33813 datasheet(37/54 Pages) FREESCALE

No. de pieza	33813

Descripción Electrónicos	One Cylinder Small Engine Control IC

PDF	54 Pages

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Fabricante Electrónico	FREESCALE [Freescale Semiconductor, Inc]

Página de inicio	http://www.freescale.com

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Analog Integrated Circuit Device Data



Freescale Semiconductor

33813

Figure 18. 33813 Functional State Diagram

5.3.3

SLEEP State

Sleep State is entered when the VBAT level signal is removed from the KEYSW pin and the PWREN SPI bit is a logic low. In

Sleep state all outputs and current sources and sinks are off and the device consumes less than IVPWR(SS) µA. Applying a VBAT

level to the KEYSW pin will force the device to exit the Sleep state and generate a POR.

Table 14. Operational States

KEYSW

Input

PWREN

Input

BATSW

Output

All

Supplies

STATE

OFF

Sleep

NORMAL

Prepare to shutdown

ActiveStates

Passive States

NORMAL

RESET*

RESETB=1

RESETB = 0

BATSW=1

SLEEP

START

RESETB=1

BATSW = 0

RESETB=1

VPWR_UV=1

READYTO

OFF

SHUT

DOWN

RESETB=1

BATSW = 0

PWREN=1

SPI_RESET*

RESETB=1

UV = UnderVoltage

OV = OverVoltage

WD = Watch Dog

TD = TimeDelay

POR = PowerOn Reset

i A

*Configuration Registers resetto default, alloutputsoff

& = logic AND

^=logic OR

!=logic negation

33813 Datasheet(PDF) 37 Page - Freescale Semiconductor, Inc

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