ATmega32U2 Atmel Corporation, ATmega32U2 Datasheet - Page 2
ATmega32U2
Manufacturer Part Number
ATmega32U2
Description
Manufacturer
Atmel Corporation
Specifications of ATmega32U2
Flash (kbytes)
32 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
Hardware Qtouch Acquisition
No
Max I/o Pins
22
Ext Interrupts
20
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
5
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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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
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