p16f877 Microchip Technology Inc., p16f877 Datasheet - Page 130

• Manufacturer Part Number: p16f877
• Description: 28/40-pin 8-bit Cmos Flash Microcontrollers
• Manufacturer: Microchip Technology Inc.

PIC16F87X
FIGURE 12-6:
FIGURE 12-7:
FIGURE 12-8:
DS30292C-page 128
INTERNAL RESET
INTERNAL RESET
PWRT TIME-OUT
PWRT TIME-OUT
INTERNAL POR
OST TIME-OUT
INTERNAL POR
OST TIME-OUT
INTERNAL RESET
PWRT TIME-OUT
INTERNAL POR
OST TIME-OUT
MCLR
MCLR
V
V
MCLR
DD
DD
V
DD
TIME-OUT SEQUENCE ON POWER-UP (MCLR NOT TIED TO V
TIME-OUT SEQUENCE ON POWER-UP (MCLR NOT TIED TO V
SLOW RISE TIME (MCLR TIED TO V
0V
T
PWRT
1V
T
T
PWRT
PWRT
5V
DD
)
T
OST
T
T
OST
OST
2001 Microchip Technology Inc.
DD
DD
): CASE 1
): CASE 2