ATMEGA8U2-MU Atmel, ATMEGA8U2-MU Datasheet - Page 2

• Manufacturer Part Number: ATMEGA8U2-MU
• Description: MCU AVR 8K FLASH USB 32-VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8U2-MU

• 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-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Processor Series: ATMEGA8x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: SPI, UART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 2
• 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
• Package: 32QFN EP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 16 MHz
• Operating Supply Voltage: 3.3|5 V
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

1. Pin Configurations
Figure 1-1.
1.1
7799D–AVR–11/10
(RXD1 / AIN1 / INT2) PD2
(PCINT11 / AIN2 ) PC2
(OC.0B / INT0) PD0
(AIN0 / INT1) PD1
Disclaimer
(PC0) XTAL2
Pinout
XTAL1
GND
VCC
1
2
3
4
5
6
7
8
32
9
31
10
Note:
Typical values contained in this datasheet are based on simulations and characterization of
other AVR microcontrollers manufactured on the same process technology. Min and Max values
will be available after the device is characterized.
30
11
QFN32
12
29
28 27 26
13 14 15
The large center pad underneath the QFN package should be soldered to ground on the board to
ensure good mechanical stability.
25
16
24
23
22
21
20
19
18
17
Reset (PC1 / dW)
PC6 (OC.1A / PCINT8)
PB7 (PCINT7 / OC.0A / OC.1C)
PB6 (PCINT6)
PB5 (PCINT5)
PB4 (T1 / PCINT4)
PB3 (PDO / MISO / PCINT3)
PC7 (INT4 / ICP1 / CLKO)
(RXD1 / AIN1 / INT2) PD2
(PCINT11 /AIN2 ) PC2
(OC.0B / INT0) PD0
(AIN0 / INT1) PD1
(PC0) XTAL2
XTAL1
GND
VCC
1
2
3
4
5
6
7
8
32
9
ATmega8U2/16U2/32U2
10
31
VQFP32
30
11
29
12
13 14 15
28 27 26
16
25
24
23
22
21
20
19
18
17
Reset (PC1 / dW)
PC6 (OC.1A / PCINT8)
PB7 (PCINT7 / OC.0A / OC.1C)
PB6 (PCINT6)
PB5 (PCINT5)
PB4 (T1 / PCINT4)
PB3 (PDO / MISO / PCINT3)
PC7 (INT4 / ICP1 / CLKO)
2