PIC12F1840 MICROCHIP [Microchip Technology], PIC12F1840 Datasheet - Page 69

• Manufacturer Part Number: PIC12F1840
• Description: 8-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

7.0
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
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:
 2011 Microchip Technology Inc.
MCLR
V
DD
Programming Mode Exit
RESET Instruction
RESETS
DD
Pointer
Figure
Stack
to stabilize, an optional power-up timer
Brown-out
Power-on
Time-out
Sleep
Reset
7-1.
Reset
WDT
Stack Overflow/Underflow Reset
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
External Reset
MCLRE
Enable
BOR
LFINTOSC
Preliminary
Zero
PWRTEN
PWRT
64 ms
PIC12F/LF1840
DS41441A-page 69
Device
Reset