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| PIC18F25K20T-ISS Datasheet, PDF (57/456 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology | |||
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PIC18F2XK20/4XK20
FIGURE 4-6:
SLOW RISE TIME (MCLR TIED TO VDD, VDD RISE > TPWRT)
5V
VDD
0V
MCLR
INTERNAL POR
TPWRT
PWRT TIME-OUT
TOST
OST TIME-OUT
INTERNAL RESET
FIGURE 4-7:
TIME-OUT SEQUENCE ON POR W/PLL ENABLED (MCLR TIED TO VDD)
VDD
MCLR
INTERNAL POR
PWRT TIME-OUT
OST TIME-OUT
PLL TIME-OUT
INTERNAL RESET
TPWRT
TOST
TPLL
Note: TOST = 1024 clock cycles.
TPLL ï» 2 ms max. First three stages of the PWRT timer.
ï£ 2010 Microchip Technology Inc.
DS41303G-page 57
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