Datasheet

 2010-2012 Microchip Technology Inc. DS41419D-page 77
PIC16(L)F1824/1828
7.0 RESETS
There are multiple ways to reset this device:
• Power-on Reset (POR)
• Brown-out Reset (BOR)
•MCLR
Reset
•WDT Reset
• RESET instruction
• Stack Overflow
• Stack Underflow
• Programming mode exit
To allow V
DD to stabilize, an optional Power-up Timer
can be enabled to extend the Reset time after a BOR
or POR event.
A simplified block diagram of the On-Chip Reset Circuit
is shown in Figure 7-1.
FIGURE 7-1: SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
External Reset
MCLR
VDD
WDT
Time-out
Power-on
Reset
LFINTOSC
PWRT
64 ms
PWRTEN
Brown-out
Reset
BOR
RESET Instruction
Stack
Pointer
Stack Overflow/Underflow Reset
Sleep
MCLRE
Enable
Device
Reset
Zero
Programming Mode Exit