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4 PLIB Drivers
Peripheral Libraries (PLIB) may provide firmware portability, but in general provide only a non-portable interface to peripheral functionality, in the form of an API to support peripheral functionality.
4.14 Timers

1 MCC Melody API Reference for AVR® MCU Families
Lists the Libraries, Drivers, PLIB Drivers and System Drivers which support the 8-bit AVR families of microcontrollers in MCC Melody.
2 Libraries
Software libraries which provide a complex set of functionalities, such as protocol support e.g., USB, TCP\IP, Data Streamer (Protocol) etc.
3 Drivers
Drivers provide a portable functional interface to the functionalities of the peripheral. Provides an API supporting peripheral functionality.
4 PLIB Drivers
Peripheral Libraries (PLIB) may provide firmware portability, but in general provide only a non-portable interface to peripheral functionality, in the form of an API to support peripheral functionality.
- 4.1 AC - Analog Comparator
- 4.2 ADC - Analog to Digital Converter
- 4.3 CCL - Configurable Custom Logic
- 4.4 CFD - Clock Failure Detection
- 4.5 CRCSCAN - Cyclic Redundancy Check Scan
  Cyclic Redundancy Check Memory Scan
- 4.6 DAC - Digital-to-Analog Converter
- 4.7 EVSYS - Event System
- 4.8 ExtInt - External Interrupts
- 4.9 I2C - Inter-Integrated Circuit
- 4.10 NVMCTRL - Nonvolatile Memory Controller
- 4.11 MVIO - Multi-Voltage I/O
- 4.12 OPAMP - Analog Signal Conditioning
- 4.13 SPI - Serial Peripheral Interface
- 4.14 Timers
  - 4.14.1 8-bit Timer/Counter0 with PWM
    8-bit Timer/Counter0 with Pulse Width Modulation
  - 4.14.2 16-bit Timer/Counter1 with PWM
    16-bit Timer/Counter1 with Pulse Width Modulation
  - 4.14.3 8-bit Timer/Counter2 with Async PWM
    8-bit Timer/Counter2 with PWM and Asynchronous Operation
  - 4.14.4 16-bit Timer/Counter A with PWM
    16-bit Timer/Counter type A (TCA) with three compare channels for PWM and waveform generation.
  - 4.14.5 16-bit Timer/Counter B with PWM
    Up to five 16-bit Timer/Counters type B (TCB) with input capture for capture and signal measurements
  - 4.14.6 12-bit Timer/Counter D with PWM
    One 12-bit PWM Timer/Counter type D (TCD) optimized for power control
  - 4.14.7 16-bit Timer/Counter E with PWM
    16-bit PWM Timer/Counter type E (TCE) with scale hardware accelerator
  - 4.14.8 24-bit Timer/Counter F with PWM
    24-bit Timer/Counter type F (TCF) offering three Counter Operation Modes.
  - 4.14.9 Real-Time Counter
    16-bit Real-Time Counter (RTC) that can run from external crystal or internal oscillator
- 4.15 USART - Universal Synchronous and Asynchronous Receiver and Transmitter
- 4.16 USB - Universal Serial Bus
- 4.17 VREF - Voltage Reference
- 4.18 WEX - Waveform Extension
- 4.19 ZCD - Zero Cross Detector
5 System Drivers
Provides system level core functionality, like Clock, Interrupt, Pins. Some of these can be device dependent.
6 Revision History
A concise summary of the changes for each version of the AVR API Reference.
Microchip Information

4.14 Timers

The MCC Melody Timer PLIB (Peripheral Library) Drivers generate APIs to support timer-specific peripheral functionality on AVR target MCUs.

Timers are categorized as follows:

8-bit Timer/Counter0 with PWM
16-bit Timer/Counter1 with PWM
8-bit Timer/Counter2 with Async PWM
16-bit Timer/Counter type A with PWM
16-bit Timer/Counter type B with PWM
16-bit Timer/Counter type D with PWM
16-bit Timer/Counter type E with PWM
24-bit Timer/Counter type F with PWM
Real-Time Clock