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Is there a set order for turning Vcc, PLLVcc, PVcc1 & PVcc2 power on/off

Latest Updated:01/18/2008

Question:

For H8S/2633 and H8S/2643 Group products, is there a set order for turning Vcc, PLLVcc, PVcc1 and PVcc2 power on/off?

Answer:

Regarding powering on/off H8S/2633 and H8S/2643 Group products, when powering on as in Figure 1, turn the Vcc and PLLVcc terminals on simultaneously or first; when powering off, turn the Vcc and PLLVcc terminals off simultaneously or last.

Figure 1. Power on/off timing

Suitable Products
H8S/2643
H8S/2633