上海芯圣电子股½有限公司
Shanghai Holychip Electronic Co.,Ltd.
HC89F3541/3531/3421
数据手册
32/28/24/20/16
引脚
8
½
Touch+ADC
型
FLASH
单片机
外设功½引脚全映射
HC89F3541/3531/3421
目½
1
产品简介.................................................................................................................................................................
6
1.1
1.2
1.3
1.4
1.5
2
功½特性.........................................................................................................................................................6
系统框图.........................................................................................................................................................9
引脚配½.......................................................................................................................................................10
引脚描述.......................................................................................................................................................13
外设功½引脚全映射模块
PTM..................................................................................................................25
CPU....................................................................................................................................................................... 27
2.1
2.2
CPU
特性......................................................................................................................................................
27
CPU
相关寄存器..........................................................................................................................................
27
3
存储器...................................................................................................................................................................
29
3.1
3.2
3.3
程序存储器(FLASH)..............................................................................................................................
29
数据存储器(RAM)..................................................................................................................................38
特殊功½寄存器(SFR)............................................................................................................................39
4
系统时钟...............................................................................................................................................................
43
4.1
4.2
4.3
4.4
系统时钟特性...............................................................................................................................................43
内部时钟.......................................................................................................................................................44
外部时钟.......................................................................................................................................................44
系统时钟相关寄存器...................................................................................................................................44
5
电源管理...............................................................................................................................................................
50
5.1
5.2
5.3
5.4
电源管理特性...............................................................................................................................................50
空闲模式.......................................................................................................................................................50
掉电模式.......................................................................................................................................................50
电源管理相关寄存器...................................................................................................................................51
6
复½.......................................................................................................................................................................
52
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
复½特性.......................................................................................................................................................52
上电复½.......................................................................................................................................................52
BOR
复½......................................................................................................................................................52
外部
RST
复½.............................................................................................................................................
52
外部端口½压检测复½...............................................................................................................................53
½件复½.......................................................................................................................................................53
看门狗(WDT)复½..................................................................................................................................53
堆栈溢出复½...............................................................................................................................................53
复½相关寄存器...........................................................................................................................................54
7
通用及复用
I/O.................................................................................................................................................... 57
7.1
7.2
7.3
通用及复用
I/O
特性...................................................................................................................................
57
I/O
模式........................................................................................................................................................
57
I/O
端口相关寄存器....................................................................................................................................
57
2
HC89F3541/3531/3421
7.4
8
外设功½引脚全映射控制...........................................................................................................................64
中断.......................................................................................................................................................................
66
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
中断特性.......................................................................................................................................................66
中断汇总.......................................................................................................................................................66
中断向量.......................................................................................................................................................67
中断优先级...................................................................................................................................................67
中断处理.......................................................................................................................................................67
中断响应时间...............................................................................................................................................68
外部中断.......................................................................................................................................................68
中断相关寄存器...........................................................................................................................................68
9
定时器/计数器......................................................................................................................................................
76
9.1
9.2
9.3
9.4
9.5
定时器/计数器特性......................................................................................................................................76
定时器/计数器
T
X
(
X
= 0,1)..........................................................................................................................76
定时器/计数器
3...........................................................................................................................................81
定时器/计数器
4...........................................................................................................................................83
定时器/计数器
5...........................................................................................................................................88
脉½调制
PWM................................................................................................................................................92
10.1
10.2
10.3
PWM
特性....................................................................................................................................................
92
PWM
输出模式............................................................................................................................................
92
PWM
相关寄存器........................................................................................................................................
93
单路
8
½
PWM
模块.....................................................................................................................................106
11.1
11.2
PWM
特性..................................................................................................................................................
106
PWM
模块相关寄存器..............................................................................................................................
106
看门狗定时器
WDT...................................................................................................................................... 108
12.1
12.2
WDT
特性...................................................................................................................................................108
WDT
相关寄存器.......................................................................................................................................108
通用异步收发器
UART.................................................................................................................................110
13.1
13.2
13.3
13.4
13.5
13.6
13.7
UART
特性.................................................................................................................................................
110
工½方式.....................................................................................................................................................110
波特率.........................................................................................................................................................116
多机通信.....................................................................................................................................................116
帧出错检测.................................................................................................................................................117
UART1
相关寄存器...................................................................................................................................
119
UART2........................................................................................................................................................ 122
串行外部设备接口
SPI..................................................................................................................................126
14.1
14.2
14.3
14.4
14.5
14.6
SPI
特性......................................................................................................................................................
126
SPI
信号描述..............................................................................................................................................
126
SPI
时钟速率..............................................................................................................................................
127
SPI
功½框图..............................................................................................................................................
127
SPI
工½模式..............................................................................................................................................
127
SPI
传送½式..............................................................................................................................................
129
10
11
12
13
14
3
HC89F3541/3531/3421
14.7 SPI
出错检测..............................................................................................................................................
130
14.8 SPI
中断......................................................................................................................................................
130
14.9 SPI
配½对照..............................................................................................................................................
131
14.10
SPI
相关寄存器......................................................................................................................................131
15
IIC
总线..............................................................................................................................................................
135
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
15.9
16
16.1
16.2
17
IIC
特性......................................................................................................................................................
135
IIC
总线工½原理......................................................................................................................................
135
总线上数据的有效性.................................................................................................................................136
总线上的信号.............................................................................................................................................136
总线上数据初始格式.................................................................................................................................137
IIC
总线寻址约定......................................................................................................................................
138
主机向从机读写
1
个字节数据的过程.....................................................................................................138
IIC
工½模式..............................................................................................................................................
140
IIC
总线相关寄存器..................................................................................................................................
145
模数½换
ADC............................................................................................................................................... 148
ADC
特性...................................................................................................................................................
148
ADC
相关寄存器.......................................................................................................................................
148
ADC
½换模式...................................................................................................................................................
152
17.1
17.2
概述.............................................................................................................................................................152
½换模式相关寄存器.................................................................................................................................152
电容触摸按键
CTK....................................................................................................................................... 155
18.1
18.2
18.3
CTK
特性....................................................................................................................................................155
CTK
框图....................................................................................................................................................155
CTK
相关寄存器........................................................................................................................................156
½电压检测
LVD............................................................................................................................................160
19.1
19.2
LVD
特性....................................................................................................................................................
160
LVD
相关寄存器........................................................................................................................................
160
½件
LCD....................................................................................................................................................... 162
20.1
20.2
20.3
20.4
LCD
特性....................................................................................................................................................162
½件流程说明.............................................................................................................................................162
LCD
帧.......................................................................................................................................................
163
LCD
相关寄存器........................................................................................................................................166
循环冗½校验
CRC....................................................................................................................................... 168
21.1
21.2
CRC
特性...................................................................................................................................................
168
CRC
相关寄存器........................................................................................................................................168
代码选项
OPTION........................................................................................................................................ 170
指令表...............................................................................................................................错误!未定义书签。
电气特性.........................................................................................................................................................176
24.1
极限参数.....................................................................................................................................................176
18
19
20
21
22
23
24
4
HC89F3541/3531/3421
24.2
24.3
24.4
24.5
24.6
24.7
24.8
24.9
24.10
24.11
24.12
25
25.1
25.2
25.3
26
26.1
26.2
26.3
26.4
26.5
26.6
27
DC
特性......................................................................................................................................................
176
AC
特性......................................................................................................................................................
179
ADC
特性...................................................................................................................................................
179
F
LASH
特性.................................................................................................................................................
180
BOR
检测电压特性....................................................................................................................................180
LVD/PLVD
检测电压特性.........................................................................................................................180
LCD
特性....................................................................................................................................................181
频率-校准值对应曲线...............................................................................................................................
181
频率-电压特性曲线...............................................................................................................................
182
频率-温度特性曲线...............................................................................................................................
182
其他电气特性.........................................................................................................................................183
开发工具.........................................................................................................................................................184
HC-LINK
仿真器.......................................................................................................................................
184
HC-PM51
烧½工具...................................................................................................................................
184
½件下½½.....................................................................................................................................................184
封装尺寸.........................................................................................................................................................185
LQFP32....................................................................................................................................................... 185
SOP28......................................................................................................................................................... 185
SOP24......................................................................................................................................................... 186
SOP20......................................................................................................................................................... 186
DIP20.......................................................................................................................................................... 187
SOP16......................................................................................................................................................... 188
修改记½.........................................................................................................................................................189
5