ATMEGA649-16MUR Atmel, ATMEGA649-16MUR Datasheet - Page 334

• Manufacturer Part Number: ATMEGA649-16MUR
• Description: MCU AVR 64KB FLASH 16MHZ 64QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA649-16MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K 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 28-7.
Note:
28.8
Table 28-8.
334
I
R
R
Symbol
LCD
Symbol
SEG
COM
R
R
V
REF
INT
AIN
1. Voltage difference between channels.
LCD Controller Characteristics
ATmega329/3290/649/6490
Parameter
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
Parameter
LCD Driver Current
Segment Driver Output Impedance
Blackplane Driver Output Impedance
ADC Characteristics (Continued)
LCD Controller Characteristics
Condition
Total for All COM and SEG pins
Condition
Min
1.0
Typ
100
1.1
32
Min.
Typ
10
6
2
Max
1.2
Max
2552K–AVR–04/11
Units
Units
MΩ
kΩ
V
kΩ
µA
kΩ