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AME8530AEEVKFX46

Micropower µP Watch Dog Timer

AME, Inc 

AME, Inc.

AME8510 / 8520 / 8530

Micropower µP Watch Dog Timer

n Pin Description

Pin #

Pin Name

AME8510 AME8520 AME8530

Pin Description

This pin may be either RESET or RESETB. RESETB is active

1

1

1

RESET/ low. In the case of the AME8520 and AME8530 this pin will

RESETB always be the opposite polarity from pin 3. This pin can be

push/pull or open drain.

2

2

2

GND Ground

N/A

3

3

N/A

This pin may be either RESETB or RESET. RESET is active

3

RESET/ high. In the case of the AME8520 and AME8530 this pin will

RESETB always be the opposite polarity from pin 1. This pin can be

either push/pull or open drain.

Manual Reset. Active low. Pulling this pin low forces a reset.

After a low to high transition reset remains asserted for exactly

4

MRB

one reset timeout period. This pin is internally pulled high. If

this function is unused then float this pin or tie it to VDD.

Watch Dog Input. Any transition on this pin will reset the watch

4

4

N/A

WDI

dog timer. If this pin remains high or low for longer than the

watch dog interval then a reset is asserted. Float or tristate this

pin to disable the watch dog feature.

Positive power supply. A reset is asserted after this voltage

5

5

5

VDD

drops below a predetermined level. After VDD rises above that

level reset remains asserted until the end of the reset timeout

period.

2

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