MB3773 View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

Manufacturer

MB3773

Power Supply Monitor with Watch-Dog Timer

Cypress Semiconductor 

MB3773

EXAMPLE 10: Circuit for Monitoring Multiple Microprocessor

FF1

S

D1 Q1

CK Q1

R

FF2

S

D2 Q2

CK2 Q2

R

FF3

S

D3 Q3

CK Q3

R

R2

R1

*

*

*

RESET

RESET

RESET

RESET

CK

RESET

CK

RESET

CK

GND

GND

GND

*: Microprocessor

18

27

CT

3

4

6

5

MB3773

Notes :

•

connects from FF1 and FF2 outputs Q1 and Q2 to the NOR input.

• Depending on timing, these connections may not be necessary.

•

Example

:

R1

CT





R2  2.2

0.1 μF

kΩ

CK1

Q1

CK2

Q2

CK3

Q3

NOR

Output

Document Number: 002-08513 Rev. *A

VCC (  5

Figure 1

Figure 2

Page 23 of 31

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