ATMEGA3290P-20AUR Atmel, ATMEGA3290P-20AUR Datasheet - Page 423
![MCU AVR 32K FLASH 20MHZ 64TQFP](/photos/6/70/67048/313-100-tqfp_sml.jpg)
ATMEGA3290P-20AUR
Manufacturer Part Number
ATMEGA3290P-20AUR
Description
MCU AVR 32K FLASH 20MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA3290P-20AUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
69
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)
2.7 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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8021G–AVR–03/11
18 SPI – Serial Peripheral Interface ......................................................... 160
19 USART0 ................................................................................................. 170
20 USI – Universal Serial Interface .......................................................... 198
21 Analog Comparator ............................................................................. 210
22 Analog to Digital Converter ................................................................ 213
17.10Register Description ..........................................................................................155
18.1Features ..............................................................................................................160
18.2Overview .............................................................................................................160
18.3SS Pin Functionality ............................................................................................165
18.4Data Modes .........................................................................................................165
18.5Register Description ............................................................................................167
19.1Features ..............................................................................................................170
19.2Overview .............................................................................................................170
19.3Clock Generation .................................................................................................172
19.4Frame Formats ....................................................................................................175
19.5USART Initialization ............................................................................................176
19.6Data Transmission – The USART Transmitter ....................................................178
19.7Data Reception – The USART Receiver .............................................................180
19.8Asynchronous Data Reception ............................................................................184
19.9Multi-processor Communication Mode ................................................................187
19.10Register Description ..........................................................................................189
19.11Examples of Baud Rate Setting ........................................................................193
20.1Features ..............................................................................................................198
20.2Overview .............................................................................................................198
20.3Functional Descriptions .......................................................................................199
20.4Alternative USI Usage .........................................................................................205
20.5Register Description ............................................................................................206
21.1Overview .............................................................................................................210
21.2Analog Comparator Multiplexed Input .................................................................210
21.3Register Description ............................................................................................211
22.1Features ..............................................................................................................213
22.2Overview .............................................................................................................213
22.3Operation .............................................................................................................214
22.4Starting a Conversion ..........................................................................................215
ATmega329P/3290P
iv
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