12F508 Microchip Technology, 12F508 Datasheet - Page 49

• Manufacturer Part Number: 12F508
• Description: Search -----> PIC12F508
• Manufacturer: Microchip Technology

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FIGURE 7-8:
FIGURE 7-9:
FIGURE 7-10:
© 2005 Microchip Technology Inc.
(GP3/RB3)/MCLR/V
Pin Change
MCLRE
WDT Time-out
DRT Time-out
Internal Reset
Sleep
Internal Reset
DRT Time-out
Internal POR
Internal POR
V
DD
MCLR
MCLR
V
PP
V
DD
DD
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
TIME-OUT SEQUENCE ON POWER-UP (MCLR PULLED LOW)
TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO V
TIME
Wake-up on pin Change Reset
Power-up
Detect
WDT Reset
POR (Power-on Reset)
TDRT
MCLR Reset
Preliminary
PIC12F508/509/16F505
(10 s or 18 ms)
Start-up Timer
DD
R
S
): FAST V
TDRT
DS41236B-page 47
Q
Q
DD
CHIP Reset
RISE