ATMEGA8U2-MU Atmel, ATMEGA8U2-MU Datasheet - Page 20
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ATMEGA8U2-MU
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
11. Datasheet Revision History
11.1
11.2
11.3
11.4
20
Rev. 7799D – 11/10
Rev. 7799C – 12/09
Rev. 7799B – 06/09
Rev. 7799A – 03/09
ATmega8U2/16U2/32U2
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
1.
2.
3.
4.
5.
6.
7.
8.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
1.
1.
Updated the footnote on page 2. Removed the VQFP from the footnote
Updated
Updated
Updated
Added UVCC limits in Electrical Characteristics
Updated
mode)
Updated
Removed Figure 27-26: USB Regulator Consumption with load 75
Updated
Initial revision.
Updated
Added description of
Updated
Updated
Updated
Updated
Updated
Updated
Updated
Added new
Section 20-4 ”Typical Bus powered application with 3.3V I/O” on page
Figure 20-6 on page
Table 21-2 on page
“Electrical Characteristics” on page
“Register Summary” on page
“Typical Characteristics” on page
“Features” on page
Figure 7-2 on page
Figure 20-3 on page 186
“Fuse Bits” on page
“DC Characteristics” on page
Table 26-3 on page
Table 26-4 on page
“Typical Characteristics” on page
“Errata” on page
“AVCC” on page
215. 10: Bulk Type, and 01: Isochronous Type
18.
1.
299.
188. By connecting UVCC to 3V power-supply.
247.
267, by removing Vrst.
268.
and
288. Added DIDR1 (adress: 0x7F)
4.
Figure 20-4 on page
264.
273.
273.
264. Added USB D+ Internal Pull-up (streaming
187.
Ω
vs. Vcc
187.
7799DS–AVR–11/10