ATMEGA3290P-20AU Atmel, ATMEGA3290P-20AU Datasheet - Page 32
![IC MCU 32K 4X40 LCD CTRL 100TQFP](/photos/6/70/67048/313-100-tqfp_sml.jpg)
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
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Part Number
Manufacturer
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Price
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8.7
8021G–AVR–03/11
External Clock
When this Oscillator is used as the chip clock, the Watchdog Oscillator will still be used for the
Watchdog Timer and for the Reset Time-out. For more information on the pre-programmed cali-
bration value, see the section
Table 8-9.
Notes:
When this Oscillator is selected, start-up times are determined by the SUT Fuses as shown in
Table 8-10 on page
Table 8-10.
Note:
To drive the device from an external clock source, XTAL1 should be driven as shown in
8-3 on page
to “0000”.
Figure 8-3.
When this clock source is selected, start-up times are determined by the SUT Fuses as shown in
Table 8-12 on page
Table 8-11.
Power Conditions
BOD enabled
Fast rising power
Slowly rising power
ATmega329P/3290P
1. The device is shipped with this option selected.
2. The frequency ranges are preliminary values.
3. If 8MHz frequency exceeds the specification of the device (depends on V
1. The device is shipped with this option selected
Fuse can be programmed in order to divide the internal frequency by 8.
32. To run the device on an external clock, the CKSEL Fuses must be programmed
Internal Calibrated RC Oscillator Operating Modes
Start-up times for the internal calibrated RC Oscillator clock selection
External Clock Drive Configuration
Crystal Oscillator Clock Frequency
Frequency Range
32.
33.
7.3 - 8.1
EXTERNAL
SIGNAL
CLOCK
Start-up Time from Power-
”Calibration Byte” on page
down and Power-save
NC
(2)
(MHz)
Reserved
6 CK
6 CK
6 CK
CKSEL3...0
0000
.
XTAL2
XTAL1
GND
299.
ATmega329P/3290P
Additional Delay from
Reset (V
14CK + 65 ms
14CK + 4.1 ms
(1)(3)
14CK
Frequency Range
0 - 20MHz
CC
CKSEL3...0
= 5.0V)
0010
CC
(1)
), the CKDIV8
SUT1...0
00
01
10
11
Figure
32
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