ATmega3290A Atmel Corporation, ATmega3290A Datasheet - Page 89
ATmega3290A
Manufacturer Part Number
ATmega3290A
Description
Manufacturer
Atmel Corporation
Specifications of ATmega3290A
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
No
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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8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Table 14-25
shown in
Table 14-25. Overriding Signals for Alternate Functions in PH7:4
1.
2.
Table 14-26. Overriding Signals for Alternate Functions in PH3:0
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
(1)
(2)
Applies to ATmega169A/169PA
Applies to ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P
Figure 14-5 on page
and
(ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P)
PH7/PCINT23/
SEG36
LCDEN
0
LCDEN
0
0
0
–
PCINT23 • PCIE0
•LCDEN • LCDPM
PCINT23 INPUT
SEG24
LCDSEG
PH3/PCINT19/
SEG7
LCDEN
0
LCDEN
0
0
0
–
PCINT19 • PCIE0
•LCDEN • LCDPM
PCINT19 INPUT
LCDSEG
Table 14-26
relates the alternate functions of Port H to the overriding signals
72.
PH6/PCINT22/
SEG37
LCDEN
0
LCDEN
0
0
0
–
PCINT22 • PCIE0
•LCDEN • LCDPM
PCINT22 INPUT
SEG4
LCDSEG
PH2/PCINT18/
SEG8
LCDEN
0
LCDEN
0
0
0
–
PCINT18 • PCIE0
•LCDEN • LCDPM
PCINT18 INPUT
LCDSEG
PH5/PCINT21/
SEG38
LCDEN
0
LCDEN
0
0
0
–
PCINT21 • PCIE0
•LCDEN • LCDPM
PCINT21 INPUT
SEG13
LCDSEG
PH1/PCINT17/
SEG9
LCDEN
0
LCDEN
0
0
0
–
PCINT17 • PCIE0
•LCDEN • LCDPM
PCINT17 INPUT
LCDSEG
PH4/PCINT20/
SEG39
LCDEN
0
LCDEN
0
0
0
–
PCINT20 • PCIE0
•LCDEN • LCDPM
PCINT20 INPUT
SEG14
LCDSEG
PH0/PCINT16/
SEG10
LCDEN
0
LCDEN
0
0
0
–
PCINT16 • PCIE0
•LCDEN • LCDPM
PCINT16 INPUT
LCDSEG
89
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