ATMEGA3290P-20AUR Atmel, ATMEGA3290P-20AUR Datasheet - Page 71
![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
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Part Number
Manufacturer
Quantity
Price
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13.3.1
8021G–AVR–03/11
Alternate Functions of Port A
The Port A has an alternate function as COM0:3 and SEG0:3 for the LCD Controller.
Table 13-3.
Table 13-4
shown in
Table 13-4.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Figure 13-5 on page
and
Port A Pins Alternate Functions
Overriding Signals for Alternate Functions in PA7:PA4
Table 13-5
Alternate Function
SEG (LCD Front Plane 3)
SEG (LCD Front Plane 2)
SEG (LCD Front Plane 1)
SEG (LCD Front Plane 0)
COM (LCD Back Plane 3)
COM (LCD Back Plane 2)
COM (LCD Back Plane 1)
COM (LCD Back Plane 0)
PA7/SEG3
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
relates the alternate functions of Port A to the overriding signals
69.
PA6/SEG2
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
PA5/SEG1
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
ATmega329P/3290P
PA4/SEG0
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
71
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