Datasheet

Address Labels Code Comments

$c03 ldi r16,low(RAMENSPL,r

16D)

$c04 out SPL,r16

$c05 sei ; Enable

interrupts

$c06 <instr> XXX

When the BOOTRST Fuse is programmed, the boot section size set to 2K bytes, and the IVSEL bit in the

GICR Register is set before any interrupts are enabled, the most typical and general program setup for

the Reset and Interrupt Vector Addresses is:

Address Labels Code Comments

;

.org $c00

$c00 rjmp RESET ; Reset handler

$c01 rjmp EXT_INT0 ; IRQ0 Handler

$c02 rjmp EXT_INT1 ; IRQ1 Handler

:. :. :.

$c12 rjmp SPM_RDY ; Store Program

Memory Ready

Handler

$c13 RESET: ldi r16,high(RAMEND) ; Main program

start

$c14 out SPH,r16 ; Set Stack

Pointer to top of

RAM

$c15 ldi r16,low(RAMEND)

$c16 out SPL,r16

$c17 sei ; Enable

interrupts

$c18 <instr> XXX