PIC16F1503T-I 查看數據表（PDF） - Microchip Technology

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PIC16F1503T-I

14-Pin Flash, 8-Bit Microcontrollers

Microchip Technology 

PIC16(L)F1503

22.0 PULSE-WIDTH MODULATION

(PWM) MODULE

The PWM module generates a Pulse-Width Modulated

signal determined by the duty cycle, period, and reso-

lution that are configured by the following registers:

• PR2

• T2CON

• PWMxDCH

• PWMxDCL

• PWMxCON

Figure 22-1 shows a simplified block diagram of PWM

operation.

For a step-by-step procedure on how to set up this

module for PWM operation, refer to Section

22.1.9 “Setup for PWM Operation using PWMx

Pins”.

FIGURE 22-1:

SIMPLIFIED PWM BLOCK DIAGRAM

Duty cycle registers

PWMxDCH

PWMxDCL<7:6>

10-bit Latch

(Not visible to user)

Comparator

TMR2 Module

TMR2

R (1)

R

Q

0

1

S

Q

PWMxPOL

Rev. 10-000022A

8/5/2013

PWMx_out

To Peripherals

PWMxOE

PWMx

TRIS Control

Comparator

PR2

T2_match

Note 1: 8-bit timer is concatenated with two bits generated by Fosc or two bits of the internal prescaler to

create 10-bit time-base.

DS40001607D-page 208

 2011-2015 Microchip Technology Inc.

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