

15.1 模式0............................................................................................................................. 40

15.2 模式1............................................................................................................................. 41

15.3 模式2............................................................................................................................. 42

15.4 模式 3............................................................................................................................ 44

15.5 帧错误检测 .................................................................................................................... 44

15.6 多机通信........................................................................................................................ 45

16 时控访问保护............................................................................................................................. 47

17 键盘中断 (KBI)........................................................................................................................... 49

18 模拟比较器 ................................................................................................................................ 50

19 I/O 端口配置 .............................................................................................................................. 51

19.1 准双向端口模式配置 ..................................................................................................... 51

19.2 开漏端口模式配置 ......................................................................................................... 52

19.3 推挽端口模式配置 ......................................................................................................... 53

19.4 输入配置........................................................................................................................ 53

20 振荡器........................................................................................................................................ 54

20.1 外部时钟输入选项 ......................................................................................................... 54

20.2 CPU时钟速度选择......................................................................................................... 54

21 电源监视功能............................................................................................................................. 54

21.1 上电检测........................................................................................................................ 54

21.2 欠压检测........................................................................................................................ 54

22 脉宽调制(PWM)......................................................................................................................... 56

23 模拟数字转换器 ......................................................................................................................... 62

23.1 ADC的分辨率和仿真电源.............................................................................................. 64

24 I2C串行控制 .............................................................................................................................. 68

Rev. 1.20

2007.8.16

Free Datasheet http://www.Datasheet4U.com

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Номер в каталоге	Описание	Производители
N79E8241	(N79E8221 - N79E8251) Economy 8 FLASH MCU	Li Chao
N79E824A	8-Bit Microcontroller	Nuvoton

Номер в каталоге	Описание	Производители
TL431	100 мА, регулируемый прецизионный шунтирующий регулятор	Unisonic Technologies
IRF840	8 А, 500 В, N-канальный МОП-транзистор	Vishay
LM317	Линейный стабилизатор напряжения, 1,5 А	STMicroelectronics

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