PIC12C508A Microchip Technology, PIC12C508A Datasheet - Page 41

• Manufacturer Part Number: PIC12C508A
• Description: 8-Pin/ 8-Bit CMOS Microcontrollers
• Manufacturer: Microchip Technology

FIGURE 8-8:
FIGURE 8-9:
FIGURE 8-10: TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO V
1999 Microchip Technology Inc.
INTERNAL RESET
GP3/MCLR/V
INTERNAL RESET
INTERNAL POR
DRT TIME-OUT
INTERNAL POR
DRT TIME-OUT
V
DD
PP
MCLRE
MCLR
MCLR
V
V
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
TIME-OUT SEQUENCE ON POWER-UP (MCLR PULLED LOW)
DD
DD
Power-Up
DRT OSC
Detect
On-Chip
T
DRT
POR (Power-On Reset)
WDT Time-out
(Start-Up Timer)
Ripple Counter
8-bit Asynch
Pin Change
SLEEP
RESET
DD
PIC12C5XX
): FAST V
Wake-up on
pin change
R
S
T
DRT
Q
Q
DD
DS40139E-page 41
RISE TIME
CHIP RESET