Chapter7. Reset Function
Internal IC
VDD
Internal Reset
RESET
0.1uF
Power On DET
Pulse GEN.
VSS
XTAL
PS10
MSB
CLR
Basic Interval
Tiemr
CLR
CLR
Prescaler
OSC.
Basic Interval
Tiemr
Fig. 7.1 Block Diagram of Power On Reset Circuit
Notice ; When Power On Reset, oscillator stabilization time doesn`t include OSC. Start time.
PRESCALER COUNT ST ART
VDD
OSC. ST ART T IMING
Fig. 7.2 Oscillator stabilization diagram
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