ATMEGA649P-MUR Atmel, ATMEGA649P-MUR Datasheet - Page 359

• Manufacturer Part Number: ATMEGA649P-MUR
• Description: AVR, 64KB FLASH, 2KB EE, 4KB SRA
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA649P-MUR

• 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: 54
• 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): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 28-19. ADC Characteristics
Notes:
28.10 LCD Controller Characteristics
Table 28-20. LCD Controller Characteristics
8284A–AVR–10/10
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
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
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
Units
MΩ
kΩ
Units
V
µA
kΩ
kΩ
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