PIC16(L)F1508/9
DS40001609E-page 62
2011-2015 Microchip Technology Inc.
6.0
RESETS
There are multiple ways to reset this device:
• Power-on Reset (POR)
• Brown-out Reset (BOR)
• Low-Power Brown-out Reset (LPBOR)
• 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 6-1:
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
Device
Reset
Power-on
Reset
WDT
Time-out
Brown-out
Reset
LPBOR
Reset
RESET
Instruction
MCLRE
Sleep
BOR
Active
(1)
PWRTE
LFINTOSC
V
DD
ICSP™ Programming Mode Exit
Stack Underflow
Stack Overlfow
V
PP
/MCLR
R
Power-up
Timer
Rev. 10-000006A
8/14/2013
Note
1:
See
for BOR active conditions.
