PIC18F2420-I/SOC01 Microchip, PIC18F2420-I/SOC01 Datasheet - Page 49

• Manufacturer Part Number: PIC18F2420-I/SOC01
• Description: 28 pin, 16 kb flash, 3804 ram, 25 i/o...
• Manufacturer: Microchip

FIGURE 4-6:
FIGURE 4-7:
© 2008 Microchip Technology Inc.
INTERNAL RESET
Note:
PWRT TIME-OUT
INTERNAL POR
OST TIME-OUT
PLL TIME-OUT
INTERNAL RESET
PWRT TIME-OUT
INTERNAL POR
OST TIME-OUT
T
T
OST
PLL
MCLR
≈ 2 ms max. First three stages of the PWRT timer.
= 1024 clock cycles.
V
DD
MCLR
V
SLOW RISE TIME (MCLR TIED TO V
TIME-OUT SEQUENCE ON POR W/PLL ENABLED (MCLR TIED TO V
DD
PIC18F2420/2520/4420/4520
0V
T
PWRT
T
PWRT
DD
, V
T
OST
5V
DD
RISE > T
T
T
OST
PLL
PWRT
)
DS39631E-page 47
DD
)