Holtek HT32F52220 User Manual page 79

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F52220/HT32F52230
Bits Field
[2:0] CKOUTSRC CKOUT Clock Source Selection
Rev. 1.10
Descriptions
000: CK_REF is selected
where CK_REF = CK_PLL / (CKREFPRE+1) / 2
001: (HCLKC / 16) is selected
010: (CK_SYS / 16) is selected
011: (CK_HSE / 16) is selected
100: (CK_HSI / 16) is selected
101: Reserved
110: CK_LSI is selected
111: Reserved
Set and reset by software.
79 of 366 November 09, 2018