HT46R005 参数 Datasheet PDF下载

HT48R005/HT46R005

系统控制寄存器

-

CTRL0 ， CTRL1 ............................................... .......... 19

唤醒功能寄存器

-

PAWK ................................................. ................... 19

上拉寄存器

-

PAPU ................................................. ................................. 19

系统振荡器概述............................................... ................................... 20

系统时钟配置............................................... ................................. 20

外部晶体/谐振器振荡器

-

HXT ................................................. ....... 20

外部RC振荡器

-

ERC ................................................. .............................. 20

内部RC振荡器

-

HIRC ................................................. .............................. 21

内部低速振荡器

-

LIRC ................................................. .................. 21

模式切换....................................................................................................21

静态电流注意事项............................................... ............................ 21

Wake-up...............................................................................................................22

看门狗定时器操作............................................... .................................... 23

复位功能...................................................................................................24

复位初始条件............................................... .......................................... 25

HT48R005............................................................................................................26

HT46R005............................................................................................................27

拉Resistors................................................................................................28

PA口唤醒....................................................................................................28

I / O端口控制寄存器............................................ ......................................... 29

共用引脚Functions............................................................................................29

I / O引脚结构............................................. .................................................. ..29

编程注意事项................................................ ............................... 29

配置定时/计数器输入时钟源..................................... 31

定时寄存器

-

TMR.........................................................................................31

定时器控制寄存器

-

TMR0C........................................................................31

定时器模式..........................................................................................................33

事件计数器模式............................................... .............................................. 33

脉冲宽度测量模式.............................................. ..................................... 33

预分频器..............................................................................................................34

PFD功能.......................................................................................................34

I / O Interfacing.......................................................................................................35

编程注意事项................................................ ............................... 35

定时程序示例............................................... ........................................ 36

1.00版

iii

2011年11月29日