Holtek HT32F52220 User Manual page 94

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F52220/HT32F52230
Bits Field
[3:2] EXTIPCLK
[1:0] AFIOPCLK
Rev. 1.10
Descriptions
EXTI Peripheral Clock Selection
00: PCLK = CK_AHB
01: PCLK = CK_AHB / 2
10: PCLK = CK_AHB / 4
11: PCLK = CK_AHB / 8
PCLK = Peripheral Clock; CK_AHB = AHB and CPU clock
AFIO Peripheral Clock Selection
00: PCLK = CK_AHB
01: PCLK = CK_AHB / 2
10: PCLK = CK_AHB / 4
11: PCLK = CK_AHB / 8
PCLK = Peripheral Clock; CK_AHB = AHB and CPU clock
94 of 366 November 09, 2018