ATMEGA6490-16AI Atmel, ATMEGA6490-16AI Datasheet - Page 51

• Manufacturer Part Number: ATMEGA6490-16AI
• Description: IC AVR MCU FLASH 64K 5V 100TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA6490-16AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 68
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• For Use With: ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFPATSTK504 - STARTER KIT AVR EXP MOD 100P LCD
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

2552K–AVR–04/11
When the BOOTRST Fuse is unprogrammed, the Boot section size set to 4K bytes and the
IVSEL bit in the MCUCR 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 4K bytes, the most
typical and general program setup for the Reset and Interrupt Vector Addresses is:
0x002
2
0x002
4
0x002
6
0x002
8
0x002
A
0x002
C
0x002
E
0x003
0
;
0x003
2
0x003
3
0x003
4
0x003
5
0x003
6
0x003
7
Address Labels Code
0x0000
0x0001
0x0002
0x0003
0x0004
0x0005
;
.org 0x3802/0x7802
0x3804/0x7804
0x3806/0x7806
...
0x1C2C
Address Labels Code
.org 0x0002
0x0002
RESET
:
...
RESET: ldi
out
ldi
out
sei
<instr> xxx
jmp
jmp
...
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
ldi
out
ldi
out
sei
<ins
tr>
...
r16,high(RAMEND); Main program start
SPH,r16
r16,low(RAMEND)
SPL,r16
EXT_INT0
PCINT0
...
SPM_RDY
EXT_INT0
USI_OVF
ANA_COMP
ADC
EE_RDY
SPM_RDY
LCD_SOF
PCINT2
PCINT3
r16,
high(RAMEND)
SPH,r16
r16, low(RAMEND)
SPL,r16
xxx
...
Comments
ATmega329/3290/649/6490
Comments
; Set Stack Pointer to top of RAM
; Enable interrupts
; IRQ0 Handler
; PCINT0 Handler
;
; Store Program Memory Ready Handler
; IRQ0 Handler
; USI Overflow Handler
; Analog Comparator Handler
; ADC Conversion Complete
Handler
; EEPROM Ready Handler
; SPM Ready Handler
; LCD Start of Frame Handler
; PCINT2 Handler
; PCINT3 Handler
; Main program start
; Set Stack Pointer to top of
RAM
; Enable interrupts
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