PIC16F15213 datasheet(147/439 Pages) MICROCHIP

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18.

PPS - Peripheral Pin Select Module

18.1

Overview

The Peripheral Pin Select (PPS) module connects peripheral inputs and outputs to the device I/O pins. Only digital

signals are included in the selections.

Important: All analog inputs and outputs remain fixed to their assigned pins and cannot be changed

through PPS.

Input and output selections are independent as shown in the figure below.

Figure 18-1. PPS Block Diagram

Filename:

PPS Block Diagram.vsdx

Title:

Last Edit:

3/26/2019

First Used:

Notes:

Rev. PP S B lock

3/26/2019

xyzPPS

abcPPS

Peripheral xyz

Peripheral abc

RA0PPS

RxyPPS

Input selections

Rxy

RA0

Rxy

Output selections

18.2

PPS Inputs

Each digital peripheral has a dedicated PPS Peripheral Input Selection (xxxPPS) register with which the input pin to

the peripheral is selected. Devices that have 20 leads or less (8/14/16/20) allow PPS routing to any I/O pin, while

devices with 28 leads or more allow PPS routing to I/Os contained within two ports (see the table below).

Important: The notation “xxx” in the generic register name is a placeholder for the peripheral identifier.

For example, xxx = T0CKI for the T0CKIPPS register.

Multiple peripherals can operate from the same source simultaneously. Port reads always return the pin level

regardless of peripheral PPS selection. If a pin also has analog functions associated, the ANSEL bit for that pin must

be cleared to enable the digital input buffer.

PIC16F15213/14/23/24/43/44

PPS - Peripheral Pin Select Module

and its subsidiaries

Data Sheet

DS40002195E-page 147

PIC16F15213 Datasheet(PDF) 147 Page - Microchip Technology

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