ATMEGA329PV-10AUR Atmel, ATMEGA329PV-10AUR Datasheet - Page 141
![MCU AVR 32K FLASH 10MHZ 100TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA329PV-10AUR
Manufacturer Part Number
ATMEGA329PV-10AUR
Description
MCU AVR 32K FLASH 10MHZ 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA329PV-10AUR
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
54
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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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17. 8-bit Timer/Counter2 with PWM and Asynchronous Operation
17.1
17.2
17.2.1
8021G–AVR–03/11
Features
Overview
Registers
•
•
•
•
•
•
•
Timer/Counter2 is a general purpose, single compare unit, 8-bit Timer/Counter module. A simpli-
fied block diagram of the 8-bit Timer/Counter is shown in
of I/O pins, refer to
on page
device-specific I/O Register and bit locations are listed in the
155.
Figure 17-1. 8-bit Timer/Counter Block Diagram
The Timer/Counter (TCNT2) and Output Compare Register (OCR2A) are 8-bit registers. Inter-
rupt request (shorten as Int.Req.) signals are all visible in the Timer Interrupt Flag Register
Single Compare Unit Counter
Clear Timer on Compare Match (Auto Reload)
Glitch-free, Phase Correct Pulse Width Modulator (PWM)
Frequency Generator
10-bit Clock Prescaler
Overflow and Compare Match Interrupt Sources (TOV2 and OCF2A)
Allows Clocking from External 32kHz Watch Crystal Independent of the I/O Clock
3. CPU accessible I/O Registers, including I/O bits and I/O pins, are shown in bold. The
Status flags
”MLF/ Pinout ATmega329P” on page 2
Timer/Counter
TCNTn
OCRnx
=
ASSRn
direction
count
clear
BOTTOM
Synchronized Status flags
= 0
Control Logic
=
TCCRnx
TOP
asynchronous mode
0xFF
select (ASn)
clk
Tn
Synchronization Unit
OCnx
(Int.Req.)
ATmega329P/3290P
Figure
Generation
Prescaler
Waveform
and
”Register Description” on page
”TQFP / Pinout ATmega3290P”
17-1. For the actual placement
Oscillator
T/C
OCnx
clk
TOVn
(Int.Req.)
clk
clk
ASY
I/O
I/O
TOSC1
TOSC2
141
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