ATMEGA649A-AU Atmel, ATMEGA649A-AU Datasheet - Page 358

• Manufacturer Part Number: ATMEGA649A-AU
• Description: IC MCU AVR 64K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA649A-AU

• 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-TQFP
• Processor Series: ATmega
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, USART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 3
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

28.9
Table 28-19. ADC Characteristics
8284A–AVR–10/10
Symbol
AVCC
V
V
REF
IN
ADC Characteristics – Preliminary Data
Parameter
Resolution
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
Integral Non-Linearity (INL)
Differential Non-Linearity
(DNL)
Gain Error
Offset Error
Conversion Time
Clock Frequency
Analog Supply Voltage
Reference Voltage
Pin Input Voltage
Input Range
Input Bandwidth
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
Single Ended Conversion
Differential Conversion
Single Ended Conversion
V
ADC clock = 200 kHz
Single Ended Conversion
V
ADC clock = 1 MHz
Single Ended Conversion
V
ADC clock = 200 kHz
Noise Reduction Mode
Single Ended Conversion
V
ADC clock = 1 MHz
Noise Reduction Mode
Single Ended Conversion
V
ADC clock = 200 kHz
Single Ended Conversion
V
ADC clock = 200 kHz
Single Ended Conversion
V
ADC clock = 200 kHz
Single Ended Conversion
V
ADC clock = 200 kHz
Free Running Conversion
Single Ended Conversion
Single Ended Conversion
Differential Conversion
Single Ended Channels
Differential Channels
Single Ended Channels
Differential Channels
Single Ended Channels
Differential Channels
REF
REF
REF
REF
REF
REF
REF
REF
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
Condition
CC
CC
CC
CC
CC
CC
CC
CC
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
(1)
-0.85V
V
CC
GND
GND
GND
Min.
1.0
1.0
13
50
- 0.3
REF
1.25
0.25
1.25
38.5
Typ
2.5
2.5
10
4
8
2
2
2
AVCC - 0.5
V
CC
AVCC
AVCC
1000
V
V
V
Max
260
2.5
REF
REF
REF
+ 0.3
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
kHz
kHz
kHz
Bits
Bits
µs
V
V
V
V
V
V
V
358