A000048 Arduino, A000048 Datasheet - Page 95

• Manufacturer Part Number: A000048
• Description: ATMEGA328 MCU IC W/ Arduino UNO Bootloader
• Manufacturer: Arduino
• Series: -r

Specifications of A000048

• Accessory Type: Pre-Programed IC
• Features: Powered Via USB Connection, AC-to-DC Adapter, Power Jack, ICSP Header
• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: -
• For Use With: ATmega328 Microcontrollers
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

14. 8-bit Timer/Counter0 with PWM
14.1
14.2
8271C–AVR–08/10
Features
Overview
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Timer/Counter0 is a general purpose 8-bit Timer/Counter module, with two independent Output
Compare Units, and with PWM support. It allows accurate program execution timing (event man-
agement) and wave generation.
A simplified block diagram of the 8-bit Timer/Counter is shown in
placement of I/O pins, refer to
page
device-specific I/O Register and bit locations are listed in the
107.
The PRTIM0 bit in
enable Timer/Counter0 module.
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
Two Independent Output Compare Units
Double Buffered Output Compare Registers
Clear Timer on Compare Match (Auto Reload)
Glitch Free, Phase Correct Pulse Width Modulator (PWM)
Variable PWM Period
Frequency Generator
Three Independent Interrupt Sources (TOV0, OCF0A, and OCF0B)
2. CPU accessible I/O Registers, including I/O bits and I/O pins, are shown in bold. The
”Minimizing Power Consumption” on page 42
”Pinout ATmega48A/48PA/88A/88PA/168A/168PA/328/328P” on
”Register Description” on page
Figure
must be written to zero to
14-1. For the actual
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