L9803 STMicroelectronics, L9803 Datasheet - Page 26

• Manufacturer Part Number: L9803
• Description: Super Smart Power Motor Driver With 8-bit Mcu, Ram, Eeprom, Adc, Wdg, Timers, Pwm And H-bridge Driver
• Manufacturer: STMicroelectronics

Clocks, Reset, Interrupts & Power saving modes
Figure 10. Power Up/Down behaviour
Figure 11. Reset Block Diagram
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NRESET
POR/LVD
V
V
V
Reset OFF
Reset UD
Reset ON
V
DD
5V
5V
V
DD
300K
Oscillator
Signal
= undefined value
to ST7
CLK
Reset
Watchdog Reset
Safeguard Reset
POR/LVD Reset
Internal
RESET
RESET
t
t
L9803