Bigger AVR MCU: ATmega1284P

Content of an ATmega1284P

Atmega chip detector.
Entered programming mode OK.
Signature = 1E 97 05
Processor = ATmega1284P
Flash memory size = 131072
LFuse = 62
HFuse = 99
EFuse = FF
Lock byte = FF
Clock calibration = 81
Bootloader in use: No
EEPROM preserved through erase: No
Watchdog timer always on: No
Bootloader is 8192 bytes starting at 1E000

Bootloader:

1E000: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1E010: 08 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1E020: FF FF FF FF FF FF FF FF FF FF FF 15 FF FE FF FF
1E030: FF FF FF 19 FF FF FF FF FF FF FF FF FF FF FF FF
1E040: FF FF FF FF FF 22 FF FF FF FF FF FF FF 26 FF FF
1E050: FF FF FF FF FF FF FF FF FF FF FF 2D FF FE FF FF
1E060: FF FF FF FF FF FF FF FF 34 FF FF FF FF FF FF FF
1E070: FF FF FF FF FF FE FF FF FF FF FF FF FF FF FF FF
1E080: 40 40 FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1E090: 48 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
...
1FF60: FF B0 FF FF FF FF FF FF B4 FF FF FF FF FF FF FF
1FF70: FF FF FF FF FF FF FF BB FF FF FF FF FF FF FF FF
1FF80: FF FF FF FF FF FF FF FF FF FF C5 FF FF C6 FF FF
1FF90: FF FF FF FF CA FF FF FF FF FF FF FF FF FF FF FF
1FFA0: FF FF FF FF FF FF FF FF FF FF FF FF D6 FF FF FF
1FFB0: FF FF FF FF DA FF FF FF FE DC FF FF FF FF FF FF
1FFC0: FF E0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1FFD0: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1FFE0: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
1FFF0: FF FF FF FF FF FF FF FF FF FF FF FD FE FF FF FF

MD5 sum of bootloader = 73 36 CE 41 5F 73 E3 9E B7 C1 E2 9D C5 D1 3E B6

First 256 bytes of program memory:

0: FF 81 FF FF FF FF FF FF FF FF FF FF FF FF FF FF
10: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
20: FF FF FF 11 FF FF FF FF 14 FF FF FF FF 16 17 FF
30: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
40: FF FF FF FF FF FF 23 FF FF FF FF FF FF FF FF FF
50: FF FF FF FF FF FF FF FF FF FF FF 2D FF FF FF FF
60: FF FF FF FF FF FF FF FF FF FF FF 35 FF FF FF FF
70: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
80: FF FF FF FF FF 42 FF FF FF FF FF FF FF FF FF FF
90: 48 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
A0: FF FF FF 51 FF FF FF FF FF FF FF FF FF FF FF 57
B0: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
C0: FF FF FF FF FF FF 63 FF FF FF FF FF FF FF FF FF
D0: FF FF FF FF FF FF FF FF FF FF 6D FF FF FF FF FF
E0: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
F0: FF FF FF FF FF FF 7B FF FF FE FF FF FF FF FF FF

Fuses of an Arduino UNO

Atmega fuse calculator.
Written by Nick Gammon.
Entered programming mode OK.
Signature = 0x1E 0x95 0x0F
Processor = ATmega328P
Flash memory size = 32768
LFuse = 0xFF
HFuse = 0xD6
EFuse = 0xFD
Lock byte = 0xCF
Clock calibration = 0x95
External Reset Disable.................. [ ]
Debug Wire Enable....................... [ ]
Enable Serial1 (ICSP) Programming....... [X]
Watchdog Timer Always On................ [ ]
Preserve EEPROM through chip erase...... [X]
Boot into bootloader.................... [X]
Divide clock by 8....................... [ ]
Clock output............................ [ ]
Bootloader size: 512 bytes.
Start-up time: SUT0: [ ]  SUT1: [ ] (see datasheet)
Clock source: low-power crystal.
Brownout detection at: 2.7V.