A000048 Arduino, A000048 Datasheet - Page 61

ATMEGA328 MCU IC W/ Arduino UNO Bootloader

A000048

Manufacturer Part Number
A000048
Description
ATMEGA328 MCU IC W/ Arduino UNO Bootloader
Manufacturer
Arduino
Series
-r
Datasheets

Specifications of A000048

Accessory Type
Pre-Programed IC
Features
Powered Via USB Connection, AC-to-DC Adapter, Power Jack, ICSP Header
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K 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
-
For Use With
ATmega328 Microcontrollers
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
8271C–AVR–08/10
Table 11-3.
Note:
The most typical and general program setup for the Reset and Interrupt Vector Addresses in
ATmega88A/88PA is:
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
BOOTRST
Address Labels Code
0x000
0x001
0x002
0x003
0x004
0x005
0x006
0x007
0X008
0x009
0x00A
0x00B
0x00C
0x00D
0x00E
0x00F
0x010
0x011
0x012
0x013
0x014
0x015
0x016
0x017
0x018
0x019
;
0x01ARESET:
0x01B
0x01C
0x01D
0x01E
0x01F
1
1
0
0
1. The Boot Reset Address is shown in
means unprogrammed while “0” means programmed.
Reset and Interrupt Vectors Placement in ATmega88A and ATmega88PA
IVSEL
0
1
0
1
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
rjmp
ldi
out
ldi
out
sei
<instr>
Reset Address
0x000
0x000
Boot Reset Address
Boot Reset Address
RESET
EXT_INT0
EXT_INT1
PCINT0
PCINT1
PCINT2
WDT
TIM2_COMPA
TIM2_COMPB
TIM2_OVF
TIM1_CAPT
TIM1_COMPA
TIM1_COMPB
TIM1_OVF
TIM0_COMPA
TIM0_COMPB
TIM0_OVF
SPI_STC
USART_RXC
USART_UDRE
USART_TXC
ADC
EE_RDY
ANA_COMP
TWI
SPM_RDY
r16, high(RAMEND); Main program start
SPH,r16
r16, low(RAMEND)
SPL,r16
xxx
Table 26-7 on page
Comments
; Reset Handler
; IRQ0 Handler
; IRQ1 Handler
; PCINT0 Handler
; PCINT1 Handler
; PCINT2 Handler
; Watchdog Timer Handler
; Timer2 Compare A Handler
; Timer2 Compare B Handler
; Timer2 Overflow Handler
; Timer1 Capture Handler
; Timer1 Compare A Handler
; Timer1 Compare B Handler
; Timer1 Overflow Handler
; Timer0 Compare A Handler
; Timer0 Compare B Handler
; Timer0 Overflow Handler
; SPI Transfer Complete Handler
; USART, RX Complete Handler
; USART, UDR Empty Handler
; USART, TX Complete Handler
; ADC Conversion Complete Handler
; EEPROM Ready Handler
; Analog Comparator Handler
; 2-wire Serial Interface Handler
; Store Program Memory Ready Handler
; Set Stack Pointer to top of RAM
; Enable interrupts
Interrupt Vectors Start Address
0x001
Boot Reset Address + 0x001
0x001
Boot Reset Address + 0x001
291. For the BOOTRST Fuse “1”
(1)
61

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