ATMEGA32U4-16AU ATMEL [ATMEL Corporation], ATMEGA32U4-16AU Datasheet - Page 10

• Manufacturer Part Number: ATMEGA32U4-16AU
• Description: 8-bit Microcontroller with 16/32K Bytes of ISP Flash and USB Controller
• Manufacturer: ATMEL [ATMEL Corporation]

10
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)
ATmega16U4/ATmega32U4
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
OCR3CH
OCR3BH
OCR3AH
OCR1CH
OCR1BH
OCR1AH
OCR3CL
OCR3BL
OCR3AL
TCNT3H
TCCR3C
TCCR3B
TCCR3A
OCR1CL
OCR1BL
OCR1AL
TCNT1H
TCCR1C
TCCR1B
TCCR1A
TWAMR
TCNT3L
TCNT1L
Name
TCNT4
TWCR
TWDR
TWAR
TWSR
TWBR
ICR3H
ICR1H
DIDR1
DIDR0
DIDR2
ICR3L
ICR1L
COM3A1
COM1A1
TWAM6
FOC3A
FOC1A
ADC7D
TWINT
ICNC3
ICNC1
Bit 7
TWA6
TWS7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
COM3A0
COM1A0
TWAM5
ADC6D
FOC1B
Bit 6
TWEA
TWA5
TWS6
ICES3
ICES1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
COM3B1
COM1B1
ADC13D
TWAM4
TWSTA
FOC1C
ADC5D
Bit 5
TWA4
TWS5
Timer/Counter3 - Output Compare Register C High Byte
Timer/Counter3 - Output Compare Register B High Byte
Timer/Counter3 - Output Compare Register A High Byte
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/Counter3 - Output Compare Register C Low Byte
Timer/Counter3 - Output Compare Register B Low Byte
Timer/Counter3 - Output Compare Register A Low 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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Timer/Counter3 - Input Capture Register High Byte
Timer/Counter1 - Input Capture Register High Byte
Timer/Counter3 - Input Capture Register Low Byte
Timer/Counter1 - Input Capture Register Low Byte
Timer/Counter3 - Counter Register High Byte
Timer/Counter1 - Counter Register High Byte
Timer/Counter4 - Counter Register Low Byte
Timer/Counter3 - Counter Register Low Byte
Timer/Counter1 - Counter Register Low Byte
2-wire Serial Interface Bit Rate Register
2-wire Serial Interface Data Register
COM3B0
COM1B0
ADC12D
WGM33
WGM13
TWAM3
TWSTO
ADC4D
Bit 4
TWA3
TWS4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
COM3C1
COM1C1
ADC11D
TWAM2
WGM32
WGM12
TWWC
Bit 3
TWA2
TWS3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
COM3C0
COM1C0
ADC10D
TWAM1
Bit 2
TWEN
TWA1
CS32
CS12
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
WGM31
TWAM0
WGM11
TWPS1
ADC1D
ADC9D
Bit 1
TWA0
CS31
CS11
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TWGCE
WGM30
WGM10
TWPS0
ADC0D
ADC8D
Bit 0
AIN0D
TWIE
CS30
CS10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
7766BS–AVR–07/08
Page