Holtek HT32F12345 User Manual page 6

32-Bit Arm ® Cortex ® -M3 MCU
HT32F12345
Alternate Function ......................................................................................................................... 161
Lock Mechanism .......................................................................................................................... 161
Register Map ..................................................................................................................... 161
Register Descriptions ......................................................................................................... 162
EXTI Source Selection Register 0
EXTI Source Selection Register 1 - ESSR1 ................................................................................ 163
GPIO x Configuration Low Register - GPxCFGLR, x = A, B, C, D ............................................... 164
GPIO x Configuration High Register - GPxCFGHR, x = A, B, C, D ............................................. 165
10 Nested Vectored Interrupt Controller (NVIC) .................................................. 166
Introduction ........................................................................................................................ 166
Features ............................................................................................................................. 169
Functional Descriptions ..................................................................................................... 169
SysTick Calibration ....................................................................................................................... 169
Register Map ..................................................................................................................... 169
11 External Interrupt / Event Controller (EXTI) .................................................... 171
Introduction ........................................................................................................................ 171
Features ............................................................................................................................. 171
Functional Descriptions ..................................................................................................... 172
Wakeup Event Management......................................................................................................... 172
External Interrupt / Event Line Mapping ....................................................................................... 173
Interrupt and De-bounce ............................................................................................................... 173
Register Map ..................................................................................................................... 174
Register Descriptions ......................................................................................................... 175
EXTI Interrupt Configuration Register n - EXTICFGRn, n = 0 ~ 15 ............................................. 175
EXTI Interrupt Control Register - EXTICR ................................................................................... 176
EXTI Interrupt Edge Flag Register - EXTIEDGEFLGR ................................................................ 176
EXTI Interrupt Edge Status Register - EXTIEDGESR ................................................................. 177
EXTI Interrupt Software Set Command Register - EXTISSCR .................................................... 177
EXTI Interrupt Wakeup Control Register - EXTIWAKUPCR ........................................................ 178
EXTI Interrupt Wakeup Polarity Register - EXTIWAKUPPOLR ................................................... 179
EXTI Interrupt Wakeup Flag Register - EXTIWAKUPFLG ........................................................... 179
12 Analog to Digital Converter (ADC) .................................................................. 180
Introduction ........................................................................................................................ 180
Features ............................................................................................................................. 181
Functional Descriptions ..................................................................................................... 182
ADC Clock Setup .......................................................................................................................... 182
Regular and High Priority Channel Selection ............................................................................... 182
Conversion Modes ........................................................................................................................ 182
Start Conversion on External Event .............................................................................................. 187
High Priority Group Management ................................................................................................. 188
Sampling Time Setting .................................................................................................................. 188
Rev. 1.10
- ESSR0 ................................................................................ 162
6 of 590 November 28, 2018