PIC18F2331 Datasheet, PDF(164/396 Page) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D

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PIC18F2331 Datasheet, PDF (164/396 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D

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PIC18F2331/2431/4331/4431

FIGURE 16-3:

INPUT CAPTURE BLOCK DIAGRAM FOR IC2 AND IC3

CAP2/CAP3 Pin

Noise

Filter

3

FLTCK<2:0>

Prescaler

1, 4, 16

and

Mode

Select

Qâs

4

CAPxM<3:0>(1)

ICxIF(1)

Capture Clock/

Reset/

Interrupt

Decode

Logic

CAPxBUF_clk(1)

Reset

Q clocks CAPxM<3:0>(1)

Note 1: IC2 and IC3 are denoted as x=2 and 3.

2: CAP2BUF is enabled as POSCNT when QEI mode is active.

3: CAP3BUF is enabled as MAXCNT when QEI mode is active.

CAPxBUF(1,2,3)

Capture

Clock

TMR5

Enable

TMR5

Timer

Reset

Control

TMR5 Reset

CAPxREN(2)

DS39616B-page 162

Preliminary

ï£© 2003 Microchip Technology Inc.

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