ATMEGA128A-MN Atmel, ATMEGA128A-MN Datasheet - Page 61
![IC MCU AVR 128K FLASH 64VQFN](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA128A-MN
Manufacturer Part Number
ATMEGA128A-MN
Description
IC MCU AVR 128K FLASH 64VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA128A-MN
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K 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
64-TQFP
Core
AVR8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8151H–AVR–02/11
When the BOOTRST fuse is unprogrammed, 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:
$0014
$0016
$0018
$001A
$001C
$001E
$0020
$0022
$0024
$0026
$0028
$002A
$002C
$002E
$0030
$0032
$0034
$0036
$0038
$003A
$003C
$003E
$0040
$0042
$0044
;
$0046
$0047
$0048
$0049
$004A
$004B
Address LabelsCode
$0000
$0001
$0002
$0003
$0004
$0005
;
.org $F002
$F002
:.
RESET:ldir16, high(RAMEND); Main program start
RESET:ldi
:.
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
out
ldi
out
sei
<instr>
out
ldi
out
sei
<instr>
jmp
:.
TIM2_OVF
TIM1_CAPT ; Timer1 Capture Handler
TIM1_COMPA; Timer1 CompareA Handler
TIM1_COMPB; Timer1 CompareB Handler
TIM1_OVF
TIM0_COMP ; Timer0 Compare Handler
TIM0_OVF
SPI_STC
USART0_RXC; USART0 RX Complete Handler
USART0_DRE; USART0,UDR Empty Handler
USART0_TXC; USART0 TX Complete Handler
ADC
EE_RDY
ANA_COMP
TIM1_COMPC; Timer1 CompareC Handler
TIM3_CAPT ; Timer3 Capture Handler
TIM3_COMPA; Timer3 CompareA Handler
TIM3_COMPB; Timer3 CompareB Handler
TIM3_COMPC; Timer3 CompareC Handler
TIM3_OVF
USART1_RXC; USART1 RX Complete Handler
USART1_DRE; USART1,UDR Empty Handler
USART1_TXC; USART1 TX Complete Handler
TWI
SPM_RDY
SPH,r16
r16, low(RAMEND)
SPL,r16
r16,high(RAMEND); Main program start
SPH,r16
r16,low(RAMEND)
SPL,r16
EXT_INT0
:.
xxx
xxx
; Timer2 Overflow Handler
; Timer1 Overflow Handler
; Timer0 Overflow Handler
; SPI Transfer Complete Handler
; ADC Conversion Complete Handler
; EEPROM Ready Handler
; Analog Comparator Handler
; Timer3 Overflow Handler
; Two-wire Serial Interface Interrupt Handler
; SPM Ready Handler
; Set stack pointer to top of RAM
; Enable interrupts
Comments
; Set stack pointer to top of RAM
; Enable interrupts
; IRQ0 Handler
ATmega128A
61
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