AT90S1200 Просмотр технического описания (PDF) - Atmel Corporation

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AT90S1200

8-Bit Microcontroller with 1K bytes In-System Programmable Flash

Atmel Corporation 

Program and Data

Addressing Modes

Register Direct, Single

Register Rd

AT90S1200

The AT90S1200 AVR RISC Microcontroller supports powerful and efficient addressing

modes. This section describes the different addressing modes supported in the

AT90S1200. In the figures, OP means the operation code part of the instruction word.

To simplify, not all figures show the exact location of the addressing bits.

Figure 6. Direct Single Register Addressing

Register Indirect

The operand is contained in register d (Rd).

Figure 7. Indirect Register Addressing

The register accessed is the one pointed to by the Z-register (R30).

Register Direct, Two Registers Figure 8. Direct Register Addressing, Two Registers

Rd and Rr

7

0838H–AVR–03/02

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