AT90S8515 データシートの表示（PDF） - Atmel Corporation

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AT90S8515

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

Atmel Corporation 

Data Indirect with Post-

increment

The X-, Y-, or the Z-register is decremented before the operation. Operand address is

the decremented contents of the X-, Y-, or the Z-register.

Figure 16. Data Indirect Addressing with Post-increment

Constant Addressing Using

the LPM Instruction

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.

Figure 17. Code Memory Constant Addressing

15

10

Z-REGISTER

PROGRAM MEMORY

$000

$FFF

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

address (0 - 4K), the LSB selects low byte if cleared (LSB = 0) or high byte if set (LSB =

1).

16 AT90S8515

0841G–09/01

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