ATMEGA8U2-AU Atmel, ATMEGA8U2-AU Datasheet - Page 268

• Manufacturer Part Number: ATMEGA8U2-AU
• Description: MCU AVR 8K FLASH 16MHZ 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8U2-AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Processor Series: ATmega
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SPI, USART, USB
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 2
• Operating Supply Voltage: 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Table 26-4.
Note:
26.6
Table 26-5.
7799D–AVR–11/10
Symbol
t
INT
1. The test is performed using BODLEVEL = 000 and 110.
External Interrupts Characteristics
BODLEVEL Fuse Coding
Asynchronous External Interrupt Characteristics
Parameter
Minimum pulse width for asynchronous external
interrupt
BODLEVEL 2..0 Fuses
101
100
010
001
000
111
110
011
Condition
Min V
2.5
4.1
BOT
ATmega8U2/16U2/32U2
(1)
RESERVED
RESERVED
Min
Typ V
2.7
3.0
3.5
4.0
4.3
BOD Disabled
BOT
Typ
50
Max V
2.9
4.5
Max
BOT
(1)
Units
Units
ns
V
268