PIC16F15213 datasheet(65/439 Pages) MICROCHIP

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10.

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 VDD 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 10-1.

Figure 10-1. Simplified Block Diagram of On-Chip Reset Circuit

Filename:

Reset Circuit Block Diagram.vsdx

Title:

Last Edit:

1/23/2020

First Used:

Notes:

Rev. Res et Circ

1/23/2020

Device

Reset

Power-on

Reset

WDT Time-out

Brown-out

Reset

RESET Instruction

MCLRE

PWRTS[1:0]

LFINTOSC

VDD

ICSP

Programming Mode Exit

Stack Underflow

Stack Overflow

Power-up

Timer

VPP/MCLR

Memory Violation

10.1

Power-on Reset (POR)

The POR circuit holds the device in Reset until VDD has reached an acceptable level for minimum operation. Slow

rising VDD, fast operating speeds or analog performance may require greater than minimum VDD. The PWRT, BOR or

MCLR features can be used to extend the start-up period until all device operation conditions have been met.

10.1.1

Programming Mode Exit

Upon exit of Programming mode, the device will behave as if a POR had just occurred.

PIC16F15213/14/23/24/43/44

Resets

and its subsidiaries

Data Sheet

DS40002195E-page 65

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