ATMEGA8U2-AU Atmel, ATMEGA8U2-AU Datasheet - Page 83
![MCU AVR 8K FLASH 16MHZ 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
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: 83 of 309
- Download datasheet (6Mb)
12.4.8
12.4.9
12.4.10
7799D–AVR–11/10
PORTD – Port D Data Register
DDRD – Port D Data Direction Register
PIND – Port D Input Pins Address
Bit
0x0B (0x2B)
Read/Write
Initial Value
Bit
0x0A (0x2A)
Read/Write
Initial Value
Bit
0x09 (0x29)
Read/Write
Initial Value
PORTD7
PIND7
DDD7
R/W
R/W
R/W
N/A
7
0
7
0
7
PORTD6
PIND6
DDD6
R/W
R/W
R/W
N/A
6
0
6
0
6
PORTD5
PIND5
DDD5
R/W
R/W
R/W
N/A
5
0
5
0
5
PORTD4
PIND4
DDD4
R/W
R/W
R/W
N/A
4
0
4
0
4
PORTD3
ATmega8U2/16U2/32U2
PIND3
DDD3
R/W
R/W
R/W
N/A
3
0
3
0
3
PORTD2
PIND2
DDD2
R/W
R/W
R/W
N/A
2
0
2
0
2
PORTD1
PIND1
DDD1
R/W
R/W
R/W
N/A
1
0
1
0
1
PORTD0
PIND0
DDD0
R/W
R/W
R/W
N/A
0
0
0
0
0
PORTD
DDRD
PIND
83
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