ATMEGA644PV-10AUR Atmel, ATMEGA644PV-10AUR Datasheet - Page 64
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ATMEGA644PV-10AUR
Manufacturer Part Number
ATMEGA644PV-10AUR
Description
MCU AVR 64KB FLASH 10MHZ 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA164P-20AU.pdf
(439 pages)
Specifications of ATMEGA644PV-10AUR
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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9.2.1
8011O–AVR–07/10
Moving Interrupts Between Application and Boot Space
When the BOOTRST Fuse is programmed, the Boot section size set to 8 Kbytes 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:
The General Interrupt Control Register controls the placement of the Interrupt Vector table.
0x00004
...
0x00036
;
.org 0x1F000
0x1F000 RESET: ldi
0x1F001
0x1F002
0x1F003
0x1F004
0x1F005
Address Labels Code
;
.org 0x1F000
0x1F000
0x1F002
0x1F004
...
0x1F036
;
0x1F03E RESET: ldi
0x1F03F
0x1F040
0x1F041
0x1F042
0x1FO43
jmp
...
jmp
out
ldi
out
sei
<instr>
jmp
jmp
jmp
...
jmp
out
ldi
out
sei
<instr>
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
r16,low(RAMEND)
SPL,r16
xxx
xxx
; IRQ1 Handler
;
; SPM Ready Handler
; Set Stack Pointer to top of RAM
; Enable interrupts
Comments
; Reset handler
; IRQ0 Handler
; IRQ1 Handler
;
; SPM Ready Handler
; Set Stack Pointer to top of RAM
; Enable interrupts
ATmega164P/324P/644P
64
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