PIC16C54-20I/SS Microchip Technology, PIC16C54-20I/SS Datasheet - Page 24

• Manufacturer Part Number: PIC16C54-20I/SS
• Description: ROM-Based 8-Bit CMOS Microcontroller Series
• Manufacturer: Microchip Technology

PIC16C5X
FIGURE 5-3:
FIGURE 5-4:
FIGURE 5-5:
DS30453D-page 22
INTERNAL RESET
INTERNAL RESET
INTERNAL RESET
INTERNAL POR
INTERNAL POR
DRT TIME-OUT
DRT TIME-OUT
INTERNAL POR
DRT TIME-OUT
MCLR
MCLR
MCLR
V
V
V
DD
DD
When V
this example, the chip will RESET properly if, and only if, V1
DD
TIME-OUT SEQUENCE ON POWER-UP (MCLR NOT TIED TO VDD)
TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD): FAST VDD RISE
TIME
TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO VDD): SLOW VDD RISE
TIME
DD
rises slowly, the T
T
DRT
V1
DRT
T
DRT
time-out expires long before V
Preliminary
V
DD
DD
has reached its final value. In
min
2002 Microchip Technology Inc.
T
DRT