ATmega16A Atmel Corporation, ATmega16A Datasheet - Page 46

• Manufacturer Part Number: ATmega16A
• Manufacturer: Atmel Corporation

Specifications of ATmega16A

• Flash (kbytes): 16 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• 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: 3
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

46
ATmega16A
When the BOOTRST Fuse is unprogrammed, the Boot section size set to 2K bytes and the
IVSEL bit in the GICR Register is set before any interrupts are enabled, the most typical and
general program setup for the Reset and Interrupt Vector Addresses is:
When the BOOTRST Fuse is programmed and the Boot section size set to 2K bytes, the most
typical and general program setup for the Reset and Interrupt Vector Addresses is:
When the BOOTRST Fuse is programmed, the Boot section size set to 2K bytes and the IVSEL
bit in the GICR Register is set before any interrupts are enabled, the most typical and general
program setup for the Reset and Interrupt Vector Addresses is:
Address Labels
$000
$001
$002
$003
$004
$005
;
.org $1C02
$1C02
$1C04
:.
$1C28
Address Labels
.org $002
$002
$004
:.
$028
;
.org $1C00
$1C00
$1C01
$1C02
$1C03
$1C04
$1C05
Address Labels
.org $1C00
$1C00
$1C02
$1C04
:.
$1C28
;
$1C2A
$1C2B
RESET:
:..
:..
RESET:
:..
RESET:
ldi
Code
ldi
out
out
sei
<instr>
jmp
jmp
:
jmp
jmp
jmp
:
jmp
ldi
out
ldi
out
sei
<instr>
Code
jmp
jmp
jmp
:
jmp
ldi
out
r16,low(RAMEND)
r16,high(RAMEND); Main program start
SPH,r16
SPL,r16
EXT_INT0
EXT_INT1
SPM_RDY
Code
EXT_INT0
EXT_INT1
SPM_RDY
r16,high(RAMEND); Main program start
SPH,r16
r16,low(RAMEND)
SPL,r16
RESET
EXT_INT0
EXT_INT1
SPM_RDY
r16,high(RAMEND); Main program start
SPH,r16
xxx
xxx
; Reset handler
; IRQ0 Handler
; IRQ1 Handler
;
; Store Program Memory Ready Handler
Comments
; Set Stack Pointer to top of RAM
; Enable interrupts
; IRQ0 Handler
; IRQ1 Handler
;
; Store Program Memory Ready Handler
; IRQ0 Handler
; IRQ1 Handler
;
; Store Program Memory Ready Handler
; Set Stack Pointer to top of RAM
; Enable interrupts
; Set Stack Pointer to top of RAM
Comments
Comments
8154B–AVR–07/09