ATmega32U2 Atmel Corporation, ATmega32U2 Datasheet - Page 8

• 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

8
Address
(0xBE)
(0xBD)
(0xBC)
(0xBB)
(0xBA)
(0xAE)
(0xAD)
(0xAC)
(0xAB)
(0xAA)
(0xB9)
(0xB8)
(0xB7)
(0xB6)
(0xB5)
(0xB4)
(0xB3)
(0xB2)
(0xB1)
(0xB0)
(0xAF)
(0xA9)
(0xA8)
(0xA7)
(0xA6)
(0xA5)
(0xA4)
(0xA3)
(0xA2)
(0xA1)
(0xA0)
(0x9F)
(0x9E)
(0x9D)
(0x9C)
(0x9B)
(0x9A)
(0x99)
(0x98)
(0x97)
(0x96)
(0x95)
(0x94)
(0x93)
(0x92)
(0x91)
(0x90)
(0x8F)
(0x8E)
(0x8D)
(0x8C)
(0x8B)
(0x89)
(0x88)
(0x87)
(0x86)
(0x85)
(0x84)
(0x83)
(0x82)
(0x81)
(0x80)
(0x7F)
(0x7E)
(0x7D)
(0x8A)
ATmega8U2/16U2/32U2
Reserved
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OCR1CH
OCR1BH
OCR1AH
OCR1CL
OCR1BL
OCR1AL
TCNT1H
TCCR1C
TCCR1B
TCCR1A
TCNT1L
Name
ACMUX
ICR1H
DIDR1
ICR1L
COM1A1
FOC1A
ICNC1
Bit 7
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COM1A0
FOC1B
Bit 6
ICES1
AIN6D
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COM1B1
FOC1C
Bit 5
AIN5D
Timer/Counter1 - Output Compare Register C High Byte
Timer/Counter1 - Output Compare Register B High Byte
Timer/Counter1 - Output Compare Register A High Byte
Timer/Counter1 - Output Compare Register C Low Byte
Timer/Counter1 - Output Compare Register B Low Byte
Timer/Counter1 - Output Compare Register A Low Byte
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Timer/Counter1 - Input Capture Register High Byte
Timer/Counter1 - Input Capture Register Low Byte
Timer/Counter1 - Counter Register High Byte
Timer/Counter1 - Counter Register Low Byte
COM1B0
WGM13
Bit 4
AIN4D
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COM1C1
WGM12
Bit 3
AIN3D
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COM1C0
CMUX2
Bit 2
AIN2D
CS12
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WGM11
CMUX1
Bit 1
AIN1D
CS11
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WGM10
CMUX0
Bit 0
AIN0D
CS10
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7799DS–AVR–11/10
page 135
page 135
page 135
page 135
page 135
page 135
page 135
page 135
page 134
page 134
page 134
page 133
page 129
page 225
page 225
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