AT90USB646-MUR Atmel, AT90USB646-MUR Datasheet - Page 406

• Manufacturer Part Number: AT90USB646-MUR
• Description: MCU AVR 64K FLASH 16MHZ 64QFN
• Manufacturer: Atmel
• Series: AVR® 90USBr

Specifications of AT90USB646-MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART, USB, USB OTG
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 48
• Program Memory Size: 64KB (64K x 8)
• 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: 64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 48
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 30-5.
406
Symbol
AVCC
R
V
V
V
R
V
REF
INT1
INT2
REF
AIN
IN
AT90USB64/128
Parameter
Analog Supply Voltage
Reference Voltage
Input Voltage
Input Bandwidth
Internal Voltage Reference
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
ADC Characteristics (Continued)
Condition
Single Ended Conversion
Differential Conversion
Single ended channels
Differential Conversion
Single Ended Channels
Differential Channels
1.1V
2.56V
V
CC
Min
2.0
2.0
1.0
2.4
0
0
- 0.3
38,5
2.56
Typ
100
1.1
32
4
AVCC - 0.5
V
CC
AVCC
AVCC
V
Max
1.2
2.8
REF
+ 0.3
7593K–AVR–11/09
Units
kHz
kHz
MΩ
kΩ
V
V
V
V
V
V
V