ATmega32U4 Atmel Corporation, ATmega32U4 Datasheet - Page 414

• Manufacturer Part Number: ATmega32U4
• Manufacturer: Atmel Corporation

Specifications of ATmega32U4

• Flash (kbytes): 32 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 14
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 26
• Ext Interrupts: 13
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 12
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 3.3
• 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: 4
• Output Compare Channels: 12
• Input Capture Channels: 2
• Pwm Channels: 8
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

7766F–AVR–11/10
Mnemonics
BREAK
SLEEP
PUSH
WDR
SPM
OUT
POP
NOP
IN
Operands
Rd, P
P, Rr
Rd
Rr
MCU CONTROL INSTRUCTIONS
Pop Register from Stack
Store Program Memory
Push Register on Stack
Watchdog Reset
Description
No Operation
Out Port
In Port
Break
Sleep
(see specific description for Sleep function)
(see specific description for WDR/timer)
For On-chip Debug Only
Rd ← STACK
STACK ← Rr
Operation
(Z) ← R1:R0
Rd ← P
P ← Rr
ATmega16/32U4
Flags
None
None
None
None
None
None
None
None
None
#Clocks
N/A
1
1
2
2
1
1
1
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