ATmega32U2 Atmel Corporation, ATmega32U2 Datasheet - Page 277

• Manufacturer Part Number: ATmega32U2
• 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

27.4
7799D–AVR–11/10
Pin Pull-Up
Figure 27-8. I/O Pin Pull-up Resistor Current vs. Input Voltage (V
Figure 27-9. Reset Pull-up Resistor Current vs. Reset Pin Voltage (V
120
100
150
125
100
80
60
40
20
75
50
25
0
0
0
0
0.5
0.5
1
1
1.5
1.5
2
2
V
V
RESET
OP
2.5
2.5
(V)
(V)
ATmega8U2/16U2/32U2
3
3
3.5
3.5
CC
4
4
= 5 V)
CC
4.5
= 5 V)
4.5
5
5
-40 °C
-40 °C
25 °C
85 °C
25 °C
85 °C
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