ATMEGA323 Просмотр технического описания (PDF) - Atmel Corporation

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производитель

ATMEGA323

8-bit Microcontroller with 32K Bytes of In-System Programmable Flash

Atmel Corporation 

Data Indirect with Post-

increment

Figure 17. Data Indirect Addressing With Post-increment

15

0

X, Y OR Z - REGISTER

Data Space

$0000

1

$085F

The X-, Y-, or the Z-register is incremented after the operation. Operand address is the

content of the X-, Y-, or the Z-register prior to incrementing.

Constant Addressing Using Figure 18. Code Memory Constant Addressing

the LPM and SPM Instructions

$3FFF

Constant byte address is specified by the Z-register contents. The 15 MSBs select word

address (0 - 16K). For LPM, the LSB selects Low Byte if cleared (LSB = 0) or High Byte

if set (LSB = 1). For SPM, the LSB should be cleared.

Indirect Program Addressing, Figure 19. Indirect Program Memory Addressing

IJMP and ICALL

$3FFF

Program execution continues at address contained by the Z-register (i.e., the PC is

loaded with the contents of the Z-register).

16 ATmega323(L)

1457G–AVR–09/03

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