STM804(2004) データシートの表示（PDF） - STMicroelectronics

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STM804
(Rev.:2004)

3V Supervisor with Battery Switchover

STMicroelectronics 

STM690/704/795/802/804/805/806

Figure 10. Block Diagram (STM795)

VCC

VBAT

VSO

COMPARE

VRST

COMPARE

ECON OUTPUT

CONTROL

E

PFI

VPFI

COMPARE

trec

Generator

Figure 11. Hardware Hookup

VOUT

VCCSW

RST

ECON

PFO

AI08852

Unregulated

Voltage

Regulator

VIN

VCC

VCCSW(2)

VCC

VOUT

0.1µF

STM690/704/

795/802/804/

805/806

From Microprocessor

R1

WDI(1)

E(2)

ECON(2)

PFI(3)

PFO(3)

R2

Push-Button

MR(4)

RST

VBAT

Note: 1. For STM690/802/804/805.

2. For STM795 only.

3. Not available on STM795.

4. For STM704/806.

VCC

VCC

LPSRAM

E

E

0.1µF

To Microprocessor NMI

To Microprocessor Reset

AI08853

8/31

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