Rainbow-electronics AT90LS8535 Manual de usuario descargar pdf (Pagina 14)

14

AT90S/LS8535

1041H–11/01

Data Indirect with Pre-

decrement

Figure 15. Data Indirect Addressing with Pre-decrement

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.

Data Indirect with Post-

increment

Figure 16. Data Indirect Addressing with Post-increment

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

the LPM Instruction

Figure 17. Code Memory Constant Addressing

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).

Data Space

$0000

$025F

X, Y OR Z - REGISTER

015

-1

Data Space

$0000

$025F

X, Y OR Z - REGISTER

015

1

$FFF

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 126 127

Comentarios a estos manuales

Sin comentarios