Datasheet

 2010 Microchip Technology Inc. DS41326E-page 51
PIC16F526
FIGURE 8-7: SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
FIGURE 8-8: TIME-OUT SEQUENCE ON POWER-UP (MCLR
PULLED LOW)
FIGURE 8-9: TIME-OUT SEQUENCE ON POWER-UP (MCLR
TIED TO VDD): FAST VDD RISE
TIME
SQ
R
Q
VDD
RB3/MCLR/VPP
Power-up
Detect
POR (Power-on Reset)
WDT Reset
CHIP Reset
MCLRE
Wake-up on pin Change Reset
Start-up Timer
(10 ms, 1.125 ms
WDT Time-out
Pin Change
Sleep
MCLR
Reset
or 18 ms)
Comparator Change
Wake-up on
Comparator Change
VDD
MCLR
Internal POR
DRT Time-out
Internal Reset
TDRT
VDD
MCLR
Internal POR
DRT Time-out
Internal Reset
TDRT