ATMEGA16U2-16AU Atmel, ATMEGA16U2-16AU Datasheet - Page 108
ATMEGA16U2-16AU
Manufacturer Part Number
ATMEGA16U2-16AU
Description
8-bit Microcontrollers - MCU 16K Flash
Manufacturer
Atmel
Datasheet
1.ATMEGA16U2-16AU.pdf
(310 pages)
Specifications of ATMEGA16U2-16AU
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
AVR
Data Bus Width
8 bit
Program Memory Size
16 KB
Data Ram Size
1.25 KB
Data Rom Size
512 B
Program Memory Type
Flash
Factory Pack Quantity
1250
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16. 16-bit Timer/Counter 1 with PWM
16.1
16.2
7799D–AVR–11/10
Features
Overview
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The 16-bit Timer/Counter 1 unit allows accurate program execution timing (event management),
wave generation, and signal timing measurement. Most register and bit references in this sec-
tion are written in general form. A lower case “n” replaces the Timer/Counter number (for this
product, only n=1 is available), and a lower case “x” replaces the Output Compare unit channel.
However, when using the register or bit defines in a program, the precise form must be used,
i.e., TCNT1 for accessing Timer/Counter1 counter value and so on.
A simplified block diagram of the 16-bit Timer/Counter is shown in
placement of I/O pins, see
and I/O pins, are shown in bold. The device-specific I/O Register and bit locations are listed in
the
The Power Reduction Timer/Counter1 bit, PRTIM1, in
page 46
True 16-bit Design (i.e., Allows 16-bit PWM)
Three independent Output Compare Units
Double Buffered Output Compare Registers
One Input Capture Unit
Input Capture Noise Canceler
Clear Timer on Compare Match (Auto Reload)
Glitch-free, Phase Correct Pulse Width Modulator (PWM)
Variable PWM Period
Frequency Generator
External Event Counter
Five independent interrupt sources (TOV1, OCF1A, OCF1B, OCF1C, ICF1)
“16-bit Timer/Counter 1 with PWM” on page
must be written to zero to enable Timer/Counter1 module.
“Pinout” on page
2. CPU accessible I/O Registers, including I/O bits
108.
ATmega8U2/16U2/32U2
“PRR0 – Power Reduction Register 0” on
Figure
16-1. For the actual
108
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