Filter
Top Products
MB3773
22
EXAMPLE 10: Circuit for Monitoring Multiple Microprocessor
VCC ( = 5 V)
1
2
3
4
8
7
6
5
CT
MB3773
RESET
RESET
CK
GND
Notes : • connects from FF1 and FF2 outputs Q1 and Q2 to the NOR input.
• Depending on timing, these connections may not be necessary.
• Example : R
1 = R2 = 2.2 kΩ
C
T = 0.1 µF
RESET
RESET
CK
GND
RESET
RESET
CK
GND
S
D
3
CK3
R
Q
3
Q3
S
D
2
CK2
R
Q
2
Q2
S
D
1
CK1
R
Q
1
Q1
FF3FF2FF1
R2
R1
CK1
Q1
CK2
Q2
CK3
Q3
NOR
Output
Figure 1
Figure 2
***
*: Microprocessor