ATMEGA3290P-20AU Atmel, ATMEGA3290P-20AU Datasheet - Page 299
ATMEGA3290P-20AU
Manufacturer Part Number
ATMEGA3290P-20AU
Description
IC MCU 32K 4X40 LCD CTRL 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA3290P-20AU
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
100-TQFP, 100-VQFP
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SPI, USART, USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
69
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
100TQFP
Device Core
AVR
Family Name
ATmega
Maximum Speed
20 MHz
Operating Supply Voltage
3.3|5 V
Controller Family/series
AVR MEGA
No. Of I/o's
69
Eeprom Memory Size
1KB
Ram Memory Size
2KB
Cpu Speed
20MHz
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK504 - STARTER KIT AVR EXP MOD 100P LCDATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA3290P-16AU
ATMEGA3290P-16AU
ATMEGA3290P-16AU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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27.2.1
27.3
27.4
27.5
27.6
8021G–AVR–03/11
Signature Bytes
Calibration Byte
Page Size
Parallel Programming Parameters, Pin Mapping, and Commands
Latching of Fuses
The fuse values are latched when the device enters programming mode and changes of the
fuse values will have no effect until the part leaves Programming mode. This does not apply to
the EESAVE Fuse which will take effect once it is programmed. The fuses are also latched on
Power-up in Normal mode.
All Atmel microcontrollers have a three-byte signature code which identifies the device. This
code can be read in both serial and parallel mode, also when the device is locked. The three
bytes reside in a separate address space. For the ATmega329P/3290P the signature bytes are
given in
Table 27-6.
The ATmega329P/3290P has a byte calibration value for the internal RC Oscillator. This byte
resides in the high byte of address 0x000 in the signature address space. During reset, this byte
is automatically written into the OSCCAL Register to ensure correct frequency of the calibrated
RC Oscillator.
Table 27-7.
Table 27-8.
This section describes how to parallel program and verify Flash Program memory, EEPROM
Data memory, Memory Lock bits, and Fuse bits in the ATmega329P/3290P. Pulses are
assumed to be at least 250ns unless otherwise noted.
Part
ATmega329P
ATmega3290P
EEPROM Size
Flash Size
(32Kbytes)
16K words
1Kbytes
Table
27-6.
Device and JTAG ID
No. of Words in a Page and No. of Pages in the Flash
No. of Words in a Page and No. of Pages in the EEPROM
0x000
0x1E
0x1E
Page Size
Page Size
64 words
4bytes
Signature Bytes
0x001
0x95
0x95
PCWORD
PCWORD
EEA[1:0]
PC[5:0]
0x002
0x0B
0x0C
No. of Pages
No. of Pages
ATmega329P/3290P
Part Number
256
256
950B
950C
EEA[13:2]
PCPAGE
PC[13:6]
PCPAGE
JTAG
Manufacture ID
0x1F
0x1F
EEAMSB
PCMSB
13
13
299
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