Constant addressing using the lpm instruction, Indirect program addressing, ijmp and icall, Attiny26(l) – Rainbow Electronics ATtiny26L User Manual
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ATtiny26(L)
1477B–AVR–04/02
The X-, Y-, or Z-register is incremented after the operation. Operand address is the con-
tent of the X-, Y-, or Z-register prior to incrementing.
Constant Addressing Using
the LPM Instruction
Figure 14. Code Memory Constant Addressing
Constant byte address is specified by the Z-register contents. The 15 MSBs select word
address (0 - 1K), the LSB selects low byte if cleared (LSB = 0) or high byte if set
(LSB = 1).
Indirect Program Addressing,
IJMP and ICALL
Figure 15. Indirect Program Memory Addressing
Program execution continues at address contained by the Z-register (i.e., the PC is
loaded with the contents of the Z-register).
$3FF
$000
PROGRAM MEMORY
$3FF
$000
PROGRAM MEMORY
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