MB3793-45 Fujitsu Media Devices, MB3793-45 Datasheet - Page 13

• Manufacturer Part Number: MB3793-45
• Description: Power Voltage Monitoring IC with Watchdog Timer
• Manufacturer: Fujitsu Media Devices

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DataSheet
4
1. Supply voltage monitor and watchdog timer (1-clock monitor)
2. Supply voltage monitor and watchdog timer stop
U
V
GND
.com
APPLICATION EXAMPLE
CC
C
GND
TW
V
CC
*
*: Use a capacitor with less leakage current.
*: Use a capacitor with less leakage current.
C
C
TP
The MB3793 monitors the clock (CK1/2) at every other input pulse.
TW
*
*
6
2
3
C
CTW
CTP
INH
TP
M B 3 7 9 3
*
GND
V
5
CC
4
RESET
2
3
6
CK1
CK2
CTW
CTP
INH
M B 3 7 9 3
8
1
7
GND
V
4
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5
CC
RESET
CK1
CK2
8
7
1
Microprocessor 1
RESET
CK
GND
HALT
V
CC
MB3793-45
RESET
Microprocessor
CK
Microprocessor 2
RESET
CK
GND
GND
V
CC
HALT
V
CC
13