ATMEGA3290P-20AUR Atmel, ATMEGA3290P-20AUR Datasheet - Page 301
![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
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Part Number
Manufacturer
Quantity
Price
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8021G–AVR–03/11
Table 27-10. Pin Values Used to Enter Programming Mode
Table 27-11. XA1 and XA0 Coding
Table 27-12. Command Byte Bit Coding
Table 27-13. No. of Words in a Page and No. of Pages in the Flash
Table 27-14. No. of Words in a Page and No. of Pages in the EEPROM
XA1
EEPROM Size
0
0
1
1
Flash Size
(32Kbytes)
16K words
Command Byte
1Kbytes
1000 0000
0100 0000
0010 0000
0001 0000
0001 0001
0000 1000
0000 0100
0000 0010
0000 0011
PAGEL
XA1
XA0
BS1
Pin
XA0
0
1
0
1
Page Size
Page Size
64 words
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte determined by
BS1).
Load Data (High or Low data byte for Flash determined by BS1).
Load Command
No Action, Idle
4bytes
Command Executed
Chip Erase
Write Fuse bits
Write Lock bits
Write Flash
Write EEPROM
Read Signature Bytes and Calibration byte
Read Fuse and Lock bits
Read Flash
Read EEPROM
PCWORD
PCWORD
EEA[1:0]
PC[5:0]
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
Symbol
No. of Pages
No. of Pages
ATmega329P/3290P
256
256
EEA[13:2]
PCPAGE
PC[13:6]
PCPAGE
Value
0
0
0
0
EEAMSB
PCMSB
13
13
301
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