4.2.3.3 Power ON/OFF Sequences for Multiple Supplies

Figure 4-9. ATSAMA5D27-WLSOM1 Multiple Supplies Connections: Power-On Sequence
Figure 4-10. ATSAMA5D27-WLSOM1 Multiple Supplies Connections: Power-Off Sequence
Table 4-3. ATSAMA5D27-WLSOM1 Multiple Supplies Timing Table
SymbolDescriptionMin.Typ.Max.Unit
t1Power-Up Request Timing0.5–2000ms
t2VDDSDHC Power-Up Timing–35100µs
t3VDDISC Power-Up Timing–40100µs
t4VDD_DDR Power-Up Timing–8–ms
t5NRST Timing for Release–16–ms
t6VLDO2 Power-Up Timing after I²C Request–0.51ms
t7VLDO2 Power-Down Timing after I²C Request––1ms
t8VDD_3V3 Power-Down Timing–10–µs
t9NRST Forced to Low Timing––10µs