目录 STM8S103x数据手册
参照2009年4月 STM8S103x 数据手册英文第2版
1 简介...........................................................................................................................4
2 详细描述 ...................................................................................................................5
3 模块框图 ...................................................................................................................6
4 产品概述 ...................................................................................................................7
4.1 STM8的中央处理单元 .........................................................................................................7
4.2 单线接口模块(SWIM)和调试模块(DM) ................................................................................7
4.3 中断控制器 ..........................................................................................................................8
4.4 Flash程序存储器和数据EEPROM存储器 ............................................................................8
4.5 时钟控制器 ..........................................................................................................................9
4.6 电源管理............................................................................................................................10
4.7 看门狗定时器 ....................................................................................................................10
4.8 自动唤醒计数器.................................................................................................................10
4.9 蜂鸣器 ...............................................................................................................................11
4.10 TIM1 — 16位高级控制定时器............................................................................................11
4.11 TIM2 — 16位通用定时器................................................................................................... 11
4.12 TIM4 — 8位基本定时器.....................................................................................................11
4.13 模数转换器(ADC1) ............................................................................................................11
4.14 通信接口............................................................................................................................12
4.14.1 UART1.......................................................................................................................12
4.14.2 SPI.............................................................................................................................12
4.14.3 I
2
C..............................................................................................................................13
5 引脚及其描述 ..........................................................................................................14
5.1 封装引脚............................................................................................................................14
5.1.1 复用功能重映射..........................................................................................................19
6 中断向量映像 ..........................................................................................................20
7 选项字节 .................................................................................................................21
8 存储器和寄存器映像................................................................................................24
8.1 存储器映像 ........................................................................................................................24
8.2 寄存器影像 ........................................................................................................................25
9 电气特性 .................................................................................................................32
9.1 参数条件............................................................................................................................32
9.1.1 最小和最大值 .............................................................................................................32
9.1.2 典型数值 ....................................................................................................................32
9.1.3 典型曲线 ....................................................................................................................32
9.1.4 负载电容 ....................................................................................................................32
9.1.5 引脚输入电压 .............................................................................................................32
9.2 绝对最大额定值.................................................................................................................33
9.3 工作条件............................................................................................................................34
9.3.1 VCAP外部电容...........................................................................................................35
9.3.2 供电电流特性 .............................................................................................................35
9.3.3 外部时钟源和时间特性 ...............................................................................................40
9.3.4 内部时钟源和时间特性 ...............................................................................................42
9.3.5 存储器特性.................................................................................................................44
9.3.6 I/O端口管脚特性 ........................................................................................................44
9.3.7 复位管脚特性 .............................................................................................................49
9.3.8 串行外设接口(SPI) .....................................................................................................51
9.3.9 I
2
C接口特性 ...............................................................................................................53
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