ATmega3290P Atmel Corporation, ATmega3290P Datasheet - Page 8
ATmega3290P
Manufacturer Part Number
ATmega3290P
Description
Manufacturer
Atmel Corporation
Specifications of ATmega3290P
Flash (kbytes)
32 Kbytes
Pin Count
100
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
160
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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Price
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2.3.12
2.3.13
2.3.14
2.3.15
2.3.16
2.3.17
8021G–AVR–03/11
RESET
XTAL1
XTAL2
AVCC
AREF
LCDCAP
Reset input. A low level on this pin for longer than the minimum pulse length will generate a
reset, even if the clock is not running. The minimum pulse length is given in
Characteristics” on page
Input to the inverting Oscillator amplifier and input to the internal clock operating circuit.
Output from the inverting Oscillator amplifier.
AVCC is the supply voltage pin for Port F and the A/D Converter. It should be externally con-
nected to V
through a low-pass filter.
This is the analog reference pin for the A/D Converter.
An external capacitor (typical > 470nF) must be connected to the LCDCAP pin as shown in
ure
as a reservoir for LCD power (V
the time until V
23-2, if the LCD module is enabled and configured to use internal power. This capacitor acts
CC
, even if the ADC is not used. If the ADC is used, it should be connected to V
LCD
reaches its target value.
336. Shorter pulses are not guaranteed to generate a reset.
LCD
). A large capacitance reduces ripple on V
ATmega329P/3290P
”System and Reset
LCD
but increases
Fig-
CC
8
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