WM8325 datasheet(31/254 Pages) WOLFSON

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WM8325 데이터시트(PDF) 31 Page - Wolfson Microelectronics plc

부품명	WM8325

상세설명	Processor Power Management Subsystem

PDF	254 Pages

Scroll/Zoom	100%

제조업체	WOLFSON [Wolfson Microelectronics plc]

홈페이지	http://www.wolfsonmicro.com

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31 / 254 page

Production Data

WM8325

PD, February 2012, Rev 4.0

The valid power state transitions are illustrated in Figure 4.

Figure 4 Power States and Transitions

State transitions to/from the NO POWER state are controlled automatically by the internal supply

(VPMIC) voltage generated by LDO12. The device is in the NO POWER state when this voltage is

below the Power-On Reset (POR) threshold. See Section 24 for more details on Power-On Reset.

State transitions to/from the BACKUP state are controlled automatically by the internal supply

(VPMIC) voltage generated by LDO12. The device is in the BACKUP state when this voltage is below

the Device Reset threshold. See Section 24 for more details on Resets.

State transitions to/from the PROGRAM state are required to follow specific control sequences. See

Section 14 for details of the PROGRAM functions.

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