There are four APM units in on the PS AXI interconnect and are characterized in Table: APM Units. Each APM has one slot as listed in Table: APM Units, except the DDR_APM has six slots corresponding to the six DDR memory controller ports.
The following table shows which PS clock increments the Global Clock Count Register for each instance of the APM.
Unit Name |
GCCR Clock |
---|---|
DDR_APM |
DDR_REF_CLK |
CCI_APM |
DDR_REF_CLK |
OCM_APM |
CPU_R5_CLK |
LPD_APM |
LPD_SWITCH_CLK |