Cypress FM4 Series - Operations after Resets Are Cleared

CHAPTER 4: Resets
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 171
3.4 Operations after Resets are Cleared
PONR, LVDH, INITX, HWDGR, SWDGR, CSVR, FCSR, DSTR
Figure 3-1 provides an example of the operation waveform after a cause of INITX pin input reset has
been cleared.
Figure 3-1 Operation Waveform after INITX Pin Input Reset has been Cleared
INITX
Internal reset
Oscillation of
low-speed CR
Wait time required until oscillation of high-
speed CR has become stable
Oscillation of
high-speed CR
Dozens cycle
Start operation
Clear cause
SRST
Figure 3-2 shows an operation waveform after a software reset has been cleared.
Figure 3-2 Operation Waveform after a Software Reset has been Cleared
SRST
Internal reset
HCLK
Dozens cycle
Start operation
Clear
cause