AT91SAM9G46B-CU 查看數據表（PDF） - Atmel Corporation

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AT91SAM9G46B-CU

SMART ARM-based Embedded MPU

Atmel Corporation 

4.2.2

Power-down Sequence

To ensure that the device does not operate outside the operating conditions defined in Section 4.1 “Power

Supplies”, it is good practice to first place the device in reset state before removing its power supplies. No specific

sequencing is required with respect to its supply channels as long as the NRST line is held active during the

power-down phase.

Figure 4-2.

Recommended Power-Down Sequence

tRSTPD

NRST

VDDCORE

VDDIOM0

VDDIOM1

VDDIOP0-2

VDDBU

VDDPLLUTMI

VDDUTMIC

VDDUTMII

VDDPLLA

VDDOSC

VDDANA

No specific order and no

specific timing required

among the channels

time

16 SAM9G46 Series [DATASHEET]

Atmel-11028G-ATARM-SAM9G46-Datasheet_08-Dec-15

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