PIC18F2420 MICROCHIP [Microchip Technology], PIC18F2420 Datasheet - Page 49

• Manufacturer Part Number: PIC18F2420
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 4-6:
FIGURE 4-7:
 2004 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
= 1024 clock cycles.
V
2 ms max. First three stages of the PWRT timer.
DD
MCLR
SLOW RISE TIME (MCLR TIED TO V
V
TIME-OUT SEQUENCE ON POR W/PLL ENABLED (MCLR TIED TO V
DD
PIC18F2420/2520/4420/4520
0V
T
PWRT
Preliminary
T
PWRT
DD
T
, V
OST
5V
DD
RISE > T
T
T
OST
PLL
PWRT
)
DS39631A-page 47
DD
)