ATmega16M1 Atmel Corporation, ATmega16M1 Datasheet - Page 54

• Manufacturer Part Number: ATmega16M1
• Manufacturer: Atmel Corporation

Specifications of ATmega16M1

• Flash (kbytes): 16 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: 27
• Ext Interrupts: 27
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 1
• Can: 1
• Lin: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 4
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 1
• Eeprom (bytes): 512
• 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: 14
• Input Capture Channels: 1
• Pwm Channels: 10
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

54
ATmega16M1/32M1/64M1
Table 11-1.
Notes:
Table 11-2
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.
Table 11-2.
Note:
The most typical and general program setup for the Reset and Interrupt Vector Addresses in
ATmega16M1/32M1/64M1 is:
Vector
BOOTRST
No.
29
30
31
Address Labels Code
0x000
0x002
0x004
0x006
0x008
0x00A
0x00C
0x00E
0x010
0x012
0x014
0x016
0x018
0x01A
0x01C
1
1
0
0
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
1. The Boot Reset Address is shown in
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
means unprogrammed while “0” means programmed
shows reset and Interrupt Vectors placement for the various combinations of
Program
Address
0x003C
0x003A
0x0038
Reset and Interrupt Vectors
Reset and Interrupt Vectors Placement in ATmega16M1/32M1/64M1
IVSEL
“Boot Loader Support – Read-While-Write Self-Programming” on page 270
0
1
0
1
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
Source
WDT
EE READY
SPM READY
Reset Address
0x000
0x000
Boot Reset Address
Boot Reset Address
RESET
ANA_COMP_0
ANA_COMP_1
ANA_COMP_2
ANA_COMP_3
PSC_FAULT
PSC_EC
EXT_INT0
EXT_INT1
EXT_INT2
EXT_INT3
TIM1_CAPT
TIM1_COMPA
TIM1_COMPB
TIM1_OVF
Table 26-4 on page
Interrupt Definition
Watchdog Time-Out Interrupt
EEPROM Ready
Store Program Memory Ready
Comments
; Reset Handler
; Analog Comparator 0 Handler
; Analog Comparator 1 Handler
; Analog Comparator 2 Handler
; Analog Comparator 3 Handler
; PSC Fault Handler
; PSC End of Cycle Handler
; IRQ0 Handler
; IRQ1 Handler
; IRQ2 Handler
; IRQ3 Handler
; Timer1 Capture Handler
; Timer1 Compare A Handler
; Timer1 Compare B Handler
; Timer1 Overflow Handler
Interrupt Vectors Start Address
0x001
Boot Reset Address + 0x002
0x001
Boot Reset Address + 0x002
275. For the BOOTRST Fuse “1”
8209D–AVR–11/10
(1)