Datasheet

PIC16(L)F1938/9
DS40001574D-page 74  2011-2017 Microchip Technology Inc.
6.0 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 al lo w 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.
FIGURE 6-1: SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
Device
Reset
Power-on
Reset
WDT
Time-out
Brown-out
Reset
MCLRE
Sleep
BOR
Active
(1)
PWRTE
LFINTOSC
VDD
Stack Underflow
Stack Overlfow
VPP/MCLR
R
Power-up
Timer
Rev. 10-000006B
8/14/2013
RESET Instruction
ICSP™ Programming Mode Exit
Note 1: See Table 6-1 for BOR active conditions.