P12C508 Microchip Technology, P12C508 Datasheet - Page 31

• Manufacturer Part Number: P12C508
• Description: 8-Pin / 8-Bit CMOS Microcontroller
• Manufacturer: Microchip Technology

FIGURE 7-9:
FIGURE 7-10: TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO V
FIGURE 7-11: TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO V
1996 Microchip Technology Inc.
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
TIME-OUT SEQUENCE ON POWER-UP (MCLR PULLED LOW)
DD
DD
When V
this example, the chip will reset properly if, and only if, V1
DD
DD
rises slowly, the T
Advance Information
DRT
T
T
DRT
DRT
time-out expires long before V
V1
V
DD
DD
min.
has reached its final value. In
DD
DD
PIC12C5XX
): SLOW V
): FAST V
T
DRT
DD
DS40139A-page 31
DD
RISE TIME
RISE TIME