ATMEGA161-8PC View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

ATMEGA161-8PC

8-bit Microcontroller with 16K Bytes of In-System Programmable Flash

Atmel Corporation 

Prev 21 22 23 24 25 26 27 28 29 30 Next

ATmega161(L)

Table 2. Reset and Interrupt Vectors (Continued)

Vector No. Program Address Source

16

$01e

UART0, UDRE

17

$020

UART1, UDRE

18

$022

UART0, TX

19

$024

UART1, TX

20

$026

EE_RDY

21

$028

ANA_COMP

Interrupt Definition

UART0 Data Register Empty

UART1 Data Register Empty

UART0, Tx Complete

UART1, Tx Complete

EEPROM Ready

Analog Comparator

The most typical and general program setup for the Reset and Interrupt Vector Addresses are:

Address

Labels

Code

Comments

$000

jmp

RESET

; Reset Handler

$002

jmp

EXT_INT0 ; IRQ0 Handler

$004

jmp

EXT_INT1 ; IRQ1 Handler

$006

jmp

EXT_INT2 ; IRQ2 Handler

$008

jmp

TIM2_COMP ; Timer2 Compare Handler

$00a

jmp

TIM2_OVF ; Timer2 Overflow Handler

$00c

jmp

TIM1_CAPT ; Timer1 Capture Handler

$00e

jmp

TIM1_COMPA ; Timer1 CompareA Handler

$010

jmp

TIM1_COMPB ; Timer1 CompareB Handler

$012

jmp

TIM1_OVF ; Timer1 Overflow Handler

$014

jmp

TIM0_COMP ; Timer0 Compare Handler

$016

jmp

TIM0_OVF ; Timer0 Overflow Handler

$018

jmp

SPI_STC; ; SPI Transfer Complete Handler

$01a

jmp

UART_RXC0 ; UART0 RX Complete Handler

$01c

jmp

UART_RXC1 ; UART1 RX Complete Handler

$01e

jmp

UART_DRE0 ; UDR0 Empty Handler

$020

jmp

UART_DRE1 ; UDR1 Empty Handler

$022

jmp

UART_TXC0 ; UART0 TX Complete Handler

$024

jmp

UART_TXC1 ; UART1 TX Complete Handler

$026

jmp

EE_RDY

; EEPROM Ready Handler

$028

jmp

ANA_COMP ; Analog Comparator Handler

;

$02a

MAIN:

ldi r16,high(RAMEND); Main program start

$02b

out SPH,r16

$02c

ldi r16,low(RAMEND)

$02d

out SPL,r16

$02e

<instr> xxx

…

…

…

…

23

Share Link: