ATMEGA8U2-AU Atmel, ATMEGA8U2-AU Datasheet - Page 187
ATMEGA8U2-AU
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA8U2-AU
Manufacturer:
Atmel
Quantity:
2 772
Part Number:
ATMEGA8U2-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 187 of 309
- Download datasheet (6Mb)
20.3.2
7799D–AVR–11/10
Self Powered device
Figure 20-4. Typical Bus powered application with 3.3V I/O
Figure 20-5. Typical Self powered application with 4.0V to 5.5V I/O.
VBUS
UVSS
UDP
UDM
UID
VBUS
UVSS
UDM
UDP
Rs=22
Rs=22
1µF
UCAP
VBUS
UGND
D+
D-
UID
1µF
UVCC
XTAL1
XTAL2
UCAP
UVCC
UVSS
D+
D-
VSS
AVCC
ATmega8U2/16U2/32U2
XTAL1
GND
VCC
XTAL2
VCC
GND
AVCC
External 3.4V - 5.5V
Power Supply
187
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