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ATMEGA32U4 Datasheet(PDF) 3 Page - ATMEL Corporation

Part No. ATMEGA32U4
Description  8-bit Microcontroller with 16/32K Bytes of ISP Flash and USB Controller
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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ATMEGA32U4 Datasheet(HTML) 3 Page - ATMEL Corporation

 
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3
7766BS–AVR–07/08
ATmega16U4/ATmega32U4
1.
Pin Configurations
Figure 1-1.
Pinout ATmega16U4/ATmega32U4
1.1
Disclaimer
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.
2.
Overview
The ATmega16U4/ATmega32U4 is a low-power CMOS 8-bit microcontroller based on the AVR
enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the
ATmega16U4/ATmega32U4 achieves throughputs approaching 1 MIPS per MHz allowing the
system designer to optimize power consumption versus processing speed.
AT90USB324
44-pin QFN/TQFP
UVcc
D-
D+
UGnd
UCap
VBus
(SS/PCINT0) PB0
(INT.6/AIN.0) PE6
(PCINT1/SCLK) PB1
(PDI/PCINT2/MOSI) PB2
(PDO/PCINT3/MISO) PB3
PE2 (HWB)
PC7 (ICP3/CLK0/OC4A)
PC6 (OC3A/OC4A)
PB6 (PCINT6/OC1B/OC4B/ADC13)
PB4 (PCINT4/OC2A/ADC11)
PD7 (T0/OC4D/ADC10)
PD6 (T1/OC4D/ADC9)
PD4 (ICP1/ADC8)
INDEX CORNER
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
PB5 (PCINT5/OC1A/OC4B/ADC12)
AVCC
GND


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