Datasheet

Table Of Contents
Related Links
27. PAC - Peripheral Access Controller
15.6.2.6 Peripheral Clock Masking
It is possible to disable/enable the AHB or APB clock for a peripheral by writing the corresponding bit in
the Clock Mask registers (APBxMASK) to '0'/'1'. The default state of the peripheral clocks is shown here.
Table 15-1. Peripheral Clock Default State
CPU Clock Domain
Peripheral Clock Default State
CLK_AC_APB Disabled
CLK_ADC0_APB Enabled
CLK_ADC1_APB Enabled
CLK_AES_APB Disabled
CLK_BRIDGE_A_AHB Enabled
CLK_BRIDGE_B_AHB Enabled
CLK_BRIDGE_C_AHB Enabled
CLK_BRIDGE_D_AHB Enabled
CLK_CAN0_AHB Enabled
CLK_CAN1_AHB Enabled
CLK_CMCC_AHB Enabled
CLK_DMAC_AHB Enabled
CLK_DSU_AHB Enabled
CLK_EIC_APB Enabled
CLK_EVSYS_APB Disabled
CLK_FREQM_APB Disabled
CLK_GCLK_APB Enabled
CLK_GMAC_AHB Enabled
CLK_GMAC_APB Disabled
CLK_ICM_AHB Enabled
CLK_I2S_AHB Disabled
CLK_MCLK_APB Enabled
CLK_NVMCTRL_AHB Enabled
CLK_NVMCTRL_APB Enabled
CLK_OSCCTRL_APB Enabled
CLK_PAC_AHB Enabled
SAM D5x/E5x Family Data Sheet
MCLK – Main Clock
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 174