atmega32u4-16mu ATMEL Corporation, atmega32u4-16mu Datasheet - Page 60

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atmega32u4-16mu

Manufacturer Part Number
atmega32u4-16mu
Description
Atmega32u4 8-bit Avr Microcontroller With 32k Bytes Of Isp Flash And Usb Controller
Manufacturer
ATMEL Corporation
Datasheet
60
ATmega32U4
Table 9-1.
Notes:
Table 9-2
BOOTRST and IVSEL settings. If the program never enables an interrupt source, the Interrupt
Vectors are not used, and regular program code can be placed at these locations. This is also
the case if the Reset Vector is in the Application section while the Interrupt Vectors are in the
Boot section or vice versa.
Vector
No.
30
31
32
33
34
35
36
37
38
39
40
41
42
43
1. When the BOOTRST Fuse is programmed, the device will jump to the Boot Loader address at
2. When the IVSEL bit in MCUCR is set, Interrupt Vectors will be moved to the start of the Boot
Address
Program
reset, see
Flash Section. The address of each Interrupt Vector will then be the address in this table
added to the start address of the Boot Flash Section.
shows reset and Interrupt Vectors placement for the various combinations of
$003C
$003A
$003E
$004A
$004C
$004E
$0040
$0042
$0044
$0046
$0048
$0050
$0052
$0054
Reset and Interrupt Vectors (Continued)
(2)
“Memory Programming” on page
EE READY
Source
ADC
TIMER3 CAPT
TIMER3 COMPA
TIMER3 COMPB
TIMER3 COMPC
TIMER3 OVF
TWI
SPM READY
TIMER4 COMPA
TIMER4 COMPB
TIMER4 COMPD
TIMER4 OVF
TIMER4 FPF
Interrupt Definition
ADC Conversion Complete
EEPROM Ready
Timer/Counter3 Capture Event
Timer/Counter3 Compare Match A
Timer/Counter3 Compare Match B
Timer/Counter3 Compare Match C
Timer/Counter3 Overflow
2-wire Serial Interface
Store Program Memory Ready
Timer/Counter4 Compare Match A
Timer/Counter4 Compare Match B
Timer/Counter4 Compare Match D
Timer/Counter4 Overflow
Timer/Counter4
365.
Fault Protection Interrupt
7766A–AVR–03/08

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