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N79E814 데이터시트 PDF : 부품 기능 및 핀배열

부품번호 N79E814
기능 8-BIT MICROCONTROLLER
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N79E814 데이터시트 및 N79E814 PDF

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N79E814 pdf, 반도체, 판매, 대치품
N79E815A/814A/8132A 中文规格书
20 在线编程 (ISP) .................................................................................................................................... 135
20.1 ISP引导程序 ........................................................................................................................... 135
20.2 ISP 命令行 .............................................................................................................................. 138
20.3 ISP 编程访问表....................................................................................................................... 139
20.4 ISP用户指南 ........................................................................................................................... 139
20.5 ISP 例程.................................................................................................................................. 140
21 电源管理 ............................................................................................................................................. 142
21.1 空闲模式 ................................................................................................................................. 142
21.2 掉电模式 ................................................................................................................................. 143
22 时钟系统 ............................................................................................................................................. 145
22.1 片内RC振荡器 ........................................................................................................................ 147
22.2 晶振 /谐振器 ........................................................................................................................... 147
23 电源监控 ............................................................................................................................................. 148
23.1 上电检测 ................................................................................................................................. 148
23.2 欠压检测 ................................................................................................................................. 148
24 复位条件 ............................................................................................................................................. 150
24.1
24.2
24.3
24.4
24.5
24.6
24.7
上电复位 ................................................................................................................................. 150
欠压复位 ................................................................................................................................. 151
复位引脚复位 .......................................................................................................................... 152
看门狗定时器复位................................................................................................................... 152
软件复位 ................................................................................................................................. 153
启动选项 ................................................................................................................................. 154
复位状态 ................................................................................................................................. 155
25 配置位(CONFIG)................................................................................................................................. 157
25.1 配置位0................................................................................................................................... 157
25.2 配置位1 (仅适用于N79E815A) ............................................................................................... 158
25.3 配置位2................................................................................................................................... 159
25.4 配置位3................................................................................................................................... 160
26 指令集 ................................................................................................................................................. 161
27 在电路编程 (ICP) ................................................................................................................................ 165
28 电气特性 ............................................................................................................................................. 166
28.1 最大绝对额定值 ...................................................................................................................... 166
28.2 直流电气特性 .......................................................................................................................... 166
28.3 交流电气特性 .......................................................................................................................... 169
28.3.1 10SAR-ADC标准 .................................................................................................. 169
28.3.2 4~24MHz XTAL 外部晶振标准................................................................................. 170
28.3.3 内部 22.1184MHz / 11.0592MHz RC晶振标准 ........................................................ 170
28.3.4 内部 10kHz RC晶振标准 ......................................................................................... 171
29 抗电测干扰典型应用电路 .................................................................................................................... 172
30 封装尺寸 ............................................................................................................................................. 173
30.1 28TSSOP 4.4X9.7mm .................................................................................................... 173
30.2 20TSSOP 4.4X6.5mm .................................................................................................... 174
30.3 28SOP-300mil .................................................................................................................. 175
2016220
4页 总179
版本 V3.00

4페이지

N79E814 전자부품, 판매, 대치품
N79E815A/814A/8132A 中文规格书
2 特性
内核
全静态8CMOS加速51(4T) CMOS微控制器
指令与MCS-51兼容
工作电压范围
VDD = 4.5V to 5.5V @ FOSC 最高至 24MHz
VDD = 3.0V to 5.5V @ 内部 RC 22.1184MHz
VDD = 2.4V to 5.5V @ FOSC = 12MHz 或内部 RC 11.0592MHz
工作温度范围
-40C ~85C
时钟源
高速外部振荡器:
- 最高24 MHz 晶振和振荡器 (由配置位CONFIG使能)
内部RC 振荡器: 22.1184MHz/11.0592MHz (由配置位CONFIG选择)
- VDD = 5V 温度 25C 条件下精度为 1%
- VDD = 2.7V ~ 5.5V 温度 25C 条件下精度为 3%
- VDD = 2.7V ~ 5.5V 温度 -10C~+70C 条件下精度为 5%
- VDD = 2.7V ~ 5.5V 温度 -40C ~ 85C 条件下精度为 8%
CPU时钟源由配置位CONFIG决定,仅在编程器烧写代码时更改
8-位可编程的CPU时钟除频器 (DIVM)
芯片内存
FLASH 擦写/编程次数 100,000
N79E815A :总共 16K-字节分别用于APROM程序闪存存储器 加 数据闪存存储器
(由配置位定义各自容量)
N79E814A8K字节APROM 程序闪存存储器 和 4K-字节数据闪存存储器
N79E8132A4K字节 APROM 程序闪存存储器 和 4K-字节数据闪存存储器
APROM闪存存储器/ LDROM闪存存储器 和 数据闪存存储器 都可加密保护
全部闪存存储器区域128字节为一页
256 字节片上直接/间接RAM
256 字节MOVX-RAM, 用指令MOVX 访问.
2K-字节LD 闪存存储器 用于ISP功能(LDROM)
片上闪存存储器可用以下方式编程
- 通用 H/W 烧录器模式
- 串行方式在电路编程模式 (ICP)
- 软件执行ISP (在线编程)
I/O端口
根据不同封装,最多 25I/O端口
P1.2P1.3外,所有引脚支持由软件配置的4种不同模式
2016220
7页 总179
版本 V3.00

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