Exti Interrupt Edge Flag Register - Extiedgeflgr - Holtek HT32F52220 User Manual

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F52220/HT32F52230
EXTI Interrupt Edge Flag Register – EXTIEDGEFLGR
This register is used to indicate if an EXTI edge has been detected.
Offset: 0x044
Reset value: 0x0000_0000
31
Type/Reset
23
Type/Reset
15
EXTI15EDF EXTI14EDF EXTI13EDF EXTI12EDF EXTI11EDF EXTI10EDF EXTI9EDF EXTI8EDF
Type/Reset WC 0 WC
7
EXTI7EDF EXTI6EDF EXTI5EDF EXTI4EDF EXTI3EDF EXTI2EDF EXTI1EDF EXTI0EDF
Type/Reset WC 0 WC
Bits Field
[15:0] EXTInEDF
Rev. 1.10
30 29 28
22 21 20
14 13 12
0 WC 0 WC
6 5 4
0 WC 0 WC
Descriptions
EXTIn Both Edge Detection Flag (n = 0 ~ 15)
0: No edge is detected
1: Positive or negative edge is detected
This bit is set by the hardware circuitry when a positive or negative edge is detected
on the corresponding EXTI line. Software should write 1 to clear it.
146 of 366
27 26
Reserved
19 18
Reserved
11 10
0 WC 0 WC 0 WC
3 2
0 WC 0 WC 0 WC
25 24
17 16
9 8
0 WC 0
1 0
0 WC 0
November 09, 2018