Microchip Technology MA180025 データシート
2010 Microchip Technology Inc.
DS39933D-page 57
PIC18F87J90 FAMILY
FIGURE 5-5:
TIME-OUT SEQUENCE ON POWER-UP (MCLR NOT TIED TO V
DD
): CASE 2
FIGURE 5-6:
SLOW RISE TIME (MCLR TIED TO V
DD
, V
DD
RISE > T
PWRT
)
V
DD
MCLR
INTERNAL POR
PWRT TIME-OUT
INTERNAL RESET
T
PWRT
V
DD
MCLR
INTERNAL POR
PWRT TIME-OUT
INTERNAL RESET
0V
1V
3.3V
T
PWRT