ATMEGA328-AU Atmel, ATMEGA328-AU Datasheet - Page 95
ATMEGA328-AU
Manufacturer Part Number
ATMEGA328-AU
Description
IC MCU AVR 32K FLASH 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA328-AU
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
32-TQFP, 32-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA328-AU
Manufacturer:
SAMSUNG
Quantity:
15 000
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14. 8-bit Timer/Counter0 with PWM
14.1
14.2
8271C–AVR–08/10
Features
Overview
•
•
•
•
•
•
•
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
95
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