ATmega128A Atmel Corporation, ATmega128A Datasheet - Page 61

• Manufacturer Part Number: ATmega128A
• Manufacturer: Atmel Corporation

Specifications of ATmega128A

• Flash (kbytes): 128 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 53
• Ext Interrupts: 8
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 2
• 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): 4
• Eeprom (bytes): 4096
• 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: 4
• Output Compare Channels: 8
• Input Capture Channels: 2
• Pwm Channels: 7
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

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