What are CCP modules?

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How many CCP modules are there?

CCP MODULE IN PIC18F452 microcontroller PIC18F452 microcontroller contains built in two CCP modules (CCP1 and CCP2). Both modules are identical in there operation except inthe special event trigger operation.

What are the timers needed for CCP module?

The timing data to CCP module can be sourced with either Timer 1 or Timer 3 and the event trigger output is obtained at the CCPx pin.

Which bit is used for setting interrupt flag in CCP module *?

Following the occurrence of a capture event, CCPx module generates two actions: Initially, timer 1 contents, high and low byte, is recorded in CCPRxH, high byte, and CCPRxL, low byte. Secondly, the interrupt flag bit, CCPxIF, is set.

What are the applications of CCP mode in compare mode?

CCP in Compare mode is used to generate a waveform of various duty cycles like PWM and also used to trigger an event when the pre-determined time expires. Also, it is used to generate specific time delay.

What functions can the CCP modules perform?

– CCP stands for Capture, Compare, and Pulse Width Modulation. – Each CCP module can be configured to perform capture, compare, or PWM function.

What are the applications of PWM?

There are other applications that use PWM technology, including:

• Drive buzzer with different loudness.
• Control speed of the motor.
• Control the direction of a servo.
• Provide an analog output.
• Generate audio signal.
• Telecommunication: Encode message.

What is the purpose of the CCP module in the pic18f?

– A PIC18 device may have one, two, or five CCP modules. – CCP stands for Capture, Compare, and Pulse Width Modulation. – Each CCP module can be configured to perform capture, compare, or PWM function. – In capture operation, the CCP module copy the contents of a timer into a capture register on an signal edge.

What is CCP module in PIC microcontroller?

Capture-Compare-Pulse-Width-Module (CCP) is a special module designs for modulation and waveform generation applications. This module basically works on three different modes (capture/compare and PWM odes). The PIC 16F877 chip contains two CCP ports (CCP1 and CCP2).

What is the application of capture mode?

1. Capture Mode, allows timing for the duration of an event. This circuit gives insight into the current state of a register which constantly changes its value. In this case, it is the timer TMR1 register.

Which are the special function register related to CCP module of PIC microcontroller?

CCP1 Module Capture/Compare/PWM Register 1 (CCPR1) is a 16 bit register comprised of two 8-bit registers: CCPR1L (low byte) and CCPR1H (high byte). The CCP1CON register controls the operation of CCP1. The special event trigger is generated by a compare match and will reset Timer1.

What is the use of PWM in microcontrollers?

Pulse Width Modulation (PWM) is a technique where the width of digital pulses is adjusted to generate different average dc voltages. Most microcontrollers have a built-in timer that can be used to generate a PWM signal.