ATMEGA3290P-20AUR Atmel, ATMEGA3290P-20AUR Datasheet - Page 341

• 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

Table 28-11. ADC Characteristics
Notes:
28.11 LCD Controller Characteristics
Table 28-12. LCD Controller Characteristics
8021G–AVR–03/11
I
R
R
Symbol
LCD
Symbol
SEG
COM
R
R
V
REF
AIN
INT
1. Voltage difference between channels
Parameter
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
Parameter
LCD Driver Current
Segment Driver Output Impedance
Blackplane Driver Output Impedance
Condition
Total for All COM and SEG pins
Condition
Min.
1.0
ATmega329P/3290P
Typ
100
1.1
32
Min.
Typ
10
6
2
Max
1.2
Max
Units
MΩ
kΩ
Units
V
µA
kΩ
kΩ
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